CMT-Seminar
Joint seminar of the Timm and Vojta groups
Friday 14:50, BZW A120, unless otherwise noted in bold
Winter Semester 2022/23
| Date | Speaker | Topic |
|---|---|---|
| 14.10.2022 | QMA Retreat | |
| 21.10.2022 | Arnob Kumar Ghosh (IOP Bhubaneswar) | Dynamical construction of higher-order topological systems |
| 04.11.2022 | Patrick Lenggenhager (PSI Villigen & U Zürich) |
From a hyperbolic drum towards hyperbolic topological insulators |
| 18.11.2022 | Zhenjiu Wang (MPI-PKS) |
Quantum Monte Carlo simulation of skyrmion superconductivity |
| 29.11.2022 | Niccolò Francini (U Pisa) |
Abelian Higgs lattice models: gauge symmetry enlargement |
| 16.12.2022 | X-mas Party | |
| 06.01.2023 | Christos Kourris | Kondo screening and coherence on the Kagome lattice |
| 13.01.2023 | Goran Nakerst | Markov generators and their spectral properties |
| 17.01.2023 | Nils Caci (RWTH Aachen) |
Quantum Monte Carlo studies of frustrated Heisenberg antiferromagnets and quantum spin-nematic phase transitions |
| 20.01.2023 | Martin Eckstein (U Hamburg) |
Cavity quantum materials |
| 24.01.2023 | Viktor Könye (IFW Dresden) |
Anisotropic optics and gravitational lensing of tilted Weyl fermions |
| 27.01.2023 | Eric Andrade (U São Paulo) |
Local Fermi liquid and random singlet formation in highly disordered systems |
| 31.01.2023 | Pranay Patil (MPI-PKS) |
Weakly first-order quantum phase transition between spin nematic and valence bond crystal order in a square lattice SU(4) fermionic model |
| 03.02.2023 | Mateo Uldemolins (LPS Paris) |
Quasiparticle focusing of Shiba states in superconductors |
| 17.02.2023 | Juba Bouaziz (FZ Jülich) |
From magnetic frustration to novel spin textures and their magneto-transport signatures |
Summer Semester 2022
| Date | Speaker | Topic |
|---|---|---|
| 01.04.2022 (hybrid) |
Maximilian Kotz | Topological classification of open quantum systems |
| 08.04.2022 14:00 (virtual) |
Felix Mende | Torsion and pseudo-fields in Dirac matter |
| 06.05.2022 (hybrid) |
Elio König (MPI-FKF Stuttgart) |
Detecting and destroying quantum spin liquids with metallic leads |
| 20.05.2022 (virtual) |
Thomas Barthel (Duke U) |
Criticality and phase transitions in open quantum many-body systems |
| 27.05.2022 (virtual) |
Sophie Beck (Flatiron Institute) |
A DFT+DMFT perspective on correlated oxide interfaces |
| 31.05.2022 (hybrid) |
Santanu Dey |
Quantum-critical electrodynamics of Luttinger fermions |
| 03.06.2022 (hybrid) |
Zihong Liu (JMU Würzburg) |
Quantum Monte Carlo study of metallic and deconfined quantum criticality in Dirac systems |
| 17.06.2022 (hybrid) |
Julia Link | Hydrodynamic transport and unconventional superconductivity in Luttinger semimetals |
| 15.07.2022 (hybrid) |
Tom Barnowsky | Surface functionalization of non-van der Waals two-dimensional materials |
| 01.08.2022 (hybrid) |
Sergej Moroz (Karlstad U) |
Two-dimensional Ising gauge theory coupled to single-component fermion matter: Topological order, confinement and U(1) deconfined criticality |
Winter Semester 2021/22
| Date | Speaker | Topic |
|---|---|---|
| 15.10.2021 |
QMA School |
|
|
05.11.2021 |
Thomas Schmidt (U Luxemburg) |
Parafermions: topological states in interacting systems |
| 19.11.2021 (virtual) |
Ribhu Kaul (U Kentucky) |
Duality and domain wall dynamics in CoNb2O6 |
| 26.11.2021 (hybrid) |
Masud Haque | Eigenstate Thermalization, random matrices and (non)local operators in many-body systems |
| 03.12.2021 (hybrid) |
Suraj Hegde | Spectral topology, fermions and disorder in non-Hermitian systems |
| 10.12.2021 (virtual) |
Jeffrey Rau (U Windsor) |
Magnetoelectric generation of a Majorana-Fermi surface in Kitaev's honeycomb model |
| 07.01.2022 (hybrid) |
Jose Hoyos (U Sao Paulo/MPI-PKS) |
Dynamical Griffiths singularities |
| 11.01.2022 14:50 (virtual) |
Achim Rosch (U Köln) |
Dynamics of visons and thermal Hall effect in RuCl3 |
| 21.01.2022 (hybrid) |
Michael Rampp (KIT) |
Topologically enabled superconductivity |
| 28.01.2022 (hybrid) |
Lukas Janssen | SO(N) Majorana-Hubbard models |
| 04.02.2022 (virtual) |
Vitor Dantas (U Sao Paulo) |
Disorder, low-energy excitations, and topology in the Kitaev spin liquid |
| 04.03.2022 (hybrid) |
Mauricio Posner | Dynamics after a quench in inhomogeneous Weyl systems |
| 11.03.2022 10:00 (hybrid) |
Kitinan Pongsangangan (Utrecht U) |
Thermo-electric response in two-dimensional Dirac systems: the role of particle-hole pairs |
| 18.03.2022 (hybrid) |
Tom Drechsler | A mean-field description of quantum phase transitions in disordered Kondo-lattice systems |
| 29.03.2022 (hybrid) |
Stephan Rachel (U Melbourne) |
Doping a topological insulator: a promising strategy to find topological superconductivity? |
Summer Semester 2021
| Date | Speaker | Topic |
|---|---|---|
| 16.04.2021 (virtual) |
Felix Kunzmann | Tensor Network Methods for the Algebraic Bethe Ansatz |
| 20.04.2021 (virtual) |
Fabian Jakubczyk (U Bochum) |
Superconductivity in infinite-layer nickelates |
|
23.04.2021 |
Christos Kourris (U Oxford) |
Relaxation and adiabatic reversibility in isolated quantum many-body systems |
| 07.05.2021 (virtual) |
Michel Miranda | From disorder to order and back again |
|
21.05.2021 |
Charlotte Beneke | Divergence of the Grüneisen ratio at symmetry-enhanced first-order quantum phase transitions |
| 04.06.2021 (virtual) |
SFB 1143 Workshop | |
|
08.06.2021 |
Fabian Köhler | Strain-induced Landau levels in higher dimensions |
| 11.06.2021 (virtual) |
Wilhelm Krüger | Instability of gapless U(1) spin liquids with nested spinon Fermi pockets in two dimensions |
| 25.06.2021 (virtual) |
Jakob Böker (U Bochum) |
Phase sensitive probing of unconventional superconducting order and the nematic transition in the iron-based superconductor FeSe |
| 02.07.2021 (virtual) |
Carsten Honerkamp (RWTH Aachen) |
Quantifying the fragility of unprotected quadratic band crossing points |
| 09.07.2021 (virtual) |
Lukas Flöter | Gauge dependence of electronic single-particle states in strained graphene |
| 16.07.2021 (virtual) |
Andy Knoll | Symmetry classification of band touching points and lines in magnetic semimetals |
| 23.07.2021 (virtual) |
Pedro Cônsoli | Fluctuation-induced ferrimagnetism in sublattice-imbalanced antiferromagnets and application to SrCu2(BO3)2 under pressure |
| 06.08.2021 (virtual) |
Johannes Brinz | Random matrix theoretical considerations of chiral symmetric Lindblad superoperators |
Winter Semester 2020/21
| Date | Speaker | Topic |
|---|---|---|
| 30.10.2020 (hybrid) |
Alena Astakhova | Topologically protected interface states in HgTe structures |
| 06.11.2020 (hybrid) |
Steffen Sykora | Generalized diagonalization scheme for many-particle systems |
| 13.11.2020 (virtual) |
Ashley M. Cook (MPI-CPfS) |
Approaches for constructing topological phases of matter |
| 20.11.2020 (hybrid) |
Max Fornoville | Shastry-Sutherland model under uniaxial strain |
| 27.11.2020 (hybrid) |
Yizhi You |
Emergent fractons in elusive Bose metal: When IR theory blend with UV physics |
| 04.12.2020 (hybrid) |
Bernhard Frank (MPI-PKS) |
Thermodynamics and transport without quasiparticles: From Ising-nematic metals to the unitary Fermi gas |
| 11.12.2020 (virtual) |
Matthias Hübler (U Stuttgart) |
The Brownian gyrator as an example of a nanoscale heat engine |
| 15.01.2021 (virtual) |
Hossein Hosseinabadi (Sharif U, Iran) |
Topological superconductivity from magnetic fluctuations in heterostructures |
| 29.01.2021 (virtual) |
Andy Knoll | Negative longitudinal magnetoconductance at weak fields in Weyl semimetals |
| 05.02.2021 (virtual) |
David Moser |
Eliashberg theory for quantum critical points in metals |
| 12.02.2021 (virtual) |
Birte Geerds | Two-dimensional Ising model driven out of equilibrium by applying a voltage |
| 16.02.2021 (virtual) |
Sandeep Cranganore (Mumbai) |
Sugawara model with canonical spin and energy-momentum currents |
| 19.02.2021 (virtual) |
Clara Lapp | Majorana flat bands in nodal superconductors with spatial structure |
Summer Semester 2020
| Date | Speaker | Topic |
|---|---|---|
| 24.04.2020 (virtual) |
Carsten Timm | Superconductors with Fermi surfaces: Experimental consequences and Sr2RuO4 |
| 22.05.2020 (virtual) |
Steffen Sykora (IFW Dresden) |
Accessing Weyl point properties by the anomalous Nernst effect |
| 29.05.2020 (virtual) |
Bogusz Bujnowski (Bordeaux) |
Hetero structures between conventional superconductors and spin active materials: From the long range triplet Josephson effect to equilibrium spin currents |
| 19.06.2020 (virtual) |
Shouryya Ray | A soluble fermionic quantum critical point in 2+1 dimensions |
| 26.06.2020 (virtual) |
Toni Ehmcke | Three-dimensional quantum Hall physics in ZrTe5 |
| 03.07.2020 (virtual) |
Oguz Türker | Relativistic Abelian bosonization in three-dimensional Euclidean space: Geometric approach |
| 07.07.2020 (virtual) |
Christian Schmidt | Scattering at event horizon analogues in Weyl semimetals |
| 10.07.2020 (virtual) |
Sreejith Chulliparambil | Microscopic models for Kitaev's sixteenfold way |
| 17.07.2020 (virtual) |
Chris Koschenz | Variational generalized Hartree-Fock-Bogoliubov theory and spiral magnetic states in the 2D Hubbard model |
| 11.09.2020 (hybrid) |
Charlotte Bäcker | Spin rotation invariant Boltzmann equation for excitonic processes in organic semiconductors |
| 22.09.2020 (hybrid) |
Julia Link (Simon Fraser) |
Bogoliubov-Fermi surfaces in non-centrosymmetric multi-component superconductors |
Winter Semester 2019/20
| Date | Speaker | Topic |
|---|---|---|
| 01.10.2019 | Georgia Fragkopoulou (Utrecht) |
Berry phase effects in the Boltzmann equation of electronic systems |
| 04.10.2019 | Debanyan Chowdhury (Cornell) |
What is "strange" about non-Fermi liquid metals? |
| 15.10.2019 | Henri Menke (University of Otago) |
Effects of the normal-state bandstructure on the pairing in Sr2RuO4 |
| 18.10.2019 | Baibhab Ray | Semiclassical transport theory for Weyl semimetals and related systems |
|
25.10.2019 |
Igor Boettcher (Maryland) | Complex tensor order and Bogoliubov-Fermi surfaces in superconducting Rarita-Schwinger-Weyl semimetals |
| 01.11.2019 | Matthew Brooks (Konstanz) |
Spin Qubits in Two-Dimensional Semiconductors |
| 15.11.2019 | Alexander Zyuzin (Aalto University) |
Spin and valley wave collective modes in metals with population imbalance |
| 21.11.2019 14:00 MPI-PKS |
John Chalker (Oxford) |
Minimal models for chaotic quantum dynamics in spatially extended many-body systems |
| 22.11.2019 | Inti Sodemann (MPI-PKS) |
The Non-linear Hall Effect in Time-Reversal-Invariant Materials and The Cyclotron Resonance of Spin Liquids |
| 29.11.2019 | Andreas Sinner (Augsburg) |
Topological transition on anisotropic hexagonal lattices and effective phonon model for the quantum Hall transition |
| 03.12.2019 | Stefan Koch | Magnetic excitations in three-dimensional spin models for α-RuCl3 |
| 06.12.2019 | Fakher Assaad (Würzburg) |
Kondo nano-structures and lattices |
| 17.12.2019 | Eric Andrade (São Paulo) |
SU(4) Heisenberg model on the honeycomb and hyperhoneycomb lattices with exchange-frustrated perturbations |
| 20.12.2019 | Christmas party | |
| 10.01.2020 | Björn Sbierski (Berkeley) |
Spectrum-wide quantum criticality at the surface of class AIII topological phases: An “energy stack” of integer quantum Hall plateau transitions |
| 17.01.2020 | Oguz Türker | Semi-quantized quantum Hall states |
| 28.01.2020 | Linus Thümmel | Boltzmann theory for organic semiconductors |
| 31.01.2020 | Lukas Janssen | Dualities in condensed matter field theories |
| 07.02.2020 | Heike Eisenlohr | Quantum criticality near the Mott transition |
| 06.03.2020 | Shingo Kobayashi (RIKEN) | Majorana multipole response of topological superconductors |
SUMMER Semester 2019
| Date | Speaker | Topic |
|---|---|---|
| 05.04.2019 | Ganesh C. Paul (Bhubaneswar) |
Majorana nanowire with unconventional superconductivity and RKKY interaction in Borophene |
| 12.04.2019 |
Alejandro M. Lobos |
From topological band insulators to topological Kondo insulators in one dimension |
| 16.04.2019 | Tanmoy Das (Bangalore) |
A new superconducting mechanism |
| 26.04.2019 | Michel Panhans (TUD, cfaed) |
Excitation Spectra and Transport of Polarons and Excitons in Organic Semiconductors |
| 03.05.2019 | Gergő Roósz | Quantum relaxation and metastability of lattice bosons with cavity-induced long-range interactions |
| 10.05.2019 14:40 |
Urban Seifert | Optical excitation of magnons in an easy-plane antiferromagnet |
| 17.05.2019 | Markus Müller (PSI Villigen) |
Coherent oscillators, spectral hole-burning and emerging q-bits in rare-earth magnets |
| 24.05.2019 |
Maxim Breitkreiz |
Large contribution of Fermi arcs to the conductivity of Weyl metals |
| 28.05.2019 | Zheng-Xin Liu (Renmin U) |
Spin liquid phases in extended Kitaev model on the honeycomb lattice |
| 07.06.2019 | Workshop of GRK 1621 | |
| 21.06.2019 | Thomas Barthel (Duke U) |
Eigenstate entanglement: Crossover from the ground state to volume laws |
| 28.06.2019 |
Clara Lapp |
Experimental Consequences of Bogoliubov Fermi Surfaces in Superconductors Bulk transport properties of HgTe nanostructures |
| 02.07.2019 | Martin Hohenadler (Würzburg) |
Orthogonal metal in the Hubbard model with liberated slave spins |
| 05.07.2019 | Dmitry Bagrets (U Köln) |
Quantum criticality of granular SYK matter |
| 12.07.2019 | Aline Ramires (ICTP-SAIFR & MPI-PKS) |
Twisted Bilayer Graphene: A novel platform for the engineering of exotic electronic states |
Winter Semester 2018/19
| Date | Speaker | Topic |
|---|---|---|
| 16.10.2018 | Charlotte Beneke (LMU München) |
Effects of a transversal magnetic field on massive Dirac systems apart from Landau levels |
| 19.10.2018 | Henri Menke (U of Otago) |
Effects of spin-orbit coupling on a superconductor with Bogoliubov Fermi surfaces |
| 26.10.2018 |
Wei Li |
Exponential tensor renormalization group method and two temperature scales in the triangular lattice Heisenberg antiferromagnet |
| 09.11.2018 | Tim Kaltofen | RKKY interaction on the kagome lattice |
| 16.11.2018 | Kai Litzius (U Mainz) |
Drive and temperature dependence of skyrmion dynamics |
| 23.11.2018 | Shouryya Ray |
Dynamical generation of Dirac cones and quantum critical behavior in bilayer graphene |
| 30.11.2018 | Emilio Torres (U Köln) |
Non-Landau quantum criticality in Dirac systems: Emergent length scales and symmetries |
| 04.12.2018 | Mathias Scheurer (Harvard U) |
Gauge theories of fluctuating antiferromagnetism for the cuprate superconductors |
| 07.12.2018 | Frithjof Anders (TU Dortmund) |
RKKY interaction and quantum phase transition in two impurity models |
| 21.12.2018 | S. Claus (U North Pole) |
How to rock that christmas tree! |
| 18.01.2019 | Oriana Diessel (U Köln) |
Many-body instabilities in a minimal model for Moiré flatbands from functional RG |
| 01.02.2019 | Madelynn Nayga | Pseudo-Landau levels in strained antiferromagnetic magnons |
| 21.02.2019 14:00 MPI-PKS |
Fakher Assaad (Würzburg) |
Superconductivity from the Condensation of Skyrmions in a Quantum Spin-Hall Insulator |
|
19.03.2019 |
Wilhelm Krüger Paul Wunderlich |
Heisenberg-Kitaev model on the hyperhoneycomb lattice in an external field |
| 20.03.2019 14:50 BZW/A120 (jointly with MPI-PKS) |
Natalia Perkins (Minnesota) |
Evolution of intertwined orders in the Kitaev magnet β-Li2IrO3 |
SUMMER Semester 2018
| Date | Speaker | Topic |
| 06.04.2018 | Andy Knoll Toni Ehmcke |
Boltzmann theory for transport in Weyl semimetals Magnetic excitations in Weyl semimetals |
| 10.04.2018 | Janna Rückert | Interacting flat band Majorana modes at surfaces of non-centrosymmetric superconductors |
| 27.04.2018 | Bitan Roy (MPI-PKS) |
A journey through the world of spin-3/2 fermions |
| 04.05.2018 | Alexander Balatsky (Nordita) |
Odd frequency pairing and majoronics |
| 01.06.2018 | Tobias Meng | Unpaired Weyl nodes from long-ranged interactions: Fate of quantum anomalies |
| 08.06.2018 | Helmut Schultheiß (HZDR) |
Magnon transport in spin textures |
| 12.06.2018 | Alexander Chernyshev (UC Irvine) |
Topography, mimicry, and truality on a triangular lattice |
| 15.06.2018 14:40 |
Urban Seifert | Bilayer Kitaev models: Phase diagrams and novel phases |
| 29.06.2018 | Alexander Mook (Uni Halle) |
Topological magnon materials and transverse magnon transport |
| 06.07.2018 | Oleg Sushkov (UNSW Sydney) |
Nature of the spin liquid phase in lightly doped cuprate superconductors |
| 10.07.2018 | Alena Astakhova | Transport properties of superconducting structures based on HgTe quantum wells |
| 13.07.2018 | Sayandip Ghosh | Charge-spin response and collective excitations in Weyl Semimetals |
| 17.07.2018 | Moritz Schneider | Entanglement spreading in a harmonic chain |
| 20.07.2018 | Konstantinos Ladovrechis (IFW Dresden) |
Anomalous Floquet topological crystalline insulators |
| 21.09.2018 | Jens Bardarson (KTH Stockholm) |
Landau levels, Bardeen polynomials and Fermi arcs in Weyl semimetals: the who's who of the chiral anomaly |
| 28.09.2018 | Markus Drescher (KIT) |
Theory of inelastic tunneling spectroscopy in superconductors |
Winter Semester 2017/18
| Date | Speaker | Topic |
| 10.10.2017 | Falko Pientka (Harvard University) |
Transport phenomena of neutral excitations in interacting 2d systems |
| 13.10.2017 | Dominik Straßel (Uni Kaiserslautern) |
Phase transitions in fixed dimensions and in the vicinity of a dimensional crossover |
| 20.10.2017 |
Eugene Kogan |
Spin-anisotropic magnetic impurity in a Fermi gas: Integration of poor man’s scaling equations |
| 27.10.2017 | Alena Astakhova (Uni Würzburg) |
Band structure and transport properties of HgTe quantum wells |
| 03.11.2017 | Gergő Roósz (Budapest) |
Dynamics of one-dimensional quantum systems |
| 10.11.2017 | Lukas Janssen | A fermionic gauge theory for bosonic deconfined criticality |
| 01.12.2017 | Ipsita Mandal (MPI-PKS) |
Critical Fermi Surface: UV/IR mixing and Superconducting Instability |
| 08.12.2017 | Thomas Vojta (Missouri S&T) |
Quantum phase transitions and disorder: Griffiths singularities, infinite randomness, and smearing |
| 12.12.2017 | Bogusz Bujnowski (Donostia International Physics Center) |
Non-local transport properties of an excitonic insulator |
| 15.12.2017 | Eric Andrade (São Paulo) |
Cluster-glass phase in dirty XY pyrochlores |
| 05.01.2018 | Santanu Dey | Quenched bond disorder in non-collinear magnets |
| 12.01.2018 | Georg Börner | Bogoliubov Fermi tubes and surface states in multiband superconductors |
| 19.01.2018 | Hong-Hao Tu | Universal entropy of conformal critical theories on a Klein bottle |
| 26.01.2018 | Anton Zlotnikov (Krasnoyarsk) |
Majorana states and nontrivial topology in the coexistence phase of chiral d-wave superconductivity and noncollinear magnetism |
| 20.02.2018 | Christoph de Beule (Antwerpen) |
Confined quantum systems in topological insulator heterostructures |
| 23.02.2018 | Dennis Schubert (Hannover) |
The Hofstadter Problem and the functional Bethe ansatz |
SUMMER Semester 2017
| Date | Speaker | Topic |
| 07.04.2017 |
Shouryya Ray |
Magnetism and Charge Carrier Dynamics in Bilayer Iridates |
| 21.04.2017 | Michael Streif (Oxford) |
Measuring correlations of cold-atom systems using multiple quantum probes |
| 28.04.2017 | Heike Eisenlohr (Göttingen) |
Reduced Density-Matrix Functionals from Green's Functions |
|
05.05.2017 |
Victor Vakaryuk (APS Ridge) |
Physical Review B: An inside look |
| 12.05.2017 | Chris Koschenz | Mixed Magnetic Phases in Mean Field Theory |
| 19.05.2017 | Markus Garst | Symmetry breaking, slow relaxation dynamics, and topological defects at the field-induced helix reorientation in MnSi |
| 26.05.2017 | Stefan Rex (NTNU Trondheim) |
Magnetoelectric effects at a topological insulator surface |
| 02.06.2017 | Christoph Karrasch (FU Berlin) |
Transport in quasiperiodic interacting systems: from superdiffusion to subdiffusion |
| 16.06.2017 |
Ronny Thomale |
Topolectrical circuits |
| 23.06.2017 | Urban Seifert | Metals with Kitaev interactions |
| 07.07.2017 | Lukas Janssen | Heisenberg-Kitaev model in a magnetic field: Spin canting, metamagnetism, and vortex crystals |
| 14.07.2017 | Tobias Meng |
The gravity of Weyl |
| 11.08.2017 | Wilhelm Krüger | Magneto-Leitfähigkeit von Weyl-Halbmetallen |
| 25.09.2017 | Oguz Türker (TU München) | Topological nodal surface metals |
|
05.09.2017 |
Debanjan Chowdhury (MIT) |
Mixed-valence insulators with neutral Fermi surfaces |
| 15.09.2017 | Konstantin Nestmann | Zeitlokale Mastergleichung mit Kohärenzen zu beliebiger Ordnung: Reihenentwicklungen und Konvergenz |
| 22.09.2017 |
Oleg Tretiakov |
Skyrmions and Other Dzyaloshinskii-Moriya Spin Textures |
Winter Semester 2016/17
| Date | Speaker | Topic |
| 14.10.2016 |
Andreas Eberlein |
Transport at the Ising-nematic quantum critical point in two-dimensional metals |
| 28.10.2016 |
Björn Trauzettel |
Exotic physics at the quantum spin Hall edge |
| 04.11.2016 | Carsten Timm | Inflated nodes in multiband superconductors |
| 11.11.2016 | Matthias Punk (LMU München) |
Spin liquid phases and transitions in Heisenberg-Kitaev models on the triangular lattice |
| 18.11.2016 | Markus Heyl (MPI-PKS) |
Dynamical Quantum Phase Transitions: Scaling and universality |
| 25.11.2016 |
Michael Scherer |
Kekulé quantum criticality: fermion induced & gauge-field assisted |
|
06.12.2016 |
Philip Brydon (Univ. of Otago) |
Cooper pairing beyond singlet and triplet |
| 09.12.2016 |
Raphael Goll |
Phase Segregation in Two Dimensional Binary Particle Mixtures |
| 16.12.2016 | X-mas party | |
|
17.01.2017 |
Matthias Vojta | Dimensional reduction in frustrated critical antiferromagnets |
| 27.01.2017 | Laura Köhler | Topological domain walls and Landau-Peierls instability in helimagnets |
|
03.02.2017 |
Junichi Iwasaki (Univ. of Tokyo) |
Deformation of Skyrmion Crystal under Strain |
| 17.02.2017 | Jan Wichmann | Expanding many-body Green functions using Chebyshev polynomials |
| 03.03.2017 | Fabian Köhler | Weyl-Semimetalle mit gekrümmten Oberflächen |
| 07.03.2017 | Madelynn Nayga (Trieste) |
Green's functions and energy eigenvalues in space-fractional quantum systems with Dirac delta perturbation |
Summer Semester 2016
| Date | Speaker | Topic |
|
01.04.2016 |
Urban Seifert (Cambridge, UK) |
Persisting spin correlations in the central spin model |
|
08.04.2016 |
Mike Zhitomirksy (Grenoble) |
Order from quenched disorder: Impurities in frustrated magnets |
| 15.04.2016 | Carsten Timm | Flat bands at surfaces of noncentrosymmetric superconductors and their instabilities |
|
19.04.2016 |
Alexander L. Chernyshev (UC Irvine) |
Quantum order-by-disorder and excitations in kagome-lattice magnets |
| 22.04.2016 | Markus Garst | Mott criticality in the organic charge-transfer salts \kappa-(BEDT-TTF)2X |
| 13.05.2016 | Sebastian Wolf (Bayreuth) | Inter-type superconductivity, shallow bands and exotic vortex configurations |
| 20.05.2016 | Santanu Dey (Mumbai) |
Instabilities of repulsive fermions in a biased bilayer honeycomb lattice |
| 27.05.2016 | --- | GRK workshop |
| 03.06.2016 | Dirk Morr (Chicago) |
Non-equilibrium Transport in Topological Superconductors |
| 10.06.2016 | Lukas Janssen | Spontaneous breaking of Lorentz symmetry in QED3 |
| 24.06.2016 | Stephan Rachel | Breaking Bad in the Kitaev-Heisenberg model |
|
28.06.2016 |
Harley Scammell (Sydney) & |
Quantum criticality and asymptotic freedom of magnons in TlCuCl3 & Bose-Kondo problem in a 3D quantum critical magnet |
| 08.07.2016 | Angelo Pidatella | Thermal transport in a two-dimensional Z2 spin liquid |
|
12.07.2016 |
Chris Koeschenz & |
GRK-Seminar |
| 15.07.2016 | Sebastian Riese | Constructing Topological Phases in 4D |
| 09.08.2016 | Tyler Hewitt (Kent, UK) |
Low-dimensional quantum magnetism of anisotropic Heisenberg models |
|
28.09.2016 |
Ankita Bhattacharya (University of Hyderabad) |
Scattering from Quantum scatterers |
| 30.09.2016 | Ilja Göthel | Topological phases on the honeycomb lattice and their local detection |
Winter Semester 2015/16
| Date | Speaker | Topic |
|---|---|---|
| 6.10.2015 | Philipp Weiß (KIT) | Interference of quantum critical excitations and soft diffusive modes in a disordered antiferromagnetic metal |
| 16.10.2015 | Stefan Rex (Norwegian University of Science and Technology) |
Coulomb interaction in topological insulator-ferromagnet interfaces |
| 23.10.2015 | Angelo Pidatella (Catania) |
Ab initio study of defect-induced magnetism in graphene |
| 30.10.2015 | Kevin Seja | Transport through nanostructures and the time-convolutionless master equation |
| 03.11.2015 | Eric Andrade (Sao Paulo) |
Magnetic moments and non-Fermi liquid behavior in quasicrystals |
| 13.11.2015 | Gediminas Kirsanskas (Lund University) |
Yu-Shiba-Rusinov states in phase-biased superconductor-quantum dot-superconductor junctions |
| 20.11.2015 | Markus Heyl (TU München) | Measuring multipartite entanglement via dynamic susceptibilities |
| 27.11.2015 | Tobias Meng | Coupled-wire constructions: New insights into the physics of interacting topological systems in two and three dimension (and beyond) |
| 11.12.2015 | Matthias Vojta | Kondo impurities in the Kitaev spin liquid |
| 18.12.2015 18:00 |
X-mas party | --- |
| 08.01.2016 | --- | SFB winter workshop |
| 22.01.2016 | Alexander Lau (IFW Dresden) |
Topological Edge States with Zero Hall Conductivity in a Dimerized Hofstadter Model |
| 26.01.2016 | Jyotirmoy Roy (Mumbai) |
Study of strongly correlated materials using two-site dynamical mean-field theory |
| 29.01.2016 | Martin Thuemmler | Bachelor talk |
| 05.02.2016 | Florian Rasch | Excitation spectra of strongly disordered Heisenberg spin chains |
| 18.02.2016 13:00 |
Silas Flöter | Bachelor talk |
| 01.03.2016 16:00 |
Christoph Berke | Mean-field phase diagram for magnetic order on the pyrochlore lattice |
Summer Semester 2015
| Date | Speaker | Topic |
|---|---|---|
| 17.04.2015 | Mark Steudtner | Mean-field phases of the Kagome Kondo-Heisenberg model |
| 12.05.2015 | Stephan Rachel | Topological Mott Insulators |
| 02.06.2015 | Philipp Strack (Uni Köln) |
New strange metal at the onset of FFLO inhomogeneous superconductivity in two dimensions |
| 12.06.2015 | --- | SFB spring workshop |
| 19.06.2015 | Andrey Bolotnikov (Uni Düsseldorf) |
Current-induced forces in graphene nanostructures |
| 26.06.2015 | Kirill Shtengel (UC Riverside) |
Anyonics: Designing exotic circuitry with non-Abelian anyons |
| 07.07.2015 | Jyotisman Sahoo (Bhubaneswar) | Heisenberg Antiferromagnetic interactions on a spin-1/2 breathing pyrochlore lattice |
| 10.07.2015 15:15 |
Balazs Gulacsi (Budapest) | From Floquet to Dicke: Quantum spin-Hall insulator in quantized electromagnetic field |
| 17.07.2015 | Sayandip Ghosh (Indian Institute of Technology Kanpur) |
Electronic structure, spin excitations, and orbital ordering in a three-orbital model for iron pnictides |
| 21.07.2015 | Tim Ludwig | Transport and order in a charge-charge-interacting monolayer |
| 24.07.2015 | Eugen Wolf | Mobile vacancy in non-collinear magnets |
Winter Semester 2014/15
| Date | Speaker | Topic |
|---|---|---|
| 12.09.2014 13:00 |
Florian Gerhardt | Bachelor Talk |
| 14.10.2014 | Manuel Laubach (Würzburg) | Nonmagnetic insulators in hexagonal lattice models |
| 17.10.2014 | Matthias Vojta | Theory of heavy fermions: Problem (un)solved? |
| 04.11.2014 | Adolfo G. Grushin (MPI-PKS) | Stability of Chern and Fractional Chern insulators |
| 07.11.2014 | Alexia Rod | Spin texture of generic helical edge states |
| 14.11.2014 | Oleksiy Kashuba | Topological Kondo Effect in Transport through a Superconducting Wire with Multiple Majorana End States |
| 21.11.2014 | Alexei Vagov (Bayreuth) |
Multi-band superconductors: between the types I and II |
| 28.11.2014 | Tim Ludwig | Electronic transport in 2d charge-charge interacting monolayers |
| 05.12.2014 | Lars Fritz (Utrecht) |
Frustrated spins on the Swedenborgite lattice: spin liquids, order-by-disorder, and disorder-by-disorder |
| 18.12.2014 | X-mas party | --- |
| 09.01.2015 | Dmitri Efremov (IFW Dresden) |
Time-Reversal Broken Chiral Superconducting Phase Driven by Electronic Correlations in a Single TiSe2 Layer |
| 16.01.2015 | --- | SFB Kick-off meeting |
| 30.01.2015 | Jan-Erik Wichmann | Bachelor talk |
| 06.02.2015 | Andre Fischer (IFW Dresden) |
Spin Density Waves and Superconductivity in Triangular Lattices at Van Hove Filling |
| 27.02.2015 | Konstantin Nestmann | Bachelor talk |
| 06.03.2015 | Jongbae Hong (POSTECH and APCTP, Pohang, Korea) |
Universal tunnelling conductance formula for strongly correlated materials |
| 23.03.2015 | Sebastian Huber (ETH Zürich) | Observation of phononic helical edge states in a mechanical `topological insulator' |
| 24.03.2015 | Lukas Janssen (Simon Fraser University) | Quadratic Band Touching Points in 3D: NFL phase vs. topological Mott instability |
Summer Semester 2014
| Date | Speaker | Topic |
|---|---|---|
| 26.03.2014 | Johannes Mierau | Behaviour of an antiferromagnetic dimer-monomer-chain in a magnetic field |
| 11.04.2014 | Pier Paolo Baruselli | Kondo holes in topological Kondo insulators |
| 06.05.2014, 13:00 | Johannes Reuther (CALTECH) | A functional renormalization-group approach for frustrated quantum spin-systems |
| 06.05.2014, 14:50 | Philip Brydon (Univ. of Maryland) |
Odd-parity superconductivity from phonons |
| 16.05.2014 | Patrik Recher (TU Braunschweig) | Detection of spin entanglement via spin-charge separation in crossed Tomonaga-Luttinger liquids |
| 06.06.2014 | Tobias Meng (University of Basel) | Fractionalizing a quantum wire |
| 27.06.2014 | Martin Langer | Bachelor talk |
| 02.07.2014 WIL/C104 |
Salvatore Croce (Aquila) | Effects of electron-hole asymmetry near the Dirac point in graphene |
| 04.07.2014 | Andisheh Khedri (Uni Bonn) | Equilibrium Renormalization Group for Quantum Dots in a Photon Field |
| 18.07.2014 | Subhro Bhattacharjee (MPI-PKS) | Weak and strong coupling topological phases in Hyperhoneycomb Iridates |
Winter Semester 2013/2014
| Date | Speaker | Topic |
|---|---|---|
| 12.09.2013 15:00 (MPI-PKS) |
Peter Young (UC Santa Cruz) |
Is there a de Almeida-Thouless line in finite-dimensional spin glasses? (and why you should care) |
| 18.10.2013 | Alexia Rod | Commensurate and incommensurate fillings of the extended Bose-Hubbard model |
| 25.10.2013 | Oleksiy Kashuba | Coherent dynamics and quenches in dissipative quantum systems |
| 08.11.2013 | Paolo Michetti | Story of a HgTe double quantum well - is two better than one? |
| 15.11.2013 | Darshan Joshi | 1/d expansion for coupled-dimer magnets |
| 29.11.2013 | Jacob Schmiedt | Superconducting pairing in presence of a spin-density-wave for iron pnictides |
| 03.12.2013 | Thomas L. Schmidt (Basel) |
Transport properties of helical one-dimensional systems |
| 10.12.2013 | Benedikt Bruognolo (LMU München) |
Critical phenomena of the two-channel spin-boson model |
| 20.12.2013 | X-mas party | |
| 17.01.2014 | Alexander Lau | Topological surface states in paramagnetic, antiferromagnetic, and superconducting iron pnictides |
| 28.01.2014 | Stefan Jürgens | Plasmons due to the interplay of Dirac and Schrödinger fermions |
| 31.01.2014 | Fabian Zschocke | Bond randomness in Kitaev's honeycomb model |
| 21.02.2014 | Sebastian Riese | Bachelor talk |
Summer Semester 2013
| Date | Speaker | Topic |
|---|---|---|
| 12.04.2013 | Eric Andrade | Competing Magnetic Anisotropies and Multicriticality: The case of Co-doped YbRh2Si2 |
| 19.04.2013 | Mihailo Cubrovic (Leiden) |
Toward the phase diagram of holographic fermions |
| 03.05.2013 | Hong-Hao Tu (MPI Garching) |
Infinite Matrix Product States from Conformal Field Theory |
| 10.05.2013 | Matthias Vojta | Heavy-Fermion Superconductivity From Local Spin Fluctuations |
| 17.05.2013 | R. Ganesh (IFW) |
Frustrated magnetism on the honeycomb lattice |
| 31.05.2013 | Junya Otsuki (Sendai/Augsburg) |
Dynamical mean-field approach to non-local exchange interactions |
| 11.06.2013 CHE/182 |
Philipp Gegenwart (Göttingen) |
Search for novel topological states in Iridates (Graduiertenkolleg seminar) |
| 13.06.2013 | Matthias Gohlke (Potsdam) |
1D model for nonlinear phonon propagation in ferroelectrics |
| 14.06.2013 | Michael Potthoff (Hamburg) |
The Kondo-vs.-RKKY quantum box |
| 20.06.2013 | Bogdan Galilo (Amsterdam) |
Weyl fermions in Semimetals |
| 21.06.2013 | Maxim Breitkreiz | Negative transport times due to anisotropic interband scattering |
| 28.06.2013 | Kevin Seja / Paul Timme / Mark Steudtner |
Bachelor talks |
| 16.07.2013 | Ronny Thomale (Lausanne/Würzburg) |
The quest of the Kagome Hubbard model |
Winter Semester 2012/2013
| Date | Speaker | Topic |
|---|---|---|
| 19.10.2012 | Markus Heyl | Dynamical quantum phase transitions in the Ising model |
| 26.10.2012 | Bjorn Zocher (Leipzig) |
Crossed Andreev reflection and noise through Majorana bound states |
| 02.11.2012 | Jacob A. Schmiedt | Co-existing and competing orders in the pnictides |
| 09.11.2012 | Eugen Wolf | Phonon drag thermopower in graphene |
| 16.11.2012 | Arnab Sen (MPI-PKS) | Spin textures and their interactions in Coulomb spin liquids |
| 30.11.2012 | Stephan Rachel | Broken axial spin symmetry in topological insulators |
| 07.12.2012 | Ioannis Rousochatzakis (IFW) |
Quantum magnetism on the Cairo pentagonal lattice |
| 18.01.2013 | Mikhail Pletyukhov (RWTH Aachen) |
Real-time renormalization group studies of quantum impurity models |
| 25.01.2013 | Peter Schmitteckert (KIT) |
Electronic transport through impurities: finite size vs. finite time effects |
| 29.01.2013 | Peter P. Orth (KIT) |
Emergent critical phase and Ricci flow in a 2D frustrated Heisenberg model |
| 01.02.2013 | Philip Brydon | Zero-energy flat bands in noncentrosymmetric superconductors |
| 08.02.2013 | Martin Zwiebler | Kondo effect in disordered graphene |
Summer Semester 2012
| Date | Speaker | Topic |
|---|---|---|
| 10.04.2012 | Robert Bamler (LMU München) |
Simulation of Quantum Lattice Systems with the Tensor Renormalization Group |
| 13.04.2012 | Thomas Brumme | Spin-dependent electron transport in helical structures |
| 20.04.2012 | Pier Paolo Baruselli (Trieste) |
Kondo anomalies from first principles |
| 27.04.2012 | Georges Bouzerar (Institut Néel) |
Unified picture and nanoscale inhomogeneities effects in diluted magnetic semiconductors |
| 04.05.2012 | Eric Andrade | Magnetic excitations in disordered striped antiferromagnetic insulators |
| 15.05.2012 (SLUB/15.00) |
Führung | Der Dresdner Maya-Codex |
| 25.05.2012 | Ronny Thomale (Stanford) |
A Kohn Luttinger perspective on topological superconductivity |
| 08.06.2012 | Guichao Hu | Rectification in diblock co-oligomer diodes |
| 12.06.2012 | Jan Kunes (Prague) |
Electronic correlations in the vicinity of spin state transitions |
| 15.06.2012 | Darshan Joshi (IISER Pune) |
Revisiting resistive transitions in one-dimensional superconductors with exact solutions |
| 22.06.2012 | Johannes Knolle (MPI-PKS) |
Dynamic of Spin Correlations in an Exactly Solvable Spin Liquid |
| 06.07.2012 | Fabian Zschocke (Hamburg) |
Néel to valence bond solid order in two dimensional quantum system |
| 07.08.2012 | George B. Martins (Oakland) |
Electrostatic control over polarized currents through spin-orbital Kondo effect |
Winter Semester 2011/2012
| Date | Speaker | Topic |
|---|---|---|
| 21.10.2011 | Lars Fritz (Köln) |
Topological insulators in magnetic fields : Quantum Hall effect and edge channels with non-quantized θ-term |
| 28.10.2011 | Carsten Timm | Random matrix master equations |
| 04.11.2011 | Stefan Lange | Random matrix theory for the Lindbald master equation |
| 11.11.2011 | Matthias Vojta | Cubic interactions and quantum criticality in dimerized antiferromagnets |
| 15.11.2011 PHY/D016 | Indranil Paul (Institut Néel, CNRS) |
Spin-lattice coupling effects in the iron based superconductors |
| 18.11.2011 | Agnieszka Donabidowicz-Kolkowska |
Transport through the molecular junction : Master equation approach |
| 25.11.2011 | Alexander Wollny | Single vacancy in non-collinear antiferromagnets |
| 06.12.2011 | Stefanos Kourtis (IFW) |
Fractional quantum Hall states in lattice models and their realization due to multiple orbitals |
| 04.01.2012 16:40 |
Robert Biele (San Sebastian) |
Stochastic Thermal Relaxation of Open Quantum Systems |
| 06.01.2012 | Daniel Scherer (Jena) |
Low-Dimensional Chiral Physics: Gross-Neveu Universality and Magnetic Catalysis |
| 13.01.2012 | Sabine Andergassen (RWTH Aachen) |
Interplay of Coulomb interaction and spin-orbit effects in multi-level quantum dots |
| 20.01.2012 | Philip Brydon | Topology and edge states of non-centrosymmetric superconductors |
| 27.01.2012 | Imke Schneider | Spectral properties in non-linear Luttinger liquids |
| 03.02.2012 | V. K. Dugaev (MLU Halle) |
Spin Hall effect and spin pumping in two-dimensional systems with random Rashba spin-orbit interaction |
| 07.02.2012 | Yasir Iqbal (Toulouse) |
Competing spin-disordered phases of spin-1/2 Heisenberg antiferromagnet on the Kagome lattice |
| 14.02.2012 14:00 MPI-PKS |
Andrew G. Green (UC London) |
Quantum order-by-disorder near criticality and the secret of partial order in MnSi |
| 17.02.2012 | Juon Osorio (Vienna) |
Transport properties of a Rashba metal |
Summer Semester 2011
| Date | Speaker | Topic |
|---|---|---|
| 08.04.2011 | Jacob Schmiedt | Doping dependence of antiferromagnetism in the pnictides |
| 15.04.2011 | Andreas Schnyder (MPI Stuttgart) | Gapless topological phase in semi-metals and superconductors |
| 26.04.2011 | François Crépin (Université Paris Sud) | Bose-Fermi mixtures in a 1D disordered potential |
| 29.04.2011 | Eric Andrade | Impurity driven order in gapped magnets |
| 13.05.2011 | Philip Brydon | Unconventional Josephson effects in triplet superconductor-ferromagnet junctions |
| 20.05.2011 | Imke Schneider | Excitation spectra of antiferromagnetic molecular nanomagnets |
| 27.05.2011 | Tim Ludwig | Interference in transport through benzene molecules |
| 24.06.2011 | Frank Pollmann | Topological phases in 1D: an entanglement point of view |
| 01.07.2011 | B. Sriram Shastry (UC Santa Cruz) |
Extreme Electronic Correlations and Photoemission in High-Tc Systems |
| 08.07.2011 | Thomas Brumme | On some properties of molecules on surfaces |
| 12.07.2011 | Zohar Nussinov (St. Louis) |
Orbital orders and orbital-order-driven quantum criticality |
| 15.07.2011 | Adel Benlagra | Finite-temperature quasiparticle interference in Kondo lattices |
| 09.08.2011 | Gregor Hannappel (St. Andrews) |
The Role of Fluctuations Near a Charge Density Wave Quantum Critical Point |
Winter Semester 2010/2011
| Date | Speaker | Topic |
|---|---|---|
| 15.10.2010 | Philip Brydon | Magnetism and Superconductivity in LiFeAs |
| 22.10.2010 | Matthias Vojta | Why cuprates are exciting |
| 29.10.2010 | Carsten Timm | Molecular Spintronics and the Master Equation |
| 05.11.2010 | Imke Schneider | The local density of states of interacting fermions in one dimension |
| 12.11.2010 | Jong Han | Quantum Simulation of Strongly Correlated Quantum Dots Out of Equilibrium |
| 19.11.2010 | Eric Andrade | Quantum ripples in strongly correlated metals |
| 23.11.2010 | Konrad Müller | Ferromagnetism in wide-gap magnetic semiconductors |
| 26.11.2010 | Jaromir Krzyszczak | Is there a possibility to explain inhomogeneities observed in superconductors by the means of the Boson-Fermion model? |
| 03.12.2010 | Javier Francisco Nossa Marquez | Spin-electric coupling in the Cu_3 single-molecule magnet |
| 10.12.2010 | Bogusz Bujnowski | Triplet Josephson Junction with a finite magnetic barrier |
| 17.12.2010 | Darko Tanaskovic | The cluster DMFT solution of the Anderson lattice model |
| 14.01.2011 | Björn Zocher (Uni Leipzig) |
Excitonic Spin-Density Waves in Semi Metals |
| 21.01.2011 | Adel Benlagra | Low temperature scales in a Kondo lattice with two inequivalent local moments |