Publikationen Roland Ketzmerick
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Quantum Birthmarks: Ergodicity Breaking Beyond Scarring
Anton M. Graf, Saul Atwood, Mingxuan Xiao, Roland Ketzmerick, Eric J. Heller, and J. Keski-Rahkonen
Phys. Rev. X 16, 031063 (2026), arXiv:2412.02982v2 [quant-ph] -
Left-Right Husimi Representation of Chaotic Resonance States: Invariance and Factorization
F. Lorenz, J.-R. Schmidt, and R. Ketzmerick
New J. Phys. 27, 114517 (2025), arXiv:2507.10431 [nlin.CD] -
Semiclassical limit of resonance states in chaotic scattering
R. Ketzmerick, F. Lorenz, and J.-R. Schmidt
Phys. Rev. Lett. 134, 020404 (2025), arXiv:2408.17088 [nlin.CD] - Quantum transport through partial barriers in higher-dimensional systems
J. Stöber, A. Bäcker, and R. Ketzmerick
Phys. Rev. Lett. 132, 047201 (2024), arXiv:2308.01162 [nlin.CD] - Resonance states of the three-disk scattering system
J. R. Schmidt and R. Ketzmerick
New J. Phys. 25, 123034 (2023), arXiv:2308.12783 [nlin.CD] - Classical drift in the Arnold web induces quantum delocalization transition
J. R. Schmidt, A. Bäcker, and R. Ketzmerick
Phys. Rev. Lett. 131, 187201 (2023), arXiv:2307.06717 [nlin.CD] -
Partial barriers to chaotic transport in 4D symplectic maps
M. Firmbach, A. Bäcker, and R. Ketzmerick
Chaos 33, 013125 (2023), arXiv:2210.09863v1 [nlin.CD] - Chaotic resonance modes in dielectric cavities: Product of conditionally invariant measure and universal fluctuations
Roland Ketzmerick, Konstantin Clauß, Felix Fritzsch, and Arnd BäckerPhys. Rev. Lett. 129, 193901 (2022), arXiv:2203.09752v1 [physics.optics]
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Creating triple-NOON states with ultracold atoms via chaos-assisted tunnelling
G. Vanhaele, A. Bäcker, R. Ketzmerick, and P. Schlagheck
Phys. Rev. A 106, L011301 (2022), arXiv:2202.05589v1 [cond-mat.quant-gas] -
Local random vector model for semiclassical fractal structure of chaotic resonance states
K. Clauß and R. Ketzmerick
J. Phys. A: Math. Theor. 55, 204006 (2022), arXiv:2112.12626v2 [nlin.CD] -
Universal intensity statistics of multifractal resonance states
K. Clauß, F. Kunzmann, A. Bäcker, and R. Ketzmerick
Phys. Rev. E 103, 042204 (2021), arXiv:2012.02541v2 [nlin.CD] -
Structure of resonance eigenfunctions for chaotic systems with partial escape
K. Clauß, E. G. Altmann A. Bäcker, and R. Ketzmerick -
Resonance-assisted tunneling in deformed optical microdisks with a mixed phase space
F. Fritzsch, R. Ketzmerick, and A. Bäcker
Phys. Rev. E 100, 042219 (2019), arXiv:1907.06900 [physics.optics] -
Resonance-Assisted Tunneling in 4D Normal-Form Hamiltonians
M. Firmbach, F. Fritzsch, R. Ketzmerick, and A. Bäcker -
Unified theory for excited-state, fragmented, and equilibriumlike Bose
condensation in pumped photonic many-body systems
D. Vorberg, R. Ketzmerick, and A. Eckardt
Phys. Rev. A 97, 063621 (2018), arXiv:1803.08866 [cond-mat.str-el] -
Three-dimensional billiards: Visualization of regular structures and trapping of chaotic trajectories
M. Firmbach, S. Lange, R. Ketzmerick, and A. Bäcker
Phys. Rev. E 98, 022214 (2018), arXiv:1805.06823 [nlin.CD], Videos
- Resonance eigenfunction hypothesis for chaotic systems
K. Clauß, M. J. Körber, A. Bäcker, and R. Ketzmerick
Phys. Rev. Lett. 121, 074101 (2018), arXiv:1803.02631 [nlin.CD] -
On the number of Bose-selected modes in driven-dissipative ideal Bose gases
A. Schnell, R. Ketzmerick, and A. EckardtPhys. Rev. E 97, 032136 (2018), arXiv:1802.04088 [cond-mat.quant-gas]
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High-temperature nonequilibrium Bose condensation induced by a hot needle
A. Schnell, D. Vorberg, R. Ketzmerick, and A. Eckardt
Phys. Rev. Lett. 119, 140602 (2017), arXiv:1705.06692 [cond-mat.quant-gas] -
Pump-power-driven mode switching in a microcavity device and its relation to Bose-Einstein condensation
H. A. M. Leymann, D. Vorberg, T. Lettau, C. Hopfmann, C. Schneider, M. Kamp, S. Höfling, R. Ketzmerick, J. Wiersig, S. Reitzenstein, and A. Eckardt
Phys. Rev. X 7, 021045 (2017), arXiv:1612.04312 [physics.optics] - Complex-path prediction of resonance-assisted tunneling in mixed systems
F. Fritzsch, A. Bäcker, R. Ketzmerick, and N. MertigPhys. Rev. E 95, 020202(R) (2017), arXiv:1609.09276 [nlin.CD]
- Experimental observation of the Poincaré-Birkhoff scenario in a driven many-body quantum system
J. Tomkovič, W. Muessel, H. Strobel, S. Löck, P. Schlagheck, R. Ketzmerick, and M. K. Oberthaler
Phys. Rev. A 95, 011602(R) (2017), arXiv:1509.01809 [quant-ph]
Editors' Suggestion and featured in Physics (APS), Synopsis, January 12, 2017 - Perturbation-free prediction of resonance-assisted tunneling in mixed regular--chaotic systems
N. Mertig, J. Kullig, C. Löbner, A. Bäcker, and R. Ketzmerick
Phys. Rev. E 94, 062220 (2016), arXiv:1607.06477 [nlin.CD] - What is the mechanism of power-law distributed Poincaré recurrences in higher-dimensional systems?
S. Lange, A. Bäcker, and R. Ketzmerick
EPL 116, 30002 (2016), arXiv:1609.07977 [nlin.CD] Videos - Bifurcations of families of 1D-tori in 4D symplectic maps
F. Onken, S. Lange, R. Ketzmerick, and A. Bäcker
Chaos 26, 063124 (2016), arXiv:1602.04658 [nlin.CD] Videos - Entanglement and localization transitions in eigenstates of interacting chaotic systems
A. Lakshminarayan, S. C. L. Srivastava, R. Ketzmerick, A. Bäcker, and S. Tomsovic
Phys. Rev. E 94, 010205(R) (2016), arXiv:1601.07061 [quant-ph] - Universal scaling of spectral fluctuation transitions for interacting chaotic systems
S. C. L. Srivastava, S. Tomsovic, A. Lakshminarayan, R. Ketzmerick, and A. Bäcker
Phys. Rev. Lett. 116, 054101 (2016), arXiv:1509.02329 [nlin.CD] - Localization of Chaotic Resonance States due to a Partial Transport Barrier
M. J. Körber, A. Bäcker, and R. Ketzmerick
Phys. Rev. Lett. 115, 254101 (2015), arXiv:1509.00665 [nlin.CD] - Experimental Observation of Resonance-Assisted Tunneling
S. Gehler, S. Löck, S. Shinohara, A. Bäcker, R. Ketzmerick , U. Kuhl, and H.-J. Stöckmann
Phys. Rev. Lett. 115, 104101 (2015), arXiv:1502.04263 [cond-mat] - Nonequilibrium steady states of ideal bosonic and fermionic quantum gases
D. Vorberg, W. Wustmann, H. Schomerus, R. Ketzmerick, and A. Eckardt
Phys. Rev. E 92, 062119 (2015), arXiv:1508.02898 [cond-mat.quant-gas] - Integrable approximation of regular regions with a nonlinear resonance chain
J. Kullig, C. Löbner, N. Mertig, A. Bäcker, and R. Ketzmerick
Phys. Rev. E 90, 052906 (2014), arXiv:1407.2513 [nlin.CD] - Temporal flooding of regular islands by chaotic wave packets
L. Bittrich, A. Bäcker, and R. Ketzmerick
Phys. Rev. E 89, 032922 (2014), arXiv:1401.5923 [nlin.CD] - Quantum Goos-Hänchen shift and tunneling transmission at a curved step potential
S.-Y. Lee, J. Le Deunff, M. Choi, and R. Ketzmerick
Phys. Rev. A 89, 022120 (2014), arXiv:1402.2752 [quant-ph] - Global structure of regular tori in a generic 4D symplectic map
S. Lange, M. Richter, F. Onken, A. Bäcker, and R. Ketzmerick
Chaos 24, 024409 (2014), arXiv:1311.7632 [nlin.CD], Videos
Editors' pick, Featured article, and Cover image (pdf) (Chaos, June 2014, volume 24, number 2) - Visualization and comparison of classical structures and quantum states of 4D maps
M. Richter, S. Lange, A. Bäcker, and R. Ketzmerick
Phys. Rev. E 89, 022902 (2014), arXiv:1307.6109 [nlin.CD], Videos - Integrable approximation of regular islands: The iterative canonical transformation method
C. Löbner, S. Löck, A. Bäcker, and R. Ketzmerick
Phys. Rev. E 88, 062901 (2013), arXiv:1308.1561 [nlin.CD] - Generalized Bose-Einstein condensation into multiple states in driven-dissipative systems
D. Vorberg, W. Wustmann, R. Ketzmerick, and A. Eckardt
Phys. Rev. Lett. 111, 240405 (2013), arXiv:1308.2776 [cond-mat.stat-mech]
Editors' suggestion and highlighted in Physics (APS) ,Focus, December 20, 2013 - Hierarchical Fractal Weyl Laws for Chaotic Resonance States in Open Mixed Systems
M. J. Körber, M. Michler, A. Bäcker, and R. Ketzmerick
Phys. Rev. Lett. 111, 114102 (2013), arXiv:1304.2662 [nlin.CD] - Complex paths for regular-to-chaotic tunnelling rates
N. Mertig, S. Löck, A. Bäcker, R. Ketzmerick, and A. Shudo
Europhys. Lett. 102, 10005 (2013), arXiv:1207.0985 [nlin.CD] - Universal Quantum Localizing Transition of a Partial Barrier in a Chaotic Sea
M. Michler, A. Bäcker, R. Ketzmerick, H.-J. Stöckmann, and S. Tomsovic
Phys. Rev. Lett. 109, 234101 (2012), arXiv:1206.3118 [nlin.CD] - Biased diffusion inside regular islands under random symplectic perturbations
A. Kruscha, R. Ketzmerick, and H. Kantz
Phys. Rev. E 85, 066210 (2012) - Coupling of bouncing-ball modes to the chaotic sea and their counting function
S. Löck, A. Bäcker, and R. Ketzmerick
Phys. Rev. E 85, 016210 (2012), arXiv:1110.6307v1 [nlin.CD] - Partial Weyl Law for Billiards
A. Bäcker, R. Ketzmerick, S. Löck, and H. Schanz
Europhys. Lett. 94, 30004 (2011), arXiv:1010.5093v2 [nlin.CD] - Fractional Power-Law Level-Statistics due to Dynamical Tunneling
A. Bäcker, R. Ketzmerick, S. Löck, and N. Mertig
Phys. Rev. Lett. 106, 024101 (2011), arXiv:1007.4130v1 [nlin.CD] - Direct regular-to-chaotic tunneling rates using the fictitious integrable system approach
A. Bäcker, R. Ketzmerick, and S. Löck
Phys. Rev. E 82, 056208 (2010), arXiv:1009.0418v1 [nlin.CD] - Regular-to-Chaotic Tunneling Rates: From the Quantum to the Semiclassical Regime
S. Löck, A. Bäcker, R. Ketzmerick, and P. Schlagheck
Phys. Rev. Lett. 104, 114101 (2010), arXiv:0906.4893 [nlin.CD] - Statistical mechanics of Floquet systems: The pervasive problem of near degeneracies
D. W. Hone, R. Ketzmerick, and W. Kohn
Phys. Rev. E 79, 051129 (2009), arXiv:0811.3243 [cond-mat.stat-mech] - Switching mechanism in periodically driven quantum systems with dissipation
R. Ketzmerick and W. Wustmann
Phys. Rev. E 80, 021117 (2009), arXiv:0901.1236 [cond-mat.stat-mech] - Statistical mechanics of Floquet systems: The pervasive problem of near degeneracies
D. W. Hone, R. Ketzmerick, and W. Kohn
Phys. Rev. E 79, 051129 (2009), arXiv:0811.3243 [cond-mat.stat-mech] - Quality factors and dynamical tunneling in annular microcavities
A. Bäcker, R. Ketzmerick, S. Löck, J. Wiersig, and M. Hentschel
Phys. Rev. A 79, 063804 (2009), arXiv:0903.0974 [nlin.CD] - Nano-wires with surface disorder: Giant localization lengths and dynamical tunneling in the presence of directed chaos
J. Feist, A. Bäcker, R. Ketzmerick, J. Burgdörfer, and S. Rotter
Phys. Rev. B 80, 245322 (2009), arXiv:0908.3278 [cond-mat.mes-hall] - Dynamical tunneling in mushroom billiards
A. Bäcker, R. Ketzmerick, S. Löck, M. Robnik, G. Vidmar, R. Höhmann, U. Kuhl, and H.-J. Stöckmann
Phys. Rev. Lett. 100, 174103 (2008), arXiv:0801.2833 [nlin.CD] - Regular-to-chaotic tunneling rates using a fictitious integrable system
A. Bäcker, R. Ketzmerick, S. Löck, and L. Schilling
Phys. Rev. Lett. 100, 104101 (2008), arXiv:0707.0217v1 [nlin.CD] - On universality of algebraic decays in Hamiltonian systems
G. Cristadoro and R. Ketzmerick,
Phys. Rev. Lett. 100, 184101 (2008), arXiv:0801.2756 [nlin.CD] - Dynamic Light Scattering for the Characterization of Polydisperse Fractal Systems: I. Simulation of the Diffusional Behavior
U. Kätzel, R. Bedrich, M. Stintz, R. Ketzmerick, T. Gottschalk-Gaudig, and H. Barthel
Part. Part. Syst. Charact. 25, 9-18 (2008) - Universality in the flooding of regular islands by chaotic states
A. Bäcker, R. Ketzmerick, and A. Monastra
Phys. Rev. E 75, 066204 (2007), arXiv:0701032 [nlin.CD] - Nano-wires with surface disorder: Giant localization lengths and quantum-to-classical crossover
J. Feist, A. Bäcker, R. Ketzmerick, S. Rotter, B. Huckestein, and J. Burgdörfer
Phys. Rev. Lett. 97, 116804 (2006), arXiv:0606586 [cond-mat.mes-hall] - Flooding of Chaotic Eigenstates into Regular Phase Space Islands
A. Bäcker, R. Ketzmerick, and A. Monastra
Phys. Rev. Lett. 94, 054102 (2005), arXiv:0409029 [nlin.CD] - Directed chaotic transport in Hamiltonian ratchets
H. Schanz, T. Dittrich, and R. Ketzmerick
Phys. Rev. E 71, 026228 (2005), arXiv:0408021 [nlin.CD] - Detection of Landau band coupling induced rearrangement of the Hofstadter butterfly
M. C. Geisler, J. H. Smet, V. Umansky, K. von Klitzing, B. Naundorf, R. Ketzmerick, and H. Schweizer
Phys. Rev. Lett. 92, 256801 (2004) - Can simple renormalization theories describe the trapping of chaotic trajectories in mixed systems?
M. Weiss, L. Hufnagel, and R. Ketzmerick
Phys. Rev. E 67, 046209 (2003), arXiv:0106021 [nlin.CD] - Universal power-law decay in Hamiltonian systems?
M. Weiss, L. Hufnagel, and R. Ketzmerick
Phys. Rev. Lett. 89, 239401 (2002), arXiv:0210033 [nlin.CD] - Eigenstates Ignoring Regular and Chaotic Phase-Space Structures
L. Hufnagel, R. Ketzmerick, M.-F. Otto, and H. Schanz
Phys. Rev. Lett. 89, 154101 (2002), arXiv:0204064 [nlin.CD] - Isolated resonances in conductance fluctuations and hierarchical states
A. Bäcker, A. Manze, B. Huckestein, and R. Ketzmerick
Phys. Rev. E 66, 016211 (2002), arXiv:0201057 [nlin.CD] - Conductance fluctuations of generic billiards: Fractal or isolated?
L. Hufnagel, R. Ketzmerick, and M. Weiss
Europhys. Lett. 54, 703-708 (2001) arXiv:0009010 [cond-mat.mes-hall] - Quantum signatures of typical chaotic dynamics
R. Ketzmerick, L. Hufnagel, and M. Weiss
Adv. Solid State Phys. 41, 473-481 (2001) - Superballistic spreading of wave packets
L. Hufnagel, R. Ketzmerick, T. Kottos, and T. Geisel
Phys. Rev. E 64, 012301 (2001), arXiv:0101146 [cond-mat.dis-nn] - Classical and quantum Hamiltonian ratchets
H. Schanz, M.-F. Otto, R. Ketzmerick, and T. Dittrich
Phys. Rev. Lett. 87, 070601 (2001), arXiv:0011038 [nlin.CD] - Classical and quantum transport in deterministic Hamiltonian ratchets
T. Dittrich, R. Ketzmerick, M.-F. Otto, and H. Schanz
Ann. Phys. (Leipzig) 9, 755-763 (2000). - Bloch electrons in a magnetic field - why does chaos send electrons the hard way?
R. Ketzmerick, K. Kruse, D. Springsguth, and T. Geisel
Phys. Rev. Lett. 84, 2929-2932 (2000) arXiv:9810313 [cond-mat.mes-hall] - Metal-insulator transitions in the cyclotron resonance of periodic nanostructures due to avoided band crossings
L. Hufnagel, M. Weiss, A. Iomin, R. Ketzmerick, S. Fishman, and T. Geisel
Phys. Rev. B 62, 15348-15351 (2000) arXiv:0008212 [cond-mat.mes-hall] - Quantum chaos and spectral transitions in the Kicked Harper model
K. Kruse, R. Ketzmerick, and T. Geisel
In Statistical and Dynamical Aspects of Mesoscopic Systems, pages 47-61, editors: D. Reguera, G. Platero, L. L. Bonilla, and J. M. Rubi. Springer, Berlin, 2000 - Quantum chaos in extended systems: Spreading wave packets and avoided band crossings
T. Geisel, R. Ketzmerick, and K. Kruse
In New Directions in Quantum Chaos, pages 101-120, editors: G. Casati, I. Guarneri, and U. Smilansky. IOS Press, Amsterdam, 2000 - New class of eigenstates in generic Hamiltonian systems
R. Ketzmerick, L. Hufnagel, F. Steinbach, and M. Weiss
Phys. Rev. Lett. 85, 1214-1217 (2000), arXiv:0004005 [nlin.CD] - Quantum transport through ballistic cavities: soft vs. hard quantum chaos
B. Huckestein, R. Ketzmerick, and C.H. Lewenkopf
Phys. Rev. Lett. 84, 5504-5507 (2000) and Erratum: Phys. Rev. Lett. 87, 119901 (2001), arXiv:9908090 [cond-mat.mes-hall] - Efficient diagonalization of kicked quantum systems
R. Ketzmerick, K. Kruse, and T. Geisel
Physica D 131, 247-253 (1999), arXiv:9712209 (cond-mat) - Avoided band crossings: Tuning metal-insulator transitions in chaotic systems
R. Ketzmerick, K. Kruse, and T. Geisel
Phys. Rev. Lett. 80, 137-140 (1998), arXiv:9709054 (cond-mat) - Covering property of Hofstadter's butterfly
R. Ketzmerick, K. Kruse, F. Steinbach, and T. Geisel
Phys. Rev. B 58, 9881-9885 (1998), arXiv:9806070 [cond-mat.mes-hall] - Fractal conductance fluctuations in a soft wall stadium and a Sinai billiard
A. S. Sachrajda, R. Ketzmerick, C. Gould, Y. Feng, P. J. Kelly, A. Delage, and Z. Wasilewski
Phys. Rev. Lett. 80, 1948-1951 (1998) and Reply to Comment: Phys. Rev. Lett. 83, 1075 (1999), arXiv:9709091 [cond-mat.mes-hall] - Composite fermions in magnetic focusing and commensurability experiments
J. H. Smet, D. Weiss, K. von Klitzing, R. Fleischmann, R. Ketzmerick, T. Geisel, W. Wegscheider, P.T. Coleridge, Z.W. Wasilewski, and G. Weimann
Physica B 249, 15-22 (1998) - Enhanced soft-wall effects for composite fermions in magnetic focusing and commensurability experiments
J. H. Smet, D. Weiss, K. von Klitzing, R. Fleischmann, R. Ketzmerick, T. Geisel, W. Wegscheider, P.T. Coleridge, Z.W. Wasilewski, and G. Weimann
Physica E 1, 153-159 (1997) - Time dependent Floquet theory and absence of an adiabatic limit
D. W. Hone, R. Ketzmerick, and W. Kohn
Phys. Rev. A 56, 4045-4054 (1997), arXiv:9706182 (cond-mat) - What determines the spreading of a wave packet?
R. Ketzmerick, K. Kruse, S. Kraut, and T. Geisel
Phys. Rev. Lett. 79, 1959-1963 (1997) arXiv:9611006 [cond-mat.mes-hall] - Hall conductance of Bloch electrons in a magnetic field
D. Springsguth, R. Ketzmerick, and T. Geisel
Phys. Rev. B 56, 2036-2043 (1997) arXiv:9705208 [cond-mat.mes-hall] - Magnetic focusing of composite fermions through arrays of cavities
J. H. Smet, D. Weiss, R. H. Blick, G. Lütjering, K. von Klitzing, R. Fleischmann, R. Ketzmerick, T. Geisel, and G. Weimann
Phys. Rev. Lett. 77, 2272-2275 (1996) - Fractal conductance fluctuations in generic chaotic cavities
R. Ketzmerick
Phys. Rev. B 54, 10841-10844 (1996), arXiv:9510007 (cond-mat) - Nonlinear dynamics of composite fermions in nanostructures
R. Fleischmann, T. Geisel, C. Holzknecht, and R. Ketzmerick
Europhys. Lett. 36, 167-172 (1996), arXiv:9509168 (cond-mat) - Evidence for quasi-classical transport of composite fermions in an inhomogeneous effective magnetic field
J. H. Smet, R. Fleischmann, D. Weiss, R. Ketzmerick, R. H. Blick, G. Lütjering, K. von Klitzing, T. Geisel, and G. Weimann
Semicond. Sci. Technol. 11, 1482-1487 (1996) - Chaos und fraktale Energiespektren in Antidot-Gittern
R. Fleischmann, T. Geisel, R. Ketzmerick, and G. Petschel
Physikalische Blätter 51, 177-181 (1995) - Corrugation-induced transverse voltage in a lateral superlattice
T. Schlösser, K. Ensslin, F. Claro, J. P. Kotthaus, M. Holland, and R. Ketzmerick
Phys. Rev. B 51, 10737-10742 (1995) - Unbounded quantum diffusion and fractal spectra
T. Geisel, R. Ketzmerick, and G. Petschel
In Chaos and Order - Between Order and Disorder, pages 633-659, editors: G. Casati and B. V. Chirikov. Cambridge University Press, Cambridge, 1995 - Quantum chaology of fractal spectra
T. Geisel, R. Ketzmerick, and G. Petschel
In Chaos in Mesoscopic Systems, volume 7 of Nonlinear Science Series B, pages 63-78, editors: G. Casati and H.A. Cerdeira. World Scientific, Singapore, 1995 - Quantum diffusion, fractal spectra, and chaos in semiconductor microstructures
R. Fleischmann, T. Geisel, R. Ketzmerick, and G. Petschel
Physica D 86, 171-181 (1995) - Fractal spectra, quantum diffusion, and chaos in lateral superlattices
R. Fleischmann, T. Geisel, R. Ketzmerick, and G. Petschel
In Dynamical Systems and Chaos, volume 2, pages 510-519, editors: Y. Aizawa, S. Saito, and K. Shiraiwa. World Scientific, Singapore, 1995 - Quenched and negative Hall effect in periodic media: application to antidot superlattices
R. Fleischmann, T. Geisel, and R. Ketzmerick
Europhys. Lett. 25, 219-224 (1994), arXiv:9312030 (cond-mat) - Tagungsbericht: Chaos and mesoscopic systems
R. Ketzmerick
Physikalische Blätter 50, 868 (1994) - Chaotic transport and fractal spectra in lateral superlattices
R. Fleischmann, T. Geisel, R. Ketzmerick, and G. Petschel
Semicond. Sci. Technol. 9, 1902-1905 (1994) - Classical Hall plateaus in ballistic microjunctions
T. Geisel, R. Ketzmerick, and O. Schedletzky
Phys. Rev. Lett. 69, 1680-1683 (1992) - Magnetoresistance due to chaos and nonlinear resonances in lateral surface superlattices
R. Fleischmann, T. Geisel, and R. Ketzmerick
Phys. Rev. Lett. 68, 1367-1370 (1992) - Chaos, fraktale Spektren und Quantendynamik in Halbleiter-Mikrostrukturen
R. Ketzmerick
Harri Deutsch Verlag, Frankfurt, 1992 - Unbounded quantum diffusion and a new class of level statistics
T. Geisel, R. Ketzmerick, and G. Petschel
In Quantum Chaos - Theory and Experiment, pages 43-59, editors: P. Cvitanovic, I. C. Percival, and A. Wirzba. Kluwer Academic Publishers, Dordrecht, 1992 - Slow decay of temporal correlations in quantum systems with Cantor spectra
R. Ketzmerick, G. Petschel, and T. Geisel
Phys. Rev. Lett. 69, 695-698 (1992) - Metamorphosis of a Cantor spectrum due to classical chaos
T. Geisel, R. Ketzmerick, and G. Petschel
Phys. Rev. Lett. 67, 3635-3638 (1991) - New class of level statistics in quantum systems with unbounded diffusion
T. Geisel, R. Ketzmerick, and G. Petschel
Phys. Rev. Lett. 66, 1651-1654 (1991) and Erratum: Phys. Rev. Lett. 66, 3321 (1991) - Numerical investigation of stochastic processes with memory
R. Ketzmerick
In Fractals in the Fundamental and Applied Sciences, pages 225-237, editors: H.-O. Peitgen, J. M. Henriques, and L. F. Penedo. North-Holland, Amsterdam, 1991 - Simulation of a non-Markovian process modelling contour length fluctuation in the Doi-Edwards model
R. Ketzmerick and H. C. Öttinger
Continuum Mechanics and Thermodynamics 1, 113-124 (1989)