Publications

Publications

Preprints

Realization of anomalous Floquet topological phases with ultracold atoms
Karen Wintersperger, Christoph Braun, F. Nur Ünal, André Eckardt, Marco Di Liberto, Nathan Goldman, Immanuel Bloch, Monika Aidelsburger
arXiv:2002.09840

Design and characterization of a quantum heat pump in a driven quantum gas
Arko Roy and André Eckardt
arXiv:1912.07638

Prethermal memory loss and universal non-equilibrium dynamics in interacting quantum systems coupled to thermal baths
Ling-Na Wu, André Eckardt
arXiv:1911.10331

Extreme Spin Squeezing from Deep Reinforcement Learning
Feng Chen, Jun-Jie Chen, Ling-Na Wu, Yong-Chun Liu, Li You
arXiv:1909.12519

Multifractal dimensions for random matrices, chaotic quantum maps, and many-body systems
A. Bäcker, M. Haque, I. Khaymovich
arXiv:1905.03099

Elliptic bubbles in Moser's 4D quadratic map: The quadfurcation
A. Bäcker and J. D. Meiss,
arXiv:1807.06074

The optimal frequency window for Floquet engineering in optical lattices
G. Sun and A. Eckardt
arXiv:1805.02443

FACt: FORTRAN toolbox for calculating fluctuations in atomic condensates
A. Roy, S. Pal, S. Gautam, D. Angom, P. Muruganandam
arXiv:1806.01244

Spin relaxation in a one-dimensional large-spin degenerate Fermi gas
U. Ebling and A. Eckardt
arXiv:1612.02618

2020

Is there a Floquet Lindbladian?
Alexander Schnell, André Eckardt, Sergey Denisov,
Phys. Rev. B, accepted, arXiv:1809.11121

The optimal frequency window for Floquet engineering in optical lattices
G. Sun and A. Eckardt,
Phys. Rev. Research, accepted, arXiv:1805.02443

2019

Controlled two-mode emission from the interplay of driving and thermalization in a dye-filled photonic cavity
M. Vlaho, H.A.M. Leymann, D. Vorberg, A. Eckardt
Phys. Rev. Research 1, 033191 (2019), arXiv:1907.05780

Phasonic Spectroscopy of a Quantum Gas in a Quasicrystalline Lattice
Shankari V. Rajagopal, Toshihiko Shimasaki, Peter Dotti, Mantas Raciunas, Ruwan Senaratne, Egidijus Anisimovas, André Eckardt, David M. Weld,    
Phys. Rev. Lett. 123, 223201 (2019)
, arXiv:1909.05200

Quantifying and Controlling Prethermal Nonergodicity in Interacting Floquet Matter
K. Singh, K. M. Fujiwara, Z. A. Geiger, E. Q. Simmons, M. Lipatov, A. Cao, P. Dotti, S. V. Rajagopal, R. Senaratne, T. Shimasaki, M. Heyl, A. Eckardt, D. M. Weld
Phys. Rev. X 9, 041021 (2019), arXiv:1809.05554

Hopf characterization of two-dimensional Floquet topological insulators
F. Nur Ünal, André Eckardt, Robert-Jan Slager
Phys. Rev. Research 1, 022003(R) (2019), arXiv:1904.03202

Bath-induced decay of Stark many-body localization
Ling-Na Wu, André Eckardt,
Phys. Rev. Lett. 123, 030602 (2019), arXiv:1903.07338

How to Directly Measure Floquet Topological Invariants in Optical Lattices
F. Nur Ünal, Babak Seradjeh, André Eckardt,
Phys. Rev. Lett. 122, 253601 (2019), arXiv:1812.04636

Measuring topology from dynamics by obtaining the Chern number from a linking number
M. Tarnowski, N. Ünal, N. Fläschner, B. S. Rem, A. Eckardt, K. Sengstock, C. Weitenberg,
Nat. Comms. 10, 1728 (2019), arXiv:1709.01046

Resonance-Assisted Tunneling in 4D Normal-Form Hamiltonians
M. Firmbach, F. Fritzsch, R. Ketzmerick, and A. Bäcker
Phys. Rev. E 99, 042213 (2019)
, arXiv:1901.02692

Ordered level spacing probability densities
S. C. L. Srivastava, A. Lakshminarayan, S. Tomsovic, and A. Bäcker
J. Phys. A 52, 025101 (2019), arXiv:1810.01569

Interacting bosons in two-dimensional lattices with localized dissipation
A. Roy, K. Saha
New. J. Phys. 21, 103050 (2019), arXiv:1808.06505

Splitting of singly and doubly quantized composite vortices in two-component Bose-Einstein condensates
P. Kuopanportti, S. Bandyopadhyay, A. Roy, D. Angom,
Phys. Rev. A 100, 033615 (2019), arxiv:1808.08223

Describing many-body localized systems in thermal environments
L.-N. Wu, A. Schnell, G. De Tomasi, M. Heyl, A. Eckardt,
New J. Phys. 21, 063026 (2019), arXiv:1811.06000

2018

Measuring the single-particle density matrix for fermions and hard-core bosons in an optical lattice
L. Peña Ardila, M. Heyl,  and A. Eckardt,
Phys. Rev. Lett. 121, 260401 (2018), arXiv:1806.08171

Floquet engineering of optical solenoids and quantized charge pumping along tailored paths in two-dimensional Chern insulators
B. Wang, F. N. Ünal, and A. Eckardt
Phys. Rev. Lett. 120, 243602 (2018)

Eigenstate entanglement between quantum chaotic subsystems: Universal transitions and power laws in the entanglement spectrum
S. Tomsovic, A. Lakshminarayan, S. C. L. Srivastava and A. Bäcker
Phys. Rev. E 98, 032209 (2018), arXiv:1807.00572

Moser's quadratic, symplectic map
A. Bäcker and J. D. Meiss,
Regul. Chaotic  Dyn. 23, 654 (2018), arXiv:1808.07229

Creating, probing, and manipulating fractionally charged excitations of fractional Chern insulators in optical lattices
M. Raciunas, F.N. Ünal, E. Anisimovas, and A. Eckardt,
Phys. Rev. A 98, 063621 (2018), arXiv:1804.02002

A unified theory for excited-state, fragmented, and equilibrium-like Bose condensation in pumped photonic many-body systems
D. Vorberg, R. Ketzmerick, and A. Eckardt
Phys. Rev. A 97, 063621 (2018)

Charge-density wave and charge pump of interacting fermions in circularly shaken hexagonal optical lattices
T. Qin, A. Schnell, C. Weitenberg, K. Sengstock, A. Eckardt, W. Hofstetter
Phys. Rev. A 98, 033601 (2018), arXiv:1804.03200

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)

Resonance eigenfunction hypothesis for chaotic systems
K. Clauß, M. J. Körber, A. Bäcker, R. Ketzmerick
Phys. Rev. Lett. 121, 074101 (2018)

Statistical Properties of Eigenstate Amplitudes in Complex Quantum Systems
W. Beugeling, A. Bäcker, R. Moessner, and M. Haque
Phys. Rev. E 98, 022204 (2018)

On the number of Bose-selected modes in driven-dissipative ideal Bose gases
A. Schnell, R. Ketzmerick, A. Eckardt
Phys. Rev. E 97, 032136 (2018)

Superthermal photon bunching in terms of simple probability distributions
T. Lettau, H. A. M. Leymann, B. Melcher, J. Wiersig
Phys. Rev. A 97, 053835 (2018)

Exploring the Photon-Number Distribution of Bimodal Microlasers with a Transition Edge Sensor
E. Schlottmann, M. von Helversen, H. A. M. Leymann, T. Lettau, F. Krüger, M. Schmidt, C. Schneider, M. Kamp, S. Höfling, J. Beyer, J. Wiersig, S. Reitzenstein
Phys. Rev. Applied 9, 064030 (2018)

Condensates in double-well potential with synthetic gauge potentials and vortex seeding
R, Bai, A. Roy, D. Angom, and P. Muruganandam
Phys. Lett. A 382,2376 (2018)

2017

Interaction dependent heating and atom loss in a periodically driven optical lattice
Martin Reitter, Jakob Näger, Karen Wintersperger, Christoph Sträter, Immanuel Bloch, André Eckardt, Ulrich Schneider
Phys. Rev. Lett. 119, 200402 (2017)

High-temperature nonequilibrium Bose condensation induced by a hot needle
Alexander Schnell, Daniel Vorberg, Roland Ketzmerick, André Eckardt
Phys. Rev. Lett.  119, 140602 (2017)

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, A. Eckardt
Phys. Rev. X 7, 021045 (2017)

Colloquium: Atomic quantum gases in periodically driven optical lattices
André Eckardt
Rev. Mod. Phys. 89, 011004 (2017)

Dynamics of phase separation in two-species Bose-Einstein condensates with vortices
Soumik Bandyopadhyay, Arko Roy, and D. Angom
Phys. Rev. A 96, 043603 (2017)

Finite temperature expansion dynamics of Bose–Einstein condensates in ring traps
A. Roy and D. Angom
Phys. Lett. A 381, 2483 (2017)

Complex-path prediction of resonance-assisted tunneling in mixed systems
F. Fritzsch, A. Bäcker, R. Ketzmerick, and N. Mertig,
Phys. Rev. E 95, 020202(R) (2017)

Homoclinic points of 2D and 4D maps via the parametrization method
S. Anastassiou, T. Bountis, and A. Bäcker,
Nonlinearity 30, 3799 (2017)

Pitfalls in the theory of carrier dynamics in semiconductor quantum dots: Single-particle basis versus the many-particle configuration basis
T. Lettau, H. A. M. Leymann, and J. Wiersig
Phys. Rev. B 95, 085314 (2017)

2016

Floquet realization and signatures of one-dimensional anyons in an optical lattice
Christoph Sträter, Shashi C. L. Srivastava, André Eckardt
Phys. Rev. Lett. 117, 205303 (2016)

Universal Scaling of Spectral Fluctuation Transitions for Interacting Chaotic Systems
Shashi C. L. Srivastava, Steven Tomsovic, Arul Lakshminarayan, Roland Ketzmerick, and Arnd Bäcker
Phys. Rev. Lett. 116, 054101 (2016)

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)

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)

Bifurcations of families of 1D-tori in 4D symplectic maps
F. Onken, S. Lange, R. Ketzmerick, and A. Bäcker
Chaos 26, 063124 (2016)

Semi-synthetic zigzag optical lattice for ultracold bosons
Egidijus Anisimovas, Mantas Raciunas, Christoph Sträter, André Eckardt, I. B. Spielman, Gediminas Juzeliunas
Phys. Rev. A 94, 063632 (2016)

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)

Modified interactions in a Floquet topological system on a square lattice and their impact on a bosonic fractional Chern insulator state
Mantas Raciunas, Giedrius Žlabys, André Eckardt, Egidijus Anisimovas
Phy. Rev. A 93, 043618 (2016)

Interband heating processes in a periodically driven optical lattice
Christoph Sträter and André Eckardt
Z. Naturforsch. A 71, 909 (2016)

2015

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)

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)

Non-equilibrium steady states of ideal bosonic and fermionic quantum gases
D. Vorberg, W. Wustmann, H. Schomerus, R. Ketzmerick, A. Eckardt
Phys. Rev. E 92, 062119 (2015)

High-frequency approximation for periodically driven quantum systems from a Floquet-space perspective
André Eckardt and Egidijus Anisimovas
New J. Phys. 17, 093039 (2015)

Multiphoton interband excitations of quantum gases in driven optical lattices
M. Weinberg, C. Ölschläger, C. Sträter, S. Prelle, A. Eckardt, K. Sengstock, J. Simonet
Phys. Rev. A 92, 043621 (2015)

Records in the classical and quantum standard map
S.C.L. Srivastava and A. Lakshminarayan
Chaos, Solitons & Fractals 74, 67 (2015)

Role of real-space micromotion for bosonic and fermionic Floquet fractional Chern insulators
Egidijus Anisimovas, Giedrius Žlabys, Brandon M. Anderson, Gediminas Juzeliūnas, André Eckardt
Phys. Rev. B 91, 245135 (2015)

Oribital-driven melting of a bosonic Mott insulator in a shaken optical lattice,
Christoph Sträter and André Eckardt,
Phys. Rev. A 91, 053602 (2015)

Resonance width distribution in RMT: Weak-coupling regime beyond Porter-Thomas
Yan V. Fyodorov and Dmitry V. Savin
EPL 110, 40006 (2015)

2014

Giant spin oscillations in an ultracold Fermi sea,
Jasper Simon Krauser, Ulrich Ebling, Nick Fläschner, Jannes Heinze, Klaus Sengstock, Maciej Lewenstein, André Eckardt, Christoph Becker,
Science 343, 157 (2014)

Tomography of band-insulators from quench dynamics,
Philipp Hauke, Maciej Lewenstein, André Eckardt,
Phys. Rev. Lett. 113, 045303 (2014)

Relaxation Dynamics of an Isolated Large-Spin Fermi Gas Far from Equilibrium,
Ulrich Ebling, Jasper Simon Krauser, Nick Fläschner, Klaus Sengstock, Christoph Becker, Maciej Lewenstein, André Eckardt,
Phys. Rev. X 4, 021011 (2014),
highlighted in Nature Physics [Nat. Phys. 10, 408 (2014)]

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)
Editors’ pick, Featured article, and Cover image

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)

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)

Temporal flooding of regular islands by chaotic wave packets
L. Bittrich, A. Bäcker, and R. Ketzmerick
Phys. Rev. E 89, 032922 (2014)

Quantum Goos-Hänchen shift and tunneling transmission at a curved step potential
Soo-Young Lee, Jérémy Le Deunff, Muhan Choi, and Roland Ketzmerick,
Phys. Rev. A 89, 022120 (2014)

2013

Engineering Ising-XY spin models in a triangular lattice via tunable artificial gauge fields,
Julian Struck, Malte Weinberg, Christoph Ölschläger, Patrick Windpassinger, Juliette Simonet, Klaus Sengstock, Robert Höppner, Philipp Hauke, André Eckardt, Maciej Lewenstein, Ludwig Mathey,
Nat. Phys. 9, 738 (2013)

Generalized Bose-Einstein condensation into multiple states in driven-dissipative systems,
Daniel Vorberg, Waltraut Wustmann, Roland Ketzmerick, André Eckardt
Phys. Rev. Lett. 111, 240405 (2013),
Editors’ Suggestion, highlighted in Physics (APS) (Focus, December 20, 2013)

Hierarchical Fractal Weyl Laws for Chaotic Resonance States in Open Mixed Systems
M. Körber, M. Michler, A. Bäcker, and R. Ketzmerick
Phys. Rev. Lett. 111, 114102 (2013)

Topological Resonances in Scattering on Networks (Graphs),
Sven Gnutzmann, Holger Schanz, and Uzy Smilansky,
Phys. Rev. Lett. 110, 094101 (2013)

Spontaneous time-reversal symmetry breaking for spinless fermions on a triangular lattice,
Olivier Tieleman, Omjyoti Dutta, Maciej Lewenstein, André Eckardt,
Phys. Rev. Lett. 110, 096405 (2013)

Engineering spin-waves in a high-spin ultracold Fermi gas,
Jannes Heinze, Jasper Simon Krauser, Nick Fläschner, Klaus Sengstock, Christoph Becker, Ulrich Ebling, Andre Eckardt, Maciej Lewenstein,
Phys. Rev. Lett. 110, 250402 (2013)

Complex paths for regular-to-chaotic tunnelling rates,
N. Mertig, S. Löck, A. Bäcker, R. Ketzmerick, and A. Shudo,
EPL 102, 10005 (2013)

Sticky Goos-Hänchen effect at normal/superconductor interface,
S.-Y. Lee, A. Goussev, O. Georgiou, G. Gligorič and A. Lazarides,
EPL 103, 20004 (2013)

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)

Fast domain-wall propagation in uniaxial nanowires with transverse fields,
A. Goussev, R.G. Lund, J.M. Robbins, V. Slastikov and C. Sonnenberg,
Phys. Rev. B 88, 024425 (2013)

Semiclassical description of resonance-assisted tunneling in one-dimensional integrable models,
J. Le Deunff, A. Mouchet and P. Schlagheck,
Phys. Rev. E 88, 042927 (2013)

Phase-space analysis of lasing modes in a chaotic microcavity,
T.-Y. Kwon, S.-Y. Lee, J.-W. Ryu and M. Hentschel,
Phys. Rev. A 88, 023855 (2013)

Charge stability of a triple quantum dot with a finite tunnel coupling,
Soo-Young Lee and Yunchul Chung,
Phys. Rev. B 87, 045302 (2013)

Diffraction in time: An exactly solvable model,
Arseni Goussev,
Phys. Rev. A 87, 053621 (2013)

Scattering of quantum wave packets by shallow potential islands: A quantum lens,
Arseni Goussev and Klaus Richter,
Phys. Rev. E 87, 052918 (2013)

Quantum crystal growing: Adiabatic preparation of a bosonic antiferromagnet in the presence of a parabolic inhomogeneity,
Søren Gammelmark and André Eckardt,
New J. Phys. 15, 033028 (2013)

2012

Tunable gauge potential for neutral and spinless particles in driven lattices,
Julian Struck, Christoph Ölschläger, Malte Weinberg, Philipp Hauke, Juliette Simonet, André Eckardt, Maciej Lewenstein, Klaus Sengstock, Patrick Windpassinger,
Phys. Rev. Lett 108, 225304 (2012)
(see also viewpoint in Physics)

Universal Quantum Localizing Transition of a Partial Barrier in a Chaotic Sea,
Matthias Michler, Arnd Bäcker, Roland Ketzmerick, Hans-Jürgen Stöckmann, and Steven Tomsovic,
Phys. Rev. Lett. 109, 234101 (2012)

Non-Abelian gauge fields and topological insulators in shaken optical lattices,
Philipp Hauke, Olivier Tielemann, Alessio Celi, Christoph Ölschläger, Juliette Simonet, Julian Struck, Malte Weinberg, Patrick Windpassinger, Klaus Sengstock, Maciej Lewenstein, André Eckardt,
Phys. Rev. Lett. 109, 145301 (2012)

Influence of boundary conditions on quantum escape,
Orestis Georgiou, Goran Gligorić, Achilleas Lazarides, Diego F. M. Oliveira, Joshua D. Bodyfelt, and Arseni Goussev,
EPL100, 20005 (2012)

Kilohertz-driven Bose-Einstein condensates in optical lattices,
Ennio Arimondo, Donatella Ciampini, André Eckardt, Martin Holthaus, Oliver Morsch,
Adv. Atom. Mol. Opt. Phys. 61, 515 (2012)

A primer for resonant tunnelling,
J. Le Deunff, O. Brodier and A. Mouchet,
Eur. J. Phys. 33, 1771-1787 (2012)

On-manifold localization in open quantum maps,
Domenico Lippolis, Jung-Wan Ryu, Soo-Young Lee, and Sang Wook Kim,
Phys. Rev. E 86, 066213 (2012)

Loschmidt echo,
Arseni Goussev, Rodolfo A. Jalabert, Horacio M. Pastawski, and Diego A. Wisniacki,
Scholarpedia 7(8), 11687 (2012)

Biased diffusion inside regular islands under random symplectic perturbations ,
A. Kruscha, R. Ketzmerick, and H. Kantz,
Phys. Rev. E 85, 066210 (2012)

Consequences of Flooding on Spectral Statistics,
T. Rudolf, S. Löck, N. Mertig, and A. Bäcker,
Phys. Rev. E85, 036213 (2012)

Coupling of bouncing-ball modes to the chaotic sea and their counting function,
S. Löck, A. Bäcker, and R. Ketzmerick,
Phys. Rev. E85, 016210 (2012)

Huygens-Fresnel-Kirchhoff construction for quantum propagators with application to diffraction in space and time,
Arseni Goussev,
Phys. Rev. A 85, 013626 (2012)

2011

Fractional-Power-Law Level Statistics Due to Dynamical Tunneling,
Arnd Bäcker, Roland Ketzmerick, Steffen Löck, and Normann Mertig,
Phys. Rev. Lett. 106, 024101 (2011)

Partial Weyl Law for Billiards,
Arnd Bäcker, Roland Ketzmerick, Steffen Löck, Holger Schanz,
EPL 94, 30004 (2011)

Spin segregation via dynamically induced long-range interaction in a system of ultracold fermions,
Ulrich Ebling, André Eckardt, Maciej Lewenstein,
Phys. Rev. A 84, 063607 (2011)

Stability of precessing domain walls in ferromagnetic nanowires,
Yan Gou, Arseni Goussev, J. M. Robbins, and Valeriy Slastikov,
Phys. Rev. B 84, 104445 (2011)