DFG Research Unit FOR 2414

Publications

Unsupervised machine learning of topological phase transitions from experimental data

Authors: Niklas Käming, Anna Dawid, Korbinian Kottmann, Maciej Lewenstein, Klaus Sengstock, Alexandre Dauphin, Christof Weitenberg

Preprint: arXiv:2101.05712 Information on Research Data

Bosonic Pfaffian State in the Hofstadter-Bose-Hubbard Model

Authors: F. A. Palm, M. Buser, J. Leonhard, M. Aidelsburger, U. Schollwöck, F. Grusdt

Preprint: arxiv.org/abs/2011.02477  

Z2 parton phases in the mixed-dimensional t - Jz model

Authors: Fabian Grusdt, Lode Pollet

Preprint: arxiv.org/abs/2007.13759  

Effect of disorder on topological charge pumping in the Rice-Mele model

Authors: A.L.C. Hayward, E. Bertok, U. Schneider, F. Heidrich-Meisner

Preprint: arXiv:2010.15349  

Interaction control and bright solitons in coherently-coupled Bose-Einstein condensates

Authors: J. Sanz, A. Frölian, C. S. Chisholm, C. R. Cabrera, and L. Tarruell

Preprint: arXiv:1912.06041 Information on Research Data 

Simulating twistronics without a twist

Authors: T. Salamon, A. Celi, R. W. Chhajlany, I. Frérot, M. Lewenstein, L. Tarruell, and D. Rakshit

Magazine: Phys. Rev. Lett. 125, 030504 (2020) Information on Research Data

Interacting bosonic flux ladders with a synthetic dimension: Ground-state phases and quantum quench dynamics

Authors: Maximilian Buser, Claudius Hubig, Ulrich Schollwöck, Leticia Tarruell, Fabian Heidrich-Meisner

Magazine: Phys. Rev. A 102, 053314 (2020) Information on Research Data

Probing the Hall voltage in synthetic quantum systems

Authors: Maximilian Buser, Sebastian Greschner, Ulrich Schollwöck, Thierry Giamarchi

Magazine: Phys. Rev. Lett. 126, 030501 (2021) Information on Research Data

Lattice Symmetry and Emergence of Antiferromagnetic Quantum Hall States

Authors: Morad Ebrahimkhas, Mohsen Hafez-Torbati, Walter Hofstetter

Preprint: arXiv:2006.09515 Information on Research Data

Bulk topological proximity effect in multilayer systems

Authors: Jaromir Panas, Bernhard Irsigler, Jun-Hui Zheng, Walter Hofstetter

Magazine: Phys. Rev. B 102, 075403 (2020) Information on Research Data

Interaction-Driven Topological Phase Transitions in Fermionic SU(3) Systems

Authors: Mohsen Hafez-Torbati, Jun-Hui Zheng, Bernhard Irsigler, Walter Hofstetter

Magazine: Phys. Rev. B 101, 245159 (2020) Information on Research Data

Local Chern marker of smoothly confined Hofstadter fermions

Authors: Urs Gebert, Bernhard Irsigler, Walter Hofstetter

Magazine: Phys Rev. A 101, 063606 (2020) Information on Research Data

Z2 characterization for three-dimensional multiband Hubbard models

Authors: Bernhard Irsigler, Jun-Hui Zheng, Fabian Grusdt,  Walter Hofstetter

Magazine: Phys. Rev. Research 2, 013299 (2020) Information on Research Data

Topological phases in the Fermi-Hofstadter-Hubbard model on hybrid-space ladders

Authors: Leo Stenzel, Andrew L.C. Hayward, Ulrich Schollwöck, Fabian Heidrich-Meisner

Preprint: arXiv:2005.05041 Information on Research Data

Measuring an interaction-induced topological phase transition via the single-particle density matrix

Authors: Jun-Hui Zheng, Bernhard Irsigler, Lijia Jiang, Christof Weitenberg, Walter Hofstetter

Magazine:  Phys. Rev. A 101, 013631 (2020) Information on Research Data

Topological proximity effects in a Haldane graphene bilayer system

Authors: Peng Cheng, Philipp W. Klein, Kirill Plekhanov, Klaus Sengstock, Monika Aidelsburger, Christof Weitenberg, and Karyn Le Hur

Magazine: Phys. Rev. B 100, 081107(R) (2019)

Finite-temperature properties of interacting bosons on a two-leg flux ladder

Authors: Maximilian Buser, Fabian Heidrich-Meisner, and Ulrich Schollwöck

Magazine: Phys. Rev. A 99, 053601 (2019)

Spin-imbalance-induced transverse magnetization in the Hofstadter-Hubbard model

Authors: Bernhard Irsigler, Jun-Hui Zheng, Mohsen Hafez-Torbati, and Walter Hofstetter

Magazine: Phys. Rev. A 99, 043628 (2019) Information on Research Data

Measuring topology from dynamics by obtaining the Chern number from a linking number

Authors: Matthias Tarnowski, F. Nur Ünal, Nick Fläschner, Benno S. Rem, André Eckardt, Klaus Sengstock & Christof Weitenberg

Magazine: Nat. Commun. 10, 1728 (2019)

Microscopic characteristics and tomography scheme of the local Chern marker

Authors: Bernhard Irsigler, Jun-Hui Zheng, Walter Hofstetter

Magazine: Phys. Rev. A 100, 023610 (2019)      information on research data

Hopf characterization of two-dimensional Floquet topological insulators

Authors: F. Nur Ünal, André Eckardt, Robert-Jan Slager

Magazine: Phys. Rev. Research 1, 022003(R) (2019)

Quantifying and controlling prethermal nonergodicity in interacting Floquet matter

Authors: Kevin Singh, K. M. Fujiwara, Zachary A. Geiger, Ethan Q. Simmons, Mikhail Lipatov, Alec Cao, Peter Dotti, Shankari V. Rajagopal, Ruwan Senaratne, Toshihiko Shimasaki, Markus Heyl, André Eckardt, David M. Weld

Magazine: Phys. Rev. X 9, 041021 (2019)

Interaction-enhanced integer quantum Hall effect in disordered systems

Authors: Jun-Hui Zheng, Tao Qin, and Walter Hofstetter

Magazine: Phys. Rev. B 99, 125138 (2019)

Bath-induced decay of Stark many-body localization

Authors: Ling-Na Wu, André Eckardt

Magazine: Phys. Rev. Lett. 123, 030602 (2019)

Quantum phases and topological properties of interacting fermions in one-dimensional superlattices

Authors: Leo Stenzel, Andrew L. C. Hayward, Claudius Hubig, Ulrich Schollwöck, Fabian Heidrich-Meisner

Magazine: Phys. Rev. A 99, 053614 (2019), Editor's Suggestion

Quench-induced dynamical phase transitions and π-synchronization in the Bose-Hubbard model

Authors: Andrea Pizzi, Fabrizio Dolcini, and Karyn Le Hur

Magazine: Phys. Rev. B 99, 094301 (2019)

Bipartite fluctuations and topology of Dirac and Weyl systems

Authors: Loïc Herviou, Karyn Le Hur, and Christophe Mora

Magazine: Phys. Rev. B 99, 075133 (2019)

Measuring quantized circular dichroism in ultracold topological matter

Authors: L. Asteria, D. T. Tran, T. Ozawa, M. Tarnowski, B. S. Rem, N. Fläschner, K. Sengstock, N. Goldman, C. Weitenberg

Magazine: Nat. Phys. 15, 449 (2019)

Floquet approach to Z2 lattice gauge theories with ultracold atoms in optical lattices

Authors: Christian Schweizer, Fabian Grusdt, Moritz Berngruber, Luca Barbiero, Eugene Demler, Nathan Goldman, Immanuel Bloch, Monika Aidelsburger

Magazine: Nat. Phys. 15, 1168 (2019)

Boson-Lattice Construction for Anyon Models

Authors: Belén Paredes

Magazine: Phys. Rev. B 99, 205154 (2019)

Interacting Hofstadter Interface

Authors: Bernhard Irsigler, Jun-Hui Zheng, Walter Hofstetter

Magazine: Phys. Rev. Lett. 122, 010406 (2019)

Competing Charge and Magnetic Order in Fermionic Multi-Component Systems

Authors: Mohsen Hafez-Torbati, Walter Hofstetter

Magazine: Phys. Rev. B 100, 035133 (2019)

Identifying Quantum Phase Transitions using Artificial Neural Networks on Experimental Data

Authors: Benno S. Rem, Niklas Käming, Matthias Tarnowski, Luca Asteria, Nick Fläschner, Christoph Becker, Klaus Sengstock, Christof Weitenberg

Magazine: Nat. Phys. 15, 917 (2019)

How to Directly Measure Floquet Topological Invariants in Optical Lattices

Authors: F. Nur Ünal, Babak Seradjeh, André Eckardt

Magazine: Phys. Rev. Lett. 122, 253601 (2019)

Coupling ultracold matter to dynamical gauge fields in optical lattices: From flux-attachment to Z2 lattice gauge theories

Authors: Luca Barbiero, Christian Schweizer, Monika Aidelsburger, Eugene Demler, Nathan Goldman, Fabian Grusdt

Magazine: Sci. Adv. 5, eaav7444 (2019)

Describing many-body localized systems in thermal environments

Authors: Ling-Na Wu, Alexander Schnell, Giuseppe De Tomasi, Markus Heyl, André Eckardt

Magazine: New J. Phys. 21, 063026 (2019)

Artificial gauge fields in materials and engineered systems

Authors: Monika Aidelsburger, Sylvain Nascimbene, Nathan Goldman

Magazine: C. R. Physique 19 394–432 (2018)

Measuring the Single-Particle Density Matrix for Fermions and Hard-Core Bosons in an Optical Lattice

Authors: Luis A. Peña Ardila, Markus Heyl, and André Eckardt

Magazine: Phys. Rev. Lett. 121, 260401 (2018)

The optimal frequency window for Floquet engineering in optical lattices

Authors: Gaoyong Sun, André Eckardt

Magazine: arXiv:1805.02443 (2018)

Parametric instabilities of interacting bosons in periodically-driven 1D optical lattices

Authors: J. Näger, K. Wintersperger, M. Bukov, S. Lellouch, E. Demler, U. Schneider, I. Bloch, N. Goldman, M. Aidelsburger

Magazine: arXiv:1808.07462 (2018)

Artificial SU(3) Spin-Orbit Coupling and Exotic Mott Insulators

Authors: Mohsen Hafez-Torbati, Walter Hofstetter

Magazine: Phys. Rev. B 98, 245131 (2018)

The dynamics of weakly interacting bosons in optical lattices with flux

Authors: Ana Hudomal, Ivana Vasić, Hrvoje Buljan, Walter Hofstetter, Antun Balaž

Magazine: Phys. Rev. A 98, 053625 (2018)

Topological invariant for two-dimensional open systems

Authors: Jun-Hui Zheng, Walter Hofstetter

Magazine: Phys. Rev. B 97, 195434 (2018)

Emergent Chiral Spin State in the Mott Phase of a Bosonic Kane-Mele-Hubbard Model

Authors: Kirill Plekhanov, Ivana Vasic, Alexandru Petrescu, Rajbir Nirwan, Guillaume Roux, Walter Hofstetter, Karyn Le Hur

Magazine: Phys. Rev. Lett. 120, 157201 (2018)

Feshbach resonances in potassium Bose-Bose mixtures

Authors: L. Tanzi, C. R. Cabrera, J. Sanz, P. Cheiney, M. Tomza, and L. Tarruell

Magazine: Phys. Rev. A 98, 062712 (2018)

Topological charge pumping in the interacting bosonic Rice-Mele model

Authors: A. L. C. Hayward, C. Schweizer, M. Lohse, M. Aidelsburger, and F. Heidrich-Meisner

Magazine: Phys. Rev. B 98, 245148 (2018)

Is there a Floquet Lindbladian?

Authors: Alexander Schnell, André Eckardt, Sergey Denisov

Magazine: arXiv:1809.11121 (2018)

Bright Soliton to Quantum Droplet Transition in a Mixture of Bose-Einstein Condensates

Authors: P. Cheiney, C. R. Cabrera, J. Sanz, B. Naylor, L. Tanzi, and L. Tarruell

Magazine: Phys. Rev. Lett. 120, 135301 (2018)

Quantum liquid droplets in a mixture of Bose-Einstein condensates

Authors: C. R. Cabrera, L. Tanzi, J. Sanz, B. Naylor, P. Thomas, P. Cheiney, and L. Tarruell

Magazine: Science 359, 301-304 (2018)

Charge-density wave and charge pump of interacting fermions in circularly shaken hexagonal optical lattices

Authors: T. Qin, A. Schnell, C. Weitenberg, K. Sengstock, A. Eckardt, W. Hofstetter

Magazine: Phys. Rev. A 98, 033601 (2018)

On the number of Bose-selected modes in driven-dissipative ideal Bose gases

Authors: A. Schnell, R. Ketzmerick, A. Eckardt

Magazine: Phys. Rev. E 97, 032136 (2018)

A unified theory for excited-state, fragmented, and equilibrium-like Bose condensation in pumped photonic many-body systems

Authors: D. Vorberg, R. Ketzmerick, and A. Eckardt

Magazine: Phys. Rev. A 97, 063621 (2018)

Floquet engineering of optical solenoids and quantized charge pumping along tailored paths in two-dimensional Chern insulators

Authors: B. Wang, F. N. Ünal, and A. Eckardt

Magazine: Phys. Rev. Lett. 120, 243602 (2018)

Creating, probing, and manipulating fractionally charged excitations of fractional Chern insulators in optical lattices

Authors: M. Raciunas, F. N. Ünal, E. Anisimovas, and A. Eckardt

Magazine: Phys. Rev. A 98, 063621 (2018)

High-precision multiband spectroscopy of ultracold fermions in a nonseparable optical lattice

Authors: N. Fläschner, M. Tarnowski, B. Rem, D. Vogel, K. Sengstock, C. Weitenberg

Magazine: Phys. Rev. A 97, 051601(R) (2018)

Driven dissipative dynamics and topology of quantum impurity systems

Authors: Karyn Le Hur, Loïc Henriet, Loïc Herviou, Kirill Plekhanov, Alexandru Petrescu, Tal Goren, Marco Schiro, Christophe Mora, Peter P. Orth

Magazine: C. R. Physique 19 451-483 (2018)

Topological Zak Phase in Strongly-Coupled LC Circuits

Authors: Tal Goren, Kirill Plekhanov, Félicien Appas, and Karyn Le Hur

Magazine: Phys. Rev. B 97, 041106 (2018)

Quantum phases of strongly interacting bosons on a two-leg Haldane ladder

Authors: S. Greschner and F. Heidrich-Meisner

Magazine: Phys. Rev. A 97, 033619 (2018), Editors' Suggestion

Nonequilibrium Steady States and Resonant Tunneling in Time-Periodically Driven Systems with Interactions

Authors: Tao Qin, Walter Hofstetter

Magazine: Phys. Rev. B 97, 125115 (2018)

Quantum simulation of strongly correlated condensed matter systems

Authors: Walter Hofstetter, Tao Qin

Magazine: J. Phys. B: At. Mol. Opt. Phys. 51, 082001 (2018)

Exploring 4D quantum Hall physics with a 2D topological charge pump

Authors: Michael Lohse, Christian Schweizer, Hannah M. Price, Oded Zilberberg, Immanuel Bloch

Magazine: Nature 553, 55–58 (2018)

Pump-power-driven mode switching in a microcavity device and its relation to Bose-Einstein condensation

Authors: H. A. M. Leymann, D. Vorberg, T. Lettau, C. Hopfmann, C. Schneider, M. Kamp, S. Höfling, R. Ketzmerick, J. Wiersig, S. Reitzenstein, A. Eckardt

Magazine: Phys. Rev. X 7, 021045 (2017)

Measuring Chern numbers in Hofstadter strips

Authors: S. Mugel, A. Dauphin, P. Massignan, L. Tarruell, M. Lewenstein, C. Lobo, and A. Celi

Magazine: SciPost Phys. 3, 012 (2017)

Proximity effects in cold atom artificial graphene

Authors: T. Grass, R. W. Chhajlany, L. Tarruell, V. Pellegrini, and M. Lewenstein

Magazine: 2D Mater. 4, 015039 (2017)

Synthetic Unruh effect in cold atoms

Authors: J. Rodríguez-Laguna, L. Tarruell, M. Lewenstein, and A. Celi

Magazine: Phys. Rev. A 95, 013627 (2017)

High-temperature nonequilibrium Bose condensation induced by a hot needle

Authors: A. Schnell, D. Vorberg, R. Ketzmerick, A. Eckardt

Magazine: Phys. Rev. Lett. 119, 140602 (2017)

Floquet Engineering of Haldane Chern Insulators and Chiral bosonic phase transitions

Authors: Kirill Plekhanov, Guillaume Roux, and Karyn Le Hur

Magazine: Phys. Rev. B 95, 045102 (2017)

Precursor of Laughlin state of hard core bosons on a two leg ladder

Authors: Alexandru Petrescu, Marie Piraud, Guillaume Roux, I. P. McCulloch, and Karyn Le Hur

Magazine: Phys. Rev. B 96, 014524 (2017)

Majorana Spin Liquids, Topology and Superconductivity in Ladders

Authors: Karyn Le Hur, Ariane Soret, and Fan Yang

Magazine: Phys. Rev. B 96, 205109 (2017)

Topology of a dissipative spin: Dynamical Chern number, bath induced non-adiabaticity and a quantum dynamo effect

Authors: Loïc Henriet, Antonio Sclocchi, Peter P. Orth, and Karyn Le Hur

Magazine: Phys. Rev. B 95, 054307 (2017)

Bipartite charge fluctuations in one-dimensional Z2 superconductors and insulators

Authors: Loïc Herviou, Christophe Mora, and Karyn Le Hur

Magazine: Phys. Rev. B 96, 121113 (2017)

Spectral functions of a time-periodically driven Falicov-Kimball model: real-space Floquet DMFT study

Authors: Tao Qin, Walter Hofstetter

Magazine: Phys. Rev. B 96, 075134 (2017)

Interaction Dependent Heating and Atom Loss in a Periodically Driven Optical Lattice

Authors: Martin Reitter, Jakob Näger, Karen Wintersperger, Christoph Sträter, Immanuel Bloch, André Eckardt, Ulrich Schneider

Magazine: Phys. Rev. Lett. 119, 200402 (2017)

Realizing and Detecting a Topological Insulator in the AIII Symmetry Class

Authors: Carlos G. Velasco and Belén Paredes

Magazine: Phys. Rev. Lett. 119, 115301(2017)

Colloquium: Atomic quantum gases in periodically driven optical lattices

Authors: André Eckardt

Magazine: Rev. Mod. Phys. 89, 011004 (2017)

Interaction-Induced Topological and Magnetic Phases in the Hofstadter-Hubbard Model

Authors: P. Kumar, T. Mertz and W. Hofstetter

Magazine: Phys. Rev. B 94, 115161 (2016)

Symmetry-broken states in a system of interacting bosons on a two-leg ladder with a uniform Abelian gauge field

Authors: S. Greschner, M. Piraud, F. Heidrich-Meisner, I. P. McCulloch, U. Schollwöck, T. Vekua

Magazine: Phys. Rev. A 94, 063628 (2016)

Semi-synthetic zigzag optical lattice for ultracold bosons

Authors: Egidijus Anisimovas, Mantas Raciunas, Christoph Sträter, André Eckardt, I. B. Spielman, Gediminas Juzeliunas

Magazine: Phys. Rev. A 94, 063632 (2016)

Floquet realization and signatures of one-dimensional anyons in an optical lattice

Authors: Christoph Sträter, Shashi C. L. Srivastava, André Eckardt

Magazine: Phys. Rev. Lett. 117, 205303 (2016)

Spin Pumping and Measurement of Spin Currents in Optical Superlattices

Authors: C. Schweizer, M. Lohse, R. Citro, and I. Bloch

Magazine: Phys. Rev. Lett. 117, 170405 (2016)