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Many-body Quantum Dynamics

Cavendish Laboratory

Many-body Quantum dynamics publications


Hubbard Models for Quasicrystalline Potentials

Emmanuel Gottlob, Ulrich Schneider
Phys. Rev. B 107, 144202 (2023)

Observing the two-dimensional Bose glass in an optical quasicrystal

Jr-Chiun Yu, Shaurya Bhave, Lee Reeve, Bo Song, Ulrich Schneider
Arxiv: 2303.00737 (2023)


Cold Atoms in Space: Community Workshop Summary and Proposed Road-Map

Alonso et al.
EPJ Quantum Technology 9, 30 (2022)

Anderson and many-body localization in the presence of spatially correlated classical noise

Stefano Marcantoni, Federico Carollo, Filippo M. Gambetta, Igor Lesanovsky, Ulrich Schneider, Juan P. Garrahan
Phys. Rev. B 106, 134211 (2022)

Realizing discontinuous quantum phase transitions in a strongly-correlated driven optical lattice

Bo Song, Shovan Dutta, Shaurya Bhave, Jr-Chiun Yu, Edward Carter, Nigel Cooper, Ulrich Schneider
Nature Physics 18, 259 (2022)



AtomECS: Simulate laser cooling and magneto-optical traps

X. Chen, M. Zeuner, U. Schneider, C.J. Foot, T.L. Harte, E. Bentine
ArXiv:2105.06447 (2021)

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

A.L.C. Hayward, E. Bertok, U. Schneider, F. Heidrich-Meisner
Phys. Rev. A  103, 043310 (2021)



Observing localisation in a 2D quasicrystalline optical lattice

Matteo Sbroscia, Konrad Viebahn, Edward Carter, Jr-Chiun Yu, Alexander Gaunt, Ulrich Schneider
Phys. Rev. Lett. 125, 200604 (2020)

AION: An Atom Interferometer Observatory and Network

L. Badurina et al. (AION Collaboration)
JCAP 05(2020), 011 (2020)

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

K. Wintersperger, M. Bukov, J. Näger, S. Lellouch, E. Demler, U. Schneider, I. Bloch, N. Goldman, M. Aidelsburger
Phys. Rev. X 10, 011030 (2020)

Mixed spectra and partially extended states in a two-dimensional quasiperiodic model

Attila Szabó, Ulrich Schneider
Phys. Rev. B 101, 014205 (2020)



Matter-wave diffraction from a quasicrystalline optical lattice

Konrad Viebahn, Matteo Sbroscia, Edward Carter, Jr-Chiun Yu, Ulrich Schneider
Phys. Rev. Lett. 122,110404 (2019)



Non-Equilibrium Mass Transport in the 1D Fermi-Hubbard Model

S. Scherg, T. Kohlert, J. Herbrych, J. Stolpp, P. Bordia, U. Schneider, F. Heidrich-Meisner, I. Bloch, M. Aidelsburger
Phys. Rev. Lett. 121, 130402 (2018)

Non-power-law universality in one-dimensional quasicrystals

Attila Szabó, Ulrich Schneider
Phys. Rev. B 98, 134201 (2018)



Observation of Slow Dynamics near the Many-Body Localization Transition in One-Dimensional Quasiperiodic Systems

Henrik Lüschen, Pranjal Bordia, Sebastian Scherg, Fabien Alet, Ehud Altman, Ulrich Schneider, Immanuel Bloch
Phys. Rev. Lett. 119, 260401 (2017)

Probing Slow Relaxation and Many-Body Localization in Two-Dimensional Quasi-Periodic Systems

Pranjal Bordia, Henrik Lüschen, Sebastian Scherg, Sarang Gopalakrishnan, Michael Knap, Ulrich Schneider, Immanuel Bloch
Phys. Rev. X 7, 041047 (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)

Breakdown of ergodicity in quantum systems: from solids to synthetic matter

Michael Pepper, Arijeet Pal, Zlatko Papic, Ulrich Schneider, Steven Simon
Phil. Trans. R. Soc. A 375 20170264 (2017)

Signatures of Many-Body Localization in a Controlled Open Quantum System

Henrik P. Lüschen, Pranjal Bordia, Sean S. Hodgman, Michael Schreiber, Saubhik Sarkar, Andrew J. Daley, Mark H. Fischer, Ehud Altman, Immanuel Bloch, Ulrich Schneider  
Phys. Rev. X 7, 011034 (2017)

Periodically Driving a Many-Body Localized Quantum System

Pranjal Bordia, Henrik Lüschen, Ulrich Schneider, Michael Knap, Immanuel Bloch
Nature Physics 13, 460 (2017)



Bloch state tomography using Wilson lines

T. Li, L. Duca, M. Reitter, F. Grusdt, E. Demler, M. Endres, M. Schleier-Smith, I. Bloch, U. Schneider
Science 352, 1094 (2016)

Coupling Identical 1D Many-Body Localized Systems

P. Bordia, H. P. Lüschen, S. S. Hodgman, M. Schreiber, I. Bloch, U. Schneider
Phys. Rev. Lett. 116, 140401 (2016)



Dynamical Quasicondensation of Hard-Core Bosons at Finite Momenta

L. Vidmar, J. P. Ronzheimer, M. Schreiber, S. Braun, S. S. Hodgman, S. Langer, F. Heidrich-Meisner, I. Bloch, and U. Schneider
Phys. Rev. Lett. 115, 175301 (2015)

Observation of many-body localization of interacting fermions in a quasi-random optical lattice

M. Schreiber, S. S. Hodgman, P. Bordia, H. P. Lüschen, M. H. Fischer, R. Vosk, E. Altman, U. Schneider, I. Bloch
Science 349, 842 (2015)

Emergence of coherence and the dynamics of quantum phase transitions

S. Braun, M. Friesdorf, S. S. Hodgman, M. Schreiber, J. P. Ronzheimer, A. Riera, M. del Rey, I. Bloch, J. Eisert, and U. Schneider
PNAS 112, 3641 (2015)



An Aharonov-Bohm interferometer for determining Bloch band topology

L. Duca, T. Li, M. Reitter, I. Bloch, M. Schleier-Smith, U. Schneider
Science 347, 288 (2015), Science Express (2014)

Comment on "Consistent thermostatistics forbids negative absolute temperatures"

U. Schneider, S. Mandt, A. Rapp, S. Braun, H. Weimer, I. Bloch, A. Rosch



Sudden expansion of Mott insulators in one dimension

L. Vidmar, S. Langer, I.P. McCulloch, U. Schneider, U. Schollwoeck, F. Heidrich-Meisner
Phys. Rev. B 88, 235117 (2013)

Expansion dynamics of interacting bosons in homogeneous lattices in one and two dimensions

J.P. Ronzheimer, M. Schreiber, S. Braun, S.S. Hodgman, S. Langer, I.P. McCulloch, F. Heidrich-Meisner, I. Bloch and U. Schneider
Phys. Rev. Lett. 110, 205301 (2013)

Negative absolute Temperaturen

Ulrich Schneider
Physik in unserer Zeit 44, 58 (2013)

Dynamical arrest of ultracold lattice fermions

Bernd Schmidt, M. Reza Bakhtiari, Irakli Titvinidze, Ulrich Schneider, Michiel Snoek, and Walter Hofstetter
Phys. Rev. Lett. 110, 075302 (2013)

Negative Absolute Temperature for Motional Degrees of Freedom

Simon Braun, Jens Philipp Ronzheimer, Michael Schreiber, Sean S. Hodgman, Tim Rom, Immanuel Bloch, Ulrich Schneider
Science 339, 52 (2013)



Fermionic transport and out-of-equilibrium dynamics in a homogeneous Hubbard model with ultracold atoms

Ulrich Schneider, Lucia Hackermüller, Jens Philipp Ronzheimer, Sebastian Will, Simon Braun, Thorsten Best, Immanuel Bloch, Eugene Demler, Stephan Mandt, David Rasch, Achim Rosch
Nature Physics 8, 213-218 (2012)



Adiabatic preparation of a Heisenberg antiferromagnet using an optical superlattice

Michael Lubasch, Valentin Murg, Ulrich Schneider, J. Ignacio Cirac, Mari-Carmen Bañuls
Phys. Rev. Lett. 106, 155301 (2011)

Coherent Interaction of a Single Fermion with a Small Bosonic Field

Sebastian Will, Thorsten Best, Simon Braun, Ulrich Schneider, and Immanuel Bloch
Phys. Rev. Lett. 106, 115305 (2011)



Interacting Fermionic Atoms in Optical Lattices – A Quantum Simulator for Condensed Matter Physics

Ulrich Schneider
PhD-Thesis, Johannes Gutenberg-Universität Mainz, 2010

Time-resolved observation of coherent multi-body interactions in quantum phase revivals

Sebastian Will, Thorsten Best, Ulrich Schneider, Lucia Hackermüller, Dirk-Sören Lühmann, Immanuel Bloch
Nature 465, 197-201 (2010)

Anomalous Expansion of Attractively Interacting Fermionic Atoms in an Optical Lattice

Lucia Hackermüller, Ulrich Schneider, Maria Moreno-Cardoner, Takuya Kitagawa, Thorsten Best, Sebastian Will, Eugene Demler, Ehud Altman, Immanuel Bloch, Belén Paredes
Science 327, 1621 (2010)



Role of interactions in 87Rb-40K Bose-Fermi mixtures in a 3d optical lattice

Th. Best, S. Will, U. Schneider, L. Hackermueller, D.-S. Luehmann, D. van Oosten, I. Bloch
Phys. Rev. Lett. 102, 030408 (2009)



Metallic and Insulating Phases of Repulsively Interacting Fermions in a 3D Optical Lattice

U. Schneider, L. Hackermuller, S. Will, Th. Best, I. Bloch, T. A. Costi, R. W. Helmes, D. Rasch, A. Rosch
Science 322,1520 (2008)



Amplitude and phase control of a coherent superposition of degenerate states. II. Experiment

F.Vewinger, M.Heinz, U.Schneider, C.Barthel, and K.Bergmann
Phys. Rev. A 75, 043407(2007)



Free fermion antibunching in a degenerate atomic Fermi gas released from an optical lattice

T. Rom, Th. Best, D. van Oosten, U. Schneider, S. Fölling, B. Paredes and I. Bloch
Nature 444, 733-736 (2006)

Phase control in a coherent superposition of degenerate quantum states through frequency control

M. Heinz, F. Vewinger, U. Schneider, L.P.Yatsenko, and K. Bergmann
Optics Commun. 264, 248 - 255 (2006)

Latest news

Observing the two-dimensional Bose glass in an optical quasicrystal

2 March 2023

Our latest work on observing the two-dimensional Bose glass in our optical quasicrystal is now on the Arxiv: Arxiv:2303.00737 . We could not only observe the Bose glass and the phase transition between Bose glass and superfluid, but could furthermore experimentally establish the non-ergodic character of the Bose glass...

Hubbard Models for Quasicrystalline Potentials

13 October 2022

Our latest work on creating Hubbard Models for Quasicrystalline Potentials is now on the Arxiv (2210.05691). In it, we present a numerical method for constructing the Hubbard Hamiltonian of non-periodic potentials without making use of Bloch's theorem, and then apply it to the eightfold rotationally symmetric 2D optical...

AION Vacuum system arrived

4 July 2022

The AION experiment reached an important first milestone with the UHV vacuum chamber having been delivered. Next stop: laser cooled Strontium. aion_uhv_chamber.jpg

News & Views on first-order phase transition

31 March 2022

Bryce Gadway wrote a News & Views article for Nature Physics on our paper on Realizing Discontionuous Phase Transitrions. Check it out:

Towards quantum simulation of false vacuum decay

20 January 2022

In our lastest work we have used a resonantly driven optical lattice to turn the Mott transition into a first-order (discontinuous) transition. We were able to directly observe the associated hysteresis and metastability, where the system remains stuck in its original phase (the false vacuum) even though the ground state...