Topological quantum matter with cold atoms
This is an introductory review of the physics of topological quantum matter with cold atoms.
Topological quantum phases, originally discovered and investigated in condensed matter …
Topological quantum phases, originally discovered and investigated in condensed matter …
Dynamical phase transitions in the collisionless pre-thermal states of isolated quantum systems: theory and experiments
We overview the concept of dynamical phase transitions (DPTs) in isolated quantum
systems quenched out of equilibrium. We focus on non-equilibrium transitions characterized …
systems quenched out of equilibrium. We focus on non-equilibrium transitions characterized …
Observation of dynamical vortices after quenches in a system with topology
Topological phases constitute an exotic form of matter characterized by non-local properties
rather than local order parameters. The paradigmatic Haldane model on a hexagonal lattice …
rather than local order parameters. The paradigmatic Haldane model on a hexagonal lattice …
Measuring topology from dynamics by obtaining the Chern number from a linking number
Integer-valued topological indices, characterizing nonlocal properties of quantum states of
matter, are known to directly predict robust physical properties of equilibrium systems. The …
matter, are known to directly predict robust physical properties of equilibrium systems. The …
Uncover topology by quantum quench dynamics
Topological quantum states are characterized by nonlocal invariants. We present a new
dynamical approach for ultracold-atom systems to uncover their band topology, and we …
dynamical approach for ultracold-atom systems to uncover their band topology, and we …
Dynamical classification of topological quantum phases
Topological phase of matter is now a mainstream of research in condensed matter physics,
of which the classification, synthesis, and detection of topological states have brought …
of which the classification, synthesis, and detection of topological states have brought …
Scheme to measure the topological number of a Chern insulator from quench dynamics
We show how the topological number of a static Hamiltonian can be measured from a
dynamical quench process. We focus on a two-band Chern insulator in two dimension, for …
dynamical quench process. We focus on a two-band Chern insulator in two dimension, for …
Observation of symmetry-protected topological band with ultracold fermions
Symmetry plays a fundamental role in understanding complex quantum matter, particularly
in classifying topological quantum phases, which have attracted great interests in the recent …
in classifying topological quantum phases, which have attracted great interests in the recent …
Topological quantum walks in momentum space with a Bose-Einstein condensate
We report the experimental implementation of discrete-time topological quantum walks of a
Bose-Einstein condensate in momentum space. Introducing stroboscopic driving sequences …
Bose-Einstein condensate in momentum space. Introducing stroboscopic driving sequences …
Dynamical topological quantum phase transitions for mixed states
We introduce and study the dynamical probes of band-structure topology in the postquench
time evolution of quantum many-body systems initialized in mixed states. Our construction …
time evolution of quantum many-body systems initialized in mixed states. Our construction …