Thouless pum** and topology
Thouless pum** provides one of the simplest manifestations of topology in quantum
systems and has attracted a lot of recent interest, both theoretically and experimentally …
systems and has attracted a lot of recent interest, both theoretically and experimentally …
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 …
Local readout and control of current and kinetic energy operators in optical lattices
Quantum gas microscopes have revolutionized quantum simulations with ultracold atoms,
allowing one to measure local observables and snapshots of quantum states. However …
allowing one to measure local observables and snapshots of quantum states. However …
[HTML][HTML] Artificial gauge fields in materials and engineered systems
Artificial gauge fields are currently realized in a wide range of physical settings. This
includes solid-state devices but also engineered systems, such as photonic crystals …
includes solid-state devices but also engineered systems, such as photonic crystals …
Theoretical and experimental perspectives of quantum verification
In this perspective we discuss verification of quantum devices in the context of specific
examples formulated as proposed experiments. Our first example is verification of analog …
examples formulated as proposed experiments. Our first example is verification of analog …
Exploring 4D quantum Hall physics with a 2D topological charge pump
The discovery of topological states of matter has greatly improved our understanding of
phase transitions in physical systems. Instead of being described by local order parameters …
phase transitions in physical systems. Instead of being described by local order parameters …
Quantization and its breakdown in a Hubbard–Thouless pump
Geometric properties of wave functions can explain the appearance of topological invariants
in many condensed-matter and quantum systems. For example, topological invariants …
in many condensed-matter and quantum systems. For example, topological invariants …
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 …
Quantized topological anderson-thouless pump
YP Wu, LZ Tang, GQ Zhang, DW Zhang - Physical Review A, 2022 - APS
We propose counterintuitive topological pumps induced by disorder in noninteracting and
interacting systems. We show an extrinsic topological pump driven by the on-site …
interacting systems. We show an extrinsic topological pump driven by the on-site …
Optical superlattice for engineering Hubbard couplings in quantum simulation
Quantum simulations of Hubbard models with ultracold atoms rely on the exceptional control
of coherent motion provided by optical lattices. Here we demonstrate enhanced tunability …
of coherent motion provided by optical lattices. Here we demonstrate enhanced tunability …