Spectroscopic probes of quantum gases
The foundation of atomic physics is the arsenal of spectroscopic tools to probe individual
atoms and molecules with astounding precision. With the advent of ultracold quantum …
atoms and molecules with astounding precision. With the advent of ultracold quantum …
Quantum geometry and flat band Bose-Einstein condensation
We study the properties of a weakly interacting Bose-Einstein condensate (BEC) in a flat
band lattice system by using the multiband Bogoliubov theory and discover fundamental …
band lattice system by using the multiband Bogoliubov theory and discover fundamental …
Floquet non-Abelian topological insulator and multifold bulk-edge correspondence
T Li, H Hu - Nature Communications, 2023 - nature.com
Topological phases characterized by non-Abelian charges are beyond the scope of the
paradigmatic tenfold way and have gained increasing attention recently. Here we …
paradigmatic tenfold way and have gained increasing attention recently. Here we …
Frustrated extended Bose-Hubbard model and deconfined quantum critical points with optical lattices at the antimagic wavelength
The study of geometrically frustrated many-body quantum systems is of central importance to
uncover novel quantum mechanical effects. We design a scheme where ultracold bosons …
uncover novel quantum mechanical effects. We design a scheme where ultracold bosons …
Optical lattice platform for the Sachdev-Ye-Kitaev model
The tractability of the Sachdev-Ye-Kitaev (SYK) model at the large N limit makes it ideal to
theoretically study its chaotic non-Fermi liquid behavior and holographic duality properties …
theoretically study its chaotic non-Fermi liquid behavior and holographic duality properties …
Ab Initio Derivation of Lattice-Gauge-Theory Dynamics for Cold Gases in Optical Lattices
We introduce a method for quantum simulation of U (1) lattice gauge theories coupled to
matter, utilizing alkaline-earth (-like) atoms in state-dependent optical lattices. The proposal …
matter, utilizing alkaline-earth (-like) atoms in state-dependent optical lattices. The proposal …
Discrete time crystals enforced by Floquet-Bloch scars
We analytically identify a new class of quantum scars protected by spatiotemporal
translation symmetries, dubbed Floquet-Bloch scars. They are distinguished from previous …
translation symmetries, dubbed Floquet-Bloch scars. They are distinguished from previous …
Excitations of a Bose-Einstein condensate and the quantum geometry of a flat band
The quantum geometry of Bloch states fundamentally affects a wide range of physical
phenomena. The quantum Hall effect, for example, is governed by the Chern number, and …
phenomena. The quantum Hall effect, for example, is governed by the Chern number, and …
Direct geometric probe of singularities in band structure
A quantum system's energy landscape may have points where multiple energy surfaces are
degenerate and that exhibit singular geometry of the wave function manifold, with major …
degenerate and that exhibit singular geometry of the wave function manifold, with major …