Spectroscopic probes of quantum gases
CJ Vale, M Zwierlein - Nature Physics, 2021 - nature.com
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 …
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 …
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 …
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
C Wei, TA Sedrakyan - Physical Review A, 2021 - APS
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 …
Floquet multi-gap topology: Non-Abelian braiding and anomalous Dirac string phase
Topological phases of matter span a wide area of research shaping fundamental pursuits
and offering promise for future applications. While a significant fraction of topological …
and offering promise for future applications. While a significant fraction of topological …
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 …
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 …
Flat-band transport and Josephson effect through a finite-size sawtooth lattice
We study theoretically the transport through a finite-size sawtooth lattice coupled to two
fermionic reservoirs kept in the superfluid state. We focus on the DC Josephson effect and …
fermionic reservoirs kept in the superfluid state. We focus on the DC Josephson effect and …