General relations for quantum gases in two and three dimensions: Two-component fermions
F Werner, Y Castin - Physical Review A—Atomic, Molecular, and Optical …, 2012 - APS
We derive exact general relations between various observables for N spin-1/2 fermions with
zero-range or short-range interactions, in continuous space or on a lattice, in two or three …
zero-range or short-range interactions, in continuous space or on a lattice, in two or three …
Theory of the coherence of topological lasers
I Amelio, I Carusotto - Physical Review X, 2020 - APS
We present a theoretical study of the temporal and spatial coherence properties of a
topological laser device built by including saturable gain on the edge sites of a Harper …
topological laser device built by including saturable gain on the edge sites of a Harper …
Spin squeezing in Bose—Einstein condensates: Limits imposed by decoherence and non-zero temperature
A Sinatra, JC Dornstetter, Y Castin - Frontiers of Physics, 2012 - Springer
We consider dynamically generated spin squeezing in interacting bimodal condensates. We
show that particle losses and non-zero temperature effects in a multimode theory completely …
show that particle losses and non-zero temperature effects in a multimode theory completely …
Cumulant theory of the unitary Bose gas: Prethermal and Efimovian dynamics
We study the quench of a degenerate ultracold Bose gas to the unitary regime, where
interactions are as strong as allowed by quantum mechanics. We lay the foundation of a …
interactions are as strong as allowed by quantum mechanics. We lay the foundation of a …
Kardar-Parisi-Zhang universality in the coherence time of nonequilibrium one-dimensional quasicondensates
We investigate the finite-size origin of the coherence time (or equivalently of its inverse, the
emission linewidth) of a spatially extended, one-dimensional nonequilibrium condensate …
emission linewidth) of a spatially extended, one-dimensional nonequilibrium condensate …
Long-lived periodic revivals of coherence in an interacting Bose-Einstein condensate
We observe the coherence of an interacting two-component Bose-Einstein condensate
(BEC) surviving for seconds in a trapped Ramsey interferometer. Mean-field-driven …
(BEC) surviving for seconds in a trapped Ramsey interferometer. Mean-field-driven …
Quantum kinetics of quenched two-dimensional Bose superfluids
C Duval, N Cherroret - Physical Review A, 2023 - APS
We study theoretically the nonequilibrium dynamics of a two-dimensional (2D) uniform Bose
superfluid following a quantum quench, from its short-time (prethermal) coherent dynamics …
superfluid following a quantum quench, from its short-time (prethermal) coherent dynamics …
Three‐Phonon and Four‐Phonon Interaction Processes in a Pair‐Condensed Fermi Gas
H Kurkjian, Y Castin, A Sinatra - Annalen der Physik, 2017 - Wiley Online Library
We study the interactions among phonons and the phonon lifetime in a pair‐condensed
Fermi gas in the BEC‐BCS crossover in the collisionless regime. To compute the phonon …
Fermi gas in the BEC‐BCS crossover in the collisionless regime. To compute the phonon …
Prethermalization to thermalization crossover in a dilute Bose gas following an interaction ramp
The dynamics of a weakly interacting Bose gas at low temperatures is close to integrable
due to the approximate quadratic nature of the many-body Hamiltonian. While the short-time …
due to the approximate quadratic nature of the many-body Hamiltonian. While the short-time …
Effects of temperature and hydrogen-like impurity on the coherence time of RbCl parabolic quantum dot qubit
JL Xiao - Superlattices and Microstructures, 2016 - Elsevier
By using a variational method of Pekar type, the Fermi Golden Rule and the quantum
statistics theory (VMPTFGRQST), we investigate the effects of the hydrogen-like impurity and …
statistics theory (VMPTFGRQST), we investigate the effects of the hydrogen-like impurity and …