Dipolar physics: a review of experiments with magnetic quantum gases
Since the achievement of quantum degeneracy in gases of chromium atoms in 2004, the
experimental investigation of ultracold gases made of highly magnetic atoms has …
experimental investigation of ultracold gases made of highly magnetic atoms has …
New states of matter with fine-tuned interactions: quantum droplets and dipolar supersolids
Quantum fluctuations can stabilize Bose–Einstein condensates (BEC) against the mean-
field collapse. Stabilization of the condensate has been observed in quantum degenerate …
field collapse. Stabilization of the condensate has been observed in quantum degenerate …
Observation of roton mode population in a dipolar quantum gas
The concept of a roton, a special kind of elementary excitation forming a minimum of energy
at finite momentum, has been essential for the understanding of the properties of superfluid …
at finite momentum, has been essential for the understanding of the properties of superfluid …
Fate of the amplitude mode in a trapped dipolar supersolid
We theoretically investigate the spectrum of elementary excitations of a trapped dipolar
quantum gas across the BEC-supersolid phase transition. Our calculations reveal the …
quantum gas across the BEC-supersolid phase transition. Our calculations reveal the …
Probing the scale invariance of the inflationary power spectrum in expanding quasi-two-dimensional dipolar condensates
SY Chä, UR Fischer - Physical review letters, 2017 - APS
We consider an analogue de Sitter cosmos in an expanding quasi-two-dimensional Bose-
Einstein condensate with dominant dipole-dipole interactions between the atoms or …
Einstein condensate with dominant dipole-dipole interactions between the atoms or …
Dynamical excitation of maxon and roton modes in a Rydberg-Dressed Bose-Einstein Condensate
We investigate the dynamics of a three-dimensional Bose-Einstein condensate of ultracold
atomic gases with a soft-core-shaped long-range interaction, which is induced by laser …
atomic gases with a soft-core-shaped long-range interaction, which is induced by laser …
Roton entanglement in quenched dipolar Bose-Einstein condensates
We study quasi-two-dimensional dipolar Bose-Einstein condensates, in which the
Bogoliubov excitation spectrum displays, at sufficiently large gas density, a deep roton …
Bogoliubov excitation spectrum displays, at sufficiently large gas density, a deep roton …
Dynamic freezing and defect suppression in the tilted one-dimensional Bose-Hubbard model
We study the dynamics of a tilted one-dimensional Bose-Hubbard model for two distinct
protocols using numerical diagonalization for a finite sized system (N≤ 18). The first …
protocols using numerical diagonalization for a finite sized system (N≤ 18). The first …
Interaction quenches in Bose gases studied with a time-dependent hypernetted-chain Euler-Lagrange method
We present a new variational method to study the dynamics of a closed bosonic many-body
system, the time-dependent hypernetted-chain Euler-Lagrange method, tHNC. Based on the …
system, the time-dependent hypernetted-chain Euler-Lagrange method, tHNC. Based on the …
Phonon and maxon instability in Bose–Einstein condensates with parity-time symmetric spin–orbit coupling
J Qin, L Zhou, G Dong - New Journal of Physics, 2023 - iopscience.iop.org
Parity-time (PT) symmetry has drawn great research interest in non-Hermitian physics.
Recently, there is an emerging model of PT-symmetric spinorbit coupling (SOC) which could …
Recently, there is an emerging model of PT-symmetric spinorbit coupling (SOC) which could …