Chiral Waveguide Optomechanics: First Order Quantum Phase Transitions with Symmetry Breaking

DD Sedov, VK Kozin, IV Iorsh - Physical Review Letters, 2020 - APS
We present a direct mapping between the quantum optomechanical problem of the atoms
harmonically trapped in the vicinity of a chiral waveguide and a generalized quantum Rabi …

Spin-orbit-coupled Bose gases with nonlocal Rydberg interactions held under a toroidal trap

XF Zhang, L Wen, LX Wang, GP Chen, RB Tan, H Saito - Physical Review A, 2022 - APS
We consider a spin-orbit-coupled Bose-Einstein condensate with nonlocal Rydberg
interactions confined in a toroidal trap. Our results show that the interplay among nonlocal …

Supersolid-like solitons in a spin-orbit-coupled spin-2 condensate

P Kaur, S Gautam, SK Adhikari - Physical Review A, 2022 - APS
We study supersolid-like crystalline structures emerging in the stationary states of a quasi-
two-dimensional spin-orbit (SO)-coupled spin-2 condensate in the ferromagnetic, cyclic, and …

Einstein equation from covariant loop quantum gravity in semiclassical continuum limit

M Han - Physical Review D, 2017 - APS
In this paper we explain how four-dimensional general relativity and, in particular, the
Einstein equation, emerge from the spin-foam amplitude in loop quantum gravity. We …

Dynamics of multiple solitons in helicoidal spin-orbit coupling Bose–Einstein condensates

P Fang, J He, R Asgari, X Gao, J Lin - The European Physical Journal Plus, 2023 - Springer
In this paper, we focus on solitons with periodic evolution in the helicoidal spin-orbit
coupling Bose–Einstein condensates (SOC-BEC) system. We use a gauge transformation to …

Ground-state phases of the spin-orbit-coupled spin-1 Bose gas in a toroidal trap

JG Wang, LL Xu, SJ Yang - Physical Review A, 2017 - APS
We consider the spin-1 Bose-Einstein condensates with the isotropic Rashba spin-orbit
coupling in a two-dimensional toroidal trap. Three types of striped phases are found in a …

Emergent four-dimensional linearized gravity from a spin foam model

M Han, Z Huang, A Zipfel - Physical Review D, 2019 - APS
Spin foam models (SFMs) are covariant formulations of loop quantum gravity (LQG) in four
dimensions. This work studies the perturbations of SFMs on a flat background. It …

Flipping-shuttle oscillations of bright one-and two-dimensional solitons in spin-orbit-coupled Bose-Einstein condensates with Rabi mixing

H Sakaguchi, BA Malomed - Physical Review A, 2017 - APS
We analyze the possibility of macroscopic quantum effects in the form of coupled structural
oscillations and shuttle motion of bright two-component spin-orbit-coupled striped (one …

Vortex pairs in a spin-orbit-coupled Bose-Einstein condensate

M Kato, XF Zhang, H Saito - Physical Review A, 2017 - APS
Static and dynamic properties of vortices in a two-component Bose-Einstein condensate with
Rashba spin-orbit coupling are investigated. The mass current around a vortex core in the …

Ground states of a distinct spin–orbit-coupled spin-1 Bose–Einstein Condensate in a toroidal trap

N Yue, YK Liu - Physica A: Statistical Mechanics and its Applications, 2024 - Elsevier
This study delves into the influence of a new type of spin–orbit coupling (SOC) on spin-1
Bose–Einstein condensates (BECs) in quasi-two-dimensional annular regions. The …