Temperature-induced supersolidity in spin-orbit-coupled Bose gases
Quantum Gases
2024-03-28 v2
Abstract
Close to the superfluid plane-wave (PW) - supersolid stripe (ST) phase transition point of a zero temperature quasi-one-dimensional spin-orbit-coupled Bose gas, we find that an increase in temperature induces a phase transition to the supersolid phase with a broken translational symmetry from the superfluid plane-wave phase. We use the Hartree-Fock-Bogoliubov theory with the Popov approximation to investigate the effect of thermal fluctuations on the collective excitation spectrum and investigate the softening of the spin-dipole mode corresponding to the shift in the quantum critical point. This is in stark contrast to the PW-ST phase transition in a homogeneous system where non-zero temperatures facilitate the melting of the stripe phase.
Keywords
Cite
@article{arxiv.2312.08719,
title = {Temperature-induced supersolidity in spin-orbit-coupled Bose gases},
author = {Rajat and Ritu and Arko Roy and Sandeep Gautam},
journal= {arXiv preprint arXiv:2312.08719},
year = {2024}
}