Mechanical response functions of finite temperature Bose-Einstein Condensates
S. Choi, V. Chernyak, and S. Mukamel
TL;DR
This paper develops a theoretical framework to calculate the mechanical response functions of finite temperature Bose-Einstein condensates, revealing unique dynamical signatures through numerical simulations.
Contribution
It introduces a Liouville space approach combined with Hartree-Fock-Bogoliubov theory to analyze BEC response functions at finite temperature.
Findings
Distinct dynamical signatures identified
Numerical simulations of response functions performed
Finite temperature effects characterized
Abstract
Using the Liouville space framework developed in nonlinear optics we calculate the linear response functions and susceptibilities of Bose-Einstein condensates (BEC) subject to an arbitrary mechanical force. Distinct signatures of the dynamics of finite temperature BEC are obtained by solving the Hartree-Fock-Bogoliubov theory. Numerical simulations of the position dependent linear response functions of one dimensional trapped BEC in the time and the frequency domains are presented.
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