Pith. sign in

REVIEW

First and second sound modes at finite temperature in trapped Fermi gases from BCS to BEC

Not yet reviewed by Pith; the record is open.

This paper has not been read by Pith yet. Machine review is queued; the pith claim, tier, and objections will appear here once it completes.

SPECIMEN: schema-true, not a live event

T0 review · schema-true

One-sentence machine reading of the paper's core claim.

pith:XXXXXXXX · record.json · timestamp

arxiv 0704.1889 v2 pith:O7ZU6IYX submitted 2007-04-15 cond-mat.str-el cond-mat.quant-gascond-mat.supr-con

First and second sound modes at finite temperature in trapped Fermi gases from BCS to BEC

classification cond-mat.str-el cond-mat.quant-gascond-mat.supr-con
keywords secondsoundtemperaturebreathingdependencefermifinitefirst
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
0 comments
read the original abstract

We determine the temperature $T$ dependence of first and second sound mode frequencies for trapped Fermi gases undergoing BCS to Bose Einstein condensation (BEC) crossover. Our results are based on the two fluid equations in conjunction with a microscopic calculation of thermodynamical variables. As in experiment and at unitarity, we show that the lowest radial breathing mode is $T$ independent. At finite $T$, higher order breathing modes strongly mix with second sound. Their complex $T$ dependence should provide an alternative way of measuring the transition temperature, $T_c$.

discussion (0)

Sign in with ORCID, Apple, or X to comment. Anyone can read and Pith papers without signing in.