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arXiv · 1205.0133

The role of Causality in Tunable Fermi Gas Condensates

Jen-Tsung Hsiang·Chi-Yong Lin·Da-Shin Lee·Ray J. Rivers
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Abstract

We develop a new formalism for the description of the condensates of cold Fermi atoms whose speed of sound can be tuned with the aid of a narrow Feshbach resonance. We use this to look for spontaneous phonon creation that mimics spontaneous particle creation in curved space-time in Friedmann-Robertson-Walker and other model universes.

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Jen-Tsung Hsiang, Chi-Yong Lin, Da-Shin Lee, Ray J. Rivers. 2013-09-17. The role of Causality in Tunable Fermi Gas Condensates. https://doi.org/10.1088/0953-8984%2F25%2F40%2F404211

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