Quantum stochastic behaviour in cold Fermi gases: Phonon propagation

preprint2015arXivOpen access

Abstract

We examine the effect of quantum fluctuations in a tunable cold Fermi gas on the propagation of phonons. We show that these fluctuations can be interpreted as inducing a stochastic (acoustic) space-time. The variation in times of flight induced by this stochastic behaviour can be significant in the transition region between BEC and BCS regimes.

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