Quantum stochastic behaviour in cold Fermi gases: Phonon propagation

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.

In v.2 the formalism and conclusions are as before, but given in a way that makes the discussion easier to understand experimentally

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Cited by in corpus (2)

• Analogue stochastic gravity phenomena in two-component Bose-Einstein condensates: Sound cone fluctuations
• When are two fermions a simple boson? New Gross-Pitaevskii actions for cold Fermi condensates