Sound propagation in a Fermi gas near a Feshbach resonance

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Sound waves are observed and studied in an optically trapped degenerate Fermi gas of spin-up and spin-down atoms with magnetically tunable interactions. Measurements are made throughout the crossover region, from a weakly-interacting Fermi gas through the resonant Fermi superfluid regime to a Bose condensate of dimer molecules. The measured sound velocities test the equation of state and confirm the universal hypothesis.
4 pages, 5 figures

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Other Condensed Matter

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http://salesiana.dossiersoluciones.com/handle/123456789/120459

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0612567
 http://arxiv.org/abs/cond-mat/0612567

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arXiv