Collective modes as a probe of the equation of state for partially polarized Fermi gases
De Silva, Theja N. · Mueller, Erich J.
الأصل · EN
We calculate the collective modes of a partially polarized Fermi gas trapped in a spherically symmetric harmonic potential. We show that the breathing mode frequency exhibits non-monotonic dependence on polarization in the entire BCS-BEC crossover region. Moreover, we find that the breathing mode can be used to distinguish between two commonly used unitary gas equations of state.
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