Bulk viscosity of resonating fermions revisited: Kubo formula, sum rule, and the dimer and high-temperature limits
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DOI: 10.1103/physreva.102.023310
Abstract: The bulk viscosity of two-component fermions with a zero-range interaction is revisited both in two and three dimensions. We first point out that the ``standard'' Kubo formula employed in recent studies has flaws to give… read more here.
Keywords: bulk viscosity; kubo formula; sum rule; viscosity ... See more keywords