A phenomenological approach to the equation of state of a unitary Fermi gas

MURTHY, M V N ; BRACK, M ; BHADURI, R K

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Zusammenfassung

We propose a phenomenological approach for the equation of state of a unitary Fermi gas. The universal equation of state is parametrized in terms of Fermi-Dirac integrals. This reproduces the experimental data over the accessible range of fugacity and normalized temperature, but cannot describe the superfluid phase transition found in the MIT experiment [Ku et al, Science 335, 563 (2012)]. The ...