The finite-temperature thermodynamics of a trapped unitary Fermi gas within fractional exclusion statistics

Details The finite-temperature thermodynamics of a trapped unitary Fermi gas within fractional exclusion statistics The finite-temperature thermodynamics of a trapped unitary Fermi gas within fractional exclusion statistics

2010-08-31

arxiv.org/abs/1008.5305v1

J. Phys. B: 43, 055302 (2010)

Physics

Condensed Matter

Other Condensed Matter

6 pages, 6 figures

Scientific paper

10.1088/0953-4075/43/5/055302

We utilize a fractional exclusion statistics of Haldane and Wu hypothesis to study the thermodynamics of a unitary Fermi gas trapped in a harmonic oscillator potential at ultra-low finite temperature. The entropy per particle as a function of the energy per particle and energy per particle versus rescaled temperature are numerically compared with the experimental data. The study shows that, except the chemical potential behavior, there exists a reasonable consistency between the experimental measurement and theoretical attempt for the entropy and energy per particle. In the fractional exclusion statistics formalism, the behavior of the isochore heat capacity for a trapped unitary Fermi gas is also analyzed.

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