Fermions at unitarity and Haldane exclusion statistics

Bhaduri, R. K. ; Murthy, M. V. N. ; Srivastava, M. K. (2007) Fermions at unitarity and Haldane exclusion statistics Journal of Physics B: Atomic, Molecular and Optical Physics, 40 (10). p. 1775. ISSN 0953-4075

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Official URL: http://iopscience.iop.org/0953-4075/40/10/012

Related URL: http://dx.doi.org/10.1088/0953-4075/40/10/012


We consider a gas of neutral fermionic atoms at ultra-low temperatures, with the attractive interaction tuned to Feshbach resonance. We calculate the variation of the chemical potential and the energy per particle as a function of temperature by assuming the system to be an ideal gas obeying the Haldane-Wu fractional exclusion statistics. Our results for the untrapped gas compare favourably with the recently published Monte Carlo calculations of two groups. For a harmonically trapped gas, the results agree with the experiment, and also with other published works.

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Deposited On:27 Jan 2012 11:39
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