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- Temperature of a trapped unitary Fermi gas at finite entropy
- Hu, Hui; Liu, Xia-Ji; Drummond, P. D.
- We present theoretical predictions for the equation of state of a harmonically trapped Fermi gas in the unitary limit. Our calculations compare Monte Carlo results with the equation of state of a uniform gas using three distinct perturbation schemes. We show that in experiments the temperature can be usefully calibrated by making use of the entropy, which is invariant during an adiabatic conversion into the weakly interacting limit of molecular BEC. We predict the entropy dependence of the equation of state.
- Publication type
- Journal article
- Physical Review A, Vol. 73, no. 2 (2006), article no. 023617
- Publication year
- FOR Code(s)
- 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics; 0204 Condensed Matter Physics; 0205 Optical Physics
- Adiabatic conversion; Bose-Einstein condensation; Electron traps; Entropy; Equations of state of gases; Fermi gas; Fermi level; Fermion systems; Molecular BEC; Monte Carlo methods; Perturbation techniques; Perturbation theory
- American Physical Society
- Publisher URL
- Copyright © 2006 The American Physical Society. Published version of this paper reproduced here in accordance with the copyright policy of the publisher.
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- Peer reviewed