Critical Temperature and Thermodynamics of Attractive Fermions at Unitarity

Authors

E Burovski, University of Massachusetts - Amherst
N Prokof’ev, University of Massachusetts - AmherstFollow
B Svistunov, University of Massachusetts - AmherstFollow
M Troyer

Publication Date

2006

Journal or Book Title

Physics Review Letters

Abstract

The unitarity regime of the BCS-BEC crossover can be realized by diluting a system of two-component lattice fermions with an on-site attractive interaction. We perform a systematic-error-free finite-temperature simulation of this system by diagrammatic determinant Monte Carlo method. The critical temperature in units of Fermi energy is found to be Tc/εF=0.152(7). We also report the behavior of the thermodynamic functions, and discuss the issues of thermometry of ultracold Fermi gases.

Comments

This is the pre-published version harvested from ArXiv. The published version is located at http://prl.aps.org/abstract/PRL/v96/i16/e160402

Volume

96

Issue

16

Recommended Citation

Burovski, E; Prokof’ev, N; Svistunov, B; and Troyer, M, "Critical Temperature and Thermodynamics of Attractive Fermions at Unitarity" (2006). Physics Review Letters. 1117.
Retrieved from https://scholarworks.umass.edu/physics_faculty_pubs/1117