Universal thermodynamics of strongly interacting Fermi gases

Nature Physics

Volumn 3, Issue 7, 2007, Pages 469-472

  Hu, Hui ^a,b   Drummond, Peter D ^b   Liu, Xia Ji ^b  

^a RENMIN UNIVERSITY OF CHINA   (China)

^b UNIVERSITY OF QUEENSLAND   (Australia)

Author keywords

[No Author keywords available]

Indexed keywords

ATOMS; ELECTRON GAS; THERMODYNAMICS;

ADJUSTABLE PARAMETERS; ATOMIC SPECIES; ATOMIC TRAPS; NEUTRON STARS; STRONG INTERACTION; THERMODYNAMIC BEHAVIOUR; ULTRACOLD FERMIONS; ZERO TEMPERATURES;

FERMIONS;

EID: 34547245590     PISSN: 17452473     EISSN: 17452481     Source Type: Journal    
DOI: 10.1038/nphys598     Document Type: Article

References (30)

1. Heiselberg, H. Fermi systems with long scattering lengths. Phys. Rev. A 63, 043606 (2001).
2. Carlson, J., Chang, S.-Y., Pandharipande, V. R. & Schmidt, K. E. Superfluid Fermi gases with large scattering length. Phys. Rev. Lett. 91, 050401 (2003).
3. Ho, T.-L Universal thermodynamics of degenerate quantum gases in the unitarity limit. Phys. Rev. Lett. 92, 090402 (2004).
4. O'Hara, K. M., Hemmer, S. L., Gehm, M. E., Granade, S. R. Se Thomas, J. E. Observation of a strongly interacting degenerate Fermi gas of atoms. Science 298, 2179-2182 (2002).
5. Thomas, J. E., Kinast, J. & Turlapov, A. Virial theorem and universality in a unitary Fermi gas. Phys. Rev. Lett. 95, 120402 (2005).
6. Partridge, G. B., Li, W., Kamar, R. I., Liao, Y. & Hulet, R. G. Pairing and phase separation in a polarized Fermi gas. Science 311, 503-505 (2006).
7. 40 K Fermi gas in the BCS-BEC crossover. Phys. Rev. Lett. 97, 220406 (2006).
8. Luo, L., Clancy, B., Joseph, J., Kinast, J. & Thomas, J. E. Measurement of the entropy and critical temperature of a strongly interacting Fermi gas. Phys. Rev. Lett 98, 080402 (2007).
9. Hu, H., Liu, X.-J. & Drummond, P. D. Equation of state of a superfluid Fermi gas in the BCS-BEC crossover. Europhys. Lett. 74, 574-580 (2006).
10. Hu, H., Liu, X.-J. & Drummond, P. D. Temperature of a trapped unitary Fermi gas at finite entropy. Phys. Rev. A 73, 023617 (2006).
11. Friedberg, R. & Lee, T. D. Gap energy and long-range order in the boson-fermion model of superconductivity. Phys. Rev. B 40, 6745-6762 (1989).
12. Kheruntsyan, K. V. & Drummond, P. D. Multidimensional quantum solitons with nondegenerate parametric interactions: Photonic and Bose-Einstein condensate environments. Phys. Rev. A 61, 063816 (2000).
13. Petrov, D. S., Salomon, C. & Shlyapnikov, G. V. Weakly bound dimers of fermionic atoms. Phys. Rev. Lett. 93, 090404 (2004).
14. Leggett, A. J. Modern Trends in the Theory of Condensed Matter (Springer, Berlin, 1980).
15. Regal, C. A., Greiner, M. & Jin, D. S. Observation of resonance condensation of fermionic atom pairs. Phys. Rev. Lett. 92, 040403 (2004).
16. Bourdel, T. et al Experimental study of the BEC-BCS crossover region in lithium 6. Phys. Rev. Lett. 93, 050401 (2004).
17. Bartenstein, M. et al Crossover from a molecular Bose-Einstein condensate to a degenerate Fermi gas. Phys. Rev. Lett. 92, 120401 (2004).
18. Zwierlein, M. W., Abo-Shaeer, J. R., Schirotzek, A., Schunck, C. H. & Ketterle, W. Vortices and superfluidity in a strongly interacting Fermi gas. Nature 435, 1047-1051 (2005).
19. Romans, M. W. J. Se Stoof, H. T. C. Dressed Feshbach molecules in the BEC-BCS crossover. Phys. Rev. Lett. 95, 260407 (2005).
20. Astrakharchik, G. E., Boronat, J., Casulleras, J. & Giorgini, S. Equation of state of a Fermi gas in the BEC-BCS crossover: A quantum Monte Carlo study. Phys. Rev. Lett. 93, 200404 (2004).
21. Engelbrecht, J. R., Randeria, M. & Sáde Melo, C. A. R. BCS to Bose crossover: Broken-symmetry state. Phys. Rev. B 55, 15153-15156 (1997).
22. Nozières, P. & Schmitt-Rink, S. Bose condensation in an attractive fermion gas: From weak to strong coupling superconductivity. J. Low Temp. Phys. 59, 195-211 (1985).
23. Ohashi, Y. & Griffin, A. BCS-BEC crossover in a gas of Fermi atoms with a Feshbach resonance. Phys. Rev. Lett. 89, 130402 (2002).
24. Liu, X.-J. & Hu, H. BCS-BEC crossover in an asymmetric two-component Fermi gas. Europhys. Lett. 75, 364-370 (2006).
25. Haussmann, R., Rantner, W., Cerrito, S. & Zwerger, W. Thermodynamics of the BCS-BEC crossover. Phys. Rev. A 75, 023610 (2007).
26. Chen, Q., Stajic, J., Tan, S. N. & Levin, K. BCS-BEC crossover: From high temperature superconductors to ultracold superfluids. Phys. Rep. 412, 1-88 (2005).
27. Haussmann, R. Properties of a Fermi liquid at the superfluid transition in the crossover region between BCS superconductivity and Bose-Einstem condensation. Phys. Rev. B 49, 12975-12983 (1994).
28. Liu, X.-J. & Hu, H. Self-consistent theory of atomic Fermi gases with a Feshbach resonance at the superfluid transition. Phys. Rev. A 72, 063613 (2005).
29. Bulgac, A., Drut, J. E. & Magierski, P. Spin 1/2 fermions in the unitary regime: A superfluid of a new type. Phys. Rev. Lett. 96, 090404 (2006).
30. Burovski, E., Prokof'ev, N., Svistunov, B. & Troyer, M. Critical temperature and thermodynamics of attractive fermions at unitarity. Phys. Rev. Lett. 96, 160402 (2006).