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Spin1/2Fermions in the Unitary Regime: A Superfluid of a New Type
Open accessAbstract
We study, in a fully nonperturbative calculation, a dilute system of spin 1/2 interacting fermions, characterized by an infinite scattering length at finite temperatures. Various thermodynamic properties and the condensate fraction are calculated and we also determine the critical temperature for the superfluid-normal phase transition in this regime. The thermodynamic behavior appears as a rather surprising and unexpected mélange of fermionic and bosonic features. The thermal response of a spin 1/2 fermion at the BCS-BEC crossover should be classified as that of a new type of superfluid.
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Citations
Cited by
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Bloch, I., Dalibard, J., & Zwerger, W. (2008) · Reviews of Modern Physics · doi:10.1103/revmodphys.80.885 · Cited by 8,114
Quantum simulations with ultracold quantum gases
Bloch, I., Dalibard, J., & Nascimbène, S. (2012) · Nature Physics · doi:10.1038/nphys2259 · Cited by 2,339
Resonantly paired fermionic superfluids
Gurarie, V., & Radzihovsky, L. (2007) · Annals of Physics · doi:10.1016/j.aop.2006.10.009 · Cited by 396
The BCS–BEC crossover: From ultra-cold Fermi gases to nuclear systems
Strinati, G. C., Pieri, P., Röpke, G., Schuck, P., & Urban, M. (2018) · Physics Reports · doi:10.1016/j.physrep.2018.02.004 · Cited by 264
Feynman diagrams versus Fermi-gas Feynman emulator
Van Houcke, K., Werner, F., Kozik, E., Prokof’ev, N., Svistunov, B., Ku, M. J. H., Sommer, A. T., Cheuk, L. W., Schirotzek, A., & Zwierlein, M. W. (2012) · Nature Physics · doi:10.1038/nphys2273 · Cited by 220
Metadata
- Authors
- Bulgac, A., Drut, J. E., & Magierski, P.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2006-03-10
- Volume
- 96
- Issue
- 9
- Pages
- 090404-090404
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2073869118
- Cited by
- 268
- References
- 0
- FWCI
- 21.91
- Type
- journal article
- Language
- en
- Open access
- green
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- Bulgac, A., Drut, J. E., & Magierski, P. (2006). Spin1/2Fermions in the Unitary Regime: A Superfluid of a New Type. Physical Review Letters. https://doi.org/10.1103/physrevlett.96.090404
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