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Universality of the unitary Fermi gas: A few-body perspective

Author
Levinsen, J.; Massignan, P.; Endo, S.; Parish, M.
Type of activity
Journal article
Journal
Journal of physics B. Atomic molecular and optical physics
Date of publication
2017
Volume
50
Number
7
First page
1
Last page
11
DOI
https://doi.org/10.1088/1361-6455/aa5a1e Open in new window
Repository
http://hdl.handle.net/2117/115976 Open in new window
URL
http://iopscience.iop.org/article/10.1088/1361-6455/aa5a1e/meta Open in new window
Abstract
We revisit the properties of the two-component Fermi gas with short-range interactions in three dimensions, in the limit where the s -wave scattering length diverges. Such a unitary Fermi gas pos- sesses universal thermodynamic and dynamical observables that are independent of any interaction length scale. Focusing on trapped systems of N fermions, where N = 10, we investigate how well we can determine the zero-temperature behavior of the many-body system from published few-body data on the grou...
Citation
Levinsen, J., Massignan, P., Endo, S., Parish, M. Universality of the unitary Fermi gas: A few-body perspective. "Journal of physics B. Atomic molecular and optical physics", 2017, vol. 50, núm. 7, p. 1-11.
Keywords
Fermi gas
Group of research
SIMCON - First-principles approaches to condensed matter physics: quantum effects and complexity

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