Terrestrial and Astrophysical Superfluidity: Cold Atoms and Neutron Matter

Details Terrestrial and Astrophysical Superfluidity: Cold Atoms and Neutron Matter Terrestrial and Astrophysical Superfluidity: Cold Atoms and Neutron Matter

2011-09-22

arxiv.org/abs/1109.4946v1

Physics

Nuclear Physics

Nuclear Theory

20 pages, 5 figures; to appear as a chapter in "The Neutron Star Crust", edited by C. A. Bertulani and J. Piekarewicz

Scientific paper

After a brief historical overview of superfluidity in connection with neutron matter and cold fermionic atoms, we discuss the commonalities between these two systems as well as their relevance to the physics of neutron star crusts. We then present the methodological tools we use to attack the many-body problem, comparing Quantum Monte Carlo to mean-field theory and to the analytic expectations at weak coupling. We review recent results on the equation of state and the pairing gap of cold atoms and neutron matter and contrast them with a variety of calculations by other groups. We conclude by giving a few directions of possible future inquiry.

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