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Superfluid nuclear matter in BCS theory and beyond

Abstract : Medium polarization effects are studied for 1S0 pairing in nuclear matter within BHF approach. The screening potential is calculated in the RPA limit, suitably renormalized to cure the low density mechanical instability of nuclear matter. The self-energy corrections are consistently included resulting in a strong depletion of the Fermi surface. The self-energy effects always lead to a quenching of the gap, whereas it is almost completely compensated by the anti-screening effect in nuclear matter.
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http://hal.in2p3.fr/in2p3-00424250
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Submitted on : Wednesday, October 14, 2009 - 3:56:41 PM
Last modification on : Wednesday, September 16, 2020 - 4:07:54 PM

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C. Li-Gang, U. Lombardo, P. Schuck. Superfluid nuclear matter in BCS theory and beyond. chinese physics, 2009, 33, pp.33-36. ⟨10.1088/1674-1137/33/S1/011⟩. ⟨in2p3-00424250⟩

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