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Phase Diagram of Neutron-Proton Condensate in Asymmetric Nuclear Matter

Meng Jin, Lianyi He, Pengfei Zhuang

nucl-tharXiv:nucl-th/0609065

Abstract

We investigate the phase structure of homogeneous and inhomogeneous neutron-proton condensate in isospin asymmetric nuclear matter. At extremely low nuclear density the condensed matter is in homogeneous phase at any temperature, while in general case it is in Larkin-Ovchinnikov-Fulde -Ferrell phase at low temperature. In comparison with the homogeneous superfluid, the inhomogeneous superfluid can survive at higher nuclear density and higher isospin asymmetry.

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