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Screening masses in a neutral two-flavor color superconductor

Mei Huang, Igor A. Shovkovy

DOI 10.1103/PhysRevD.70.094030 · Physical Review D

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Abstract

The Debye and Meissner screening masses of the gluons and the photon in neutral and β-equilibrated dense two-flavor quark matter are calculated. The results are presented in a general form that can be used in gapped as well as gapless color superconducting phases. The results for the magnetic screening masses indicate that the system develops a chromomagnetic instability. Possible consequences of the instability are discussed.

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