The Influence of an External Chromomagnetic Field on Color Superconductivity

Physical Review D (Impact Factor: 4.64). 06/2001; 65(5). DOI: 10.1103/PhysRevD.65.054024
Source: arXiv


We study the competition of quark-antiquark and diquark condensates under the influence of an external chromomagnetic field modelling the gluon condensate and in dependence on the chemical potential and temperature. As our results indicate, an external chromomagnetic field might produce remarkable qualitative changes in the picture of the color superconducting (CSC) phase formation. This concerns, in particular, the possibility of a transition to the CSC phase and diquark condensation at finite temperature. Comment: 27 pages, RevTex, 8 figures; the version accepted for the publication in PRD (few references added; new numerical results added; main conclusions are not changed)

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