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Phys. Rev. D 70, 051501(R) (2004) [5 pages]

Chromomagnetic instability in dense quark matter

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Mei Huang and Igor A. Shovkovy*
Institut für Theoretische Physik, J. W. Goethe-Universität, D-60054 Frankurt am Main, Germany

Received 5 July 2004; published 20 September 2004

The results for the Debye and Meissner screening masses of the gluons and the photon in the case of neutral and β-equilibrated dense two-flavor quark matter are presented. In the limits of the normal phase and the ideal two-flavor color superconducting phase, the screening masses coincide with the known results. Most interestingly, we find that the Meissner screening masses squared can be negative, indicating a plasma-type chromomagnetic instability in dense quark matter.

© 2004 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevD.70.051501
DOI:
10.1103/PhysRevD.70.051501
PACS:
12.38.Mh, 12.38.Aw, 26.60.+c

*On leave from: Bogolyubov Institute for Theoretical Physics, 03143, Kiev, Ukraine.