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Phys. Rev. Lett. 96, 022005 (2006) [4 pages]

Neutral Larkin-Ovchinnikov-Fulde-Ferrell State and Chromomagnetic Instability in Two-Flavor Dense QCD

E. V. Gorbar, Michio Hashimoto, and V. A. Miransky
Department of Applied Mathematics, University of Western Ontario, London, Ontario N6A 5B7, Canada
Received 2 October 2005; published 19 January 2006

In two-flavor dense quark matter, we describe the dynamics in the single plane wave Larkin-Ovchinnikov-Fulde-Ferrell (LOFF) state satisfying the color and electric neutrality conditions. We find that because the neutral LOFF state itself suffers from a chromomagnetic instability in the whole region where it coexists with the (gapped or gapless) two-flavor superconducting phases, it cannot cure this instability in those phases. This is unlike the recently revealed gluonic phase which seems to be able to resolve this problem.

©2006 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevLett.96.022005
DOI: 10.1103/PhysRevLett.96.022005
PACS: 12.38.-t; 11.15.Ex; 11.30.Qc
  • 12.38.-t
    Quantum chromodynamics
  • 11.15.Ex
    Spontaneous breaking of gauge symmetries
  • 11.30.Qc
    Spontaneous and radiative symmetry breaking in particles and fields
  • YEAR: 2006
KEYWORDS: quantum chromodynamics, quark matter, flavour model

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