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Chromomagnetic instability and induced magnetic field in neutral two-flavor color superconductivity

Efrain J. Ferrer and Vivian de la Incera

  • Department of Physics, Western Illinois University, Macomb, Illinois 61455, USA

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Phys. Rev. D 76, 114012 – Published 17 December, 2007

DOI: https://doi.org/10.1103/PhysRevD.76.114012

Abstract

We find that the chromomagnetic instability existing in neutral two-flavor color superconductivity at moderate densities is removed by the formation of an inhomogeneous condensate of charged gluons and the corresponding induction of a magnetic field. It is shown that this inhomogeneous ground state is energetically favored over a homogeneous one. The spontaneous induction of a magnetic field in a color superconductor at moderate densities can be of interest for the astrophysics of compact stellar objects exhibiting strong magnetic fields as magnetars.

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Phys. Rev. D 76, 114012– Published 17 December, 2007
  • Received 23 May 2007

© 2007 American Physical Society

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