Massive quark effects in two flavor color superconductors

Details Massive quark effects in two flavor color superconductors Massive quark effects in two flavor color superconductors

2002-09-10

arxiv.org/abs/hep-ph/0209105v2

Phys.Lett. B547 (2002) 229-238

Physics

High Energy Physics

High Energy Physics - Phenomenology

Latex file. 14 pages, 2 figures. Some improvement in the presentation. 2 references added. Final version to be published in Ph

Scientific paper

10.1016/S0370-2693(02)02757-0

The high density effective theory formalism (HDET) is employed to describe high density QCD with two massive flavors (2SC). The gap equation is derived and explicitly solved for the gap parameter. The parameters associated to the pseudo Nambu-Goldstone boson of $U(1)_A$ are evaluated in the limit $\mu\to\infty$ and $m/\mu$ fixed. In particular we find for the velocity of the NG boson the relation $v^2=\sqrt{\mu_1^2-m_1^2}\sqrt{\mu_2^2-m_2^2}/3\mu_1\mu_2$.

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