The mesonic spectrum of a supersymmetric color superconductor contains type II Goldstone modes with quadratic dispersion, a pseudo-Goldstone of mass 2Mq, and extra gapless modes from supersymmetric moduli.
Holographic QCD with Isospin Chemical Potential
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abstract
We consider configurations of D4-D8-\bar D8 branes which correspond to large N QCD with non-vanishing temperature and chemical potential for baryon number and isospin. We study the holographic dual of this model and find a rich phase structure. The phases, distinguished by the values of quark condensates, are separated by the surfaces of first order phase transitions. The picture is in many respects similar to the expected phase structure of QCD in the chiral limit.
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Spectrum of a Supersymmetric Color Superconductor
The mesonic spectrum of a supersymmetric color superconductor contains type II Goldstone modes with quadratic dispersion, a pseudo-Goldstone of mass 2Mq, and extra gapless modes from supersymmetric moduli.