Pion condensation in a dense neutrino gas

Details Pion condensation in a dense neutrino gas Pion condensation in a dense neutrino gas

2009-01-16

arxiv.org/abs/0901.2477v2

Eur.Phys.J.C64:123-131,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, 7 figures. Modifications to Section II, IIIc, and IV

Scientific paper

10.1140/epjc/s10052-009-1121-0

We argue that using an equilibrated gas of neutrinos it is possible to probe the phase diagram of QCD for finite isospin and small baryon chemical potentials. We discuss this region of the phase diagram in detail and demonstrate that for large enough neutrino densities a Bose-Einstein condensate of positively charged pions arises. Moreover, we show that for nonzero neutrino density the degeneracy in the lifetimes and masses of the charged pions is lifted.

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