$θ$-dependence of QCD at Finite Isospin Density

Details $θ$-dependence of QCD at Finite Isospin Density $θ$-dependence of QCD at Finite Isospin Density

2005-10-12

arxiv.org/abs/hep-ph/0510162v1

Phys.Lett. B633 (2006) 721-728

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages, 2 figures

Scientific paper

10.1016/j.physletb.2006.01.001

We probe the $\theta$-dependence of QCD at finite isospin chemical potential $\mu_I$ using the effective chiral Lagrangian approach. The phase diagram in the $\theta$, $\mu_I$ plane is constructed and described in detail in terms of chiral and pion condensates. The physics at $\theta ~ \pi$ is investigated in both the normal and superfluid phase. Finally, the behaviour of the gluon condensate at finite $\mu_I$ is computed.

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