paper

Chiral density waves in quark matter within the Nambu--Jona-Lasinio model in an external magnetic field

arXiv:1007.2984 · doi:10.1103/PhysRevD.82.076002

Abstract

A possibility of formation of static dual scalar and pseudoscalar density wave condensates in dense quark matter is considered for the Nambu--Jona-Lasinio model in an external magnetic field. Within a mean-field approximation, the effective potential of the theory is obtained and its minima are numerically studied; a phase diagram of the system is constructed. It is shown that the presence of a magnetic field favors the formation of spatially inhomogeneous condensate configurations at low temperatures and arbitrary non-zero values of the chemical potential.

13 pages, 4 figures

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