paper

Spinodal instabilities and the distillation effect in nuclear matter under strong magnetic fields

arXiv:0810.3395 · doi:10.1103/PhysRevC.79.015804

Abstract

We study the effect of strong magnetic fields, of the order of - G, on the instability region of nuclear matter at subsaturation densities. Relativistic nuclear models both with constant couplings and with density dependent parameters are considered. It is shown that a strong magnetic field can have large effects on the instability regions giving rise to bands of instability and wider unstable regions. As a consequence we predict larger transition densities at the inner edge of the crust of compact stars with strong magnetic field. The direction of instability gives rise to a very strong distillation effect if the last Landau level is only partially filled. However, for almost completed Landau levels an anti-distillation effect may occur.

16 pages, 13 figures, 3 tables, revised version submitted to Phys. Rev. C

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