Nucleon Mass Splitting at Finite Isospin Chemical Potential

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We investigate nucleon mass splitting at finite isospin chemical potential in the frame of two flavor Nambu--Jona-Lasinio model. It is analytically proved that, in the phase with explicit isospin symmetry breaking the proton mass decreases and the neutron mass increases linearly in the isospin chemical potential.
3 pages and no figures

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Nuclear Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/201604

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/nucl-th/0702032
 http://arxiv.org/abs/nucl-th/0702032
 Chin.Phys.Lett.25:55-57,2008
 doi:10.1088/0256-307X/25/1/016

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