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Nucleon Mass Splitting at Finite Isospin Chemical Potential

Authors :
Chang Sheng
Liu Ji-Feng
Zhuang Peng-Fei
Source :
Chinese Physics Letters. 25:55-57
Publication Year :
2008
Publisher :
IOP Publishing, 2008.

Abstract

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.<br />Comment: 3 pages and no figures

Subjects

Subjects :
Physics
Nuclear Theory
High Energy Physics::Lattice
High Energy Physics::Phenomenology
Phase (waves)
FOS: Physical sciences
General Physics and Astronomy
Nuclear Theory (nucl-th)
Nuclear physics
Isospin
Neutron
Symmetry breaking
Nuclear Experiment
Nucleon
Nuclear theory

Details

ISSN :
17413540 and 0256307X
Volume :
25
Database :
OpenAIRE
Journal :
Chinese Physics Letters
Accession number :
edsair.doi.dedup.....1669339d20eb434dc55de6f18e3c6a22

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