Chiral Properties of QCD Vacuum in Magnetars- A Nambu-Jona-Lasinio Model
  with Semi-Classical Approximation

C. Thompson; D. G. Yakovlev; J. van Paradihs; Soma Mandal; Somenath Chakrabarty; Sutapa Ghosh; T. Inagaki

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Chiral Properties of QCD Vacuum in Magnetars- A Nambu-Jona-Lasinio Model with Semi-Classical Approximation

Authors: C. Thompson
D. G. Yakovlev
J. van Paradihs
Soma Mandal
Somenath Chakrabarty
Sutapa Ghosh
T. Inagaki
Publication date: 6 July 2005
Publisher: 'American Physical Society (APS)'
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Abstract

The breaking of chiral symmetry of light quarks at zero temperature in presence of strong quantizing magnetic fiels is studied using Nambu-Jona-Lasinio (NJL) model with Thomas-Fermi type semi-classical formalism. It is found that the dynamically generated light quark mass can never become zero if the Landau levels are populated and the mass increases with the increase of magnetic field strength.Comment: REVTEX 11 Pages, One .eps figure (included

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