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ON THE q-DEFORMATION OF THE NJL MODEL

V. S. TIMÓTEO, C. L. LIMA
2000 Modern Physics Letters A  

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1999 pre-print arXiv:nucl-th/9905041v1 fatcat:5z3bo6x63bakxmphlgtbte77by
Using a q-deformed fermionic algebra we perform explicitly a deformation of the Nambu-Jona-Lasinio (NJL) Hamiltonian. In the Bogoliubov-Valatin approach we obtain the deformed version of the functional for the total energy, which is minimized to obtain the corresponding gap equation. The breaking of chiral symmetry and its restoration in the limit q → 0 are then discussed.
doi:10.1142/s0217732300000219 fatcat:hjhbey33inc57l5srlu43dl7hy
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V. S. TIMÓTEO, C. L. LIMA. "ON THE q-DEFORMATION OF THE NJL MODEL." Modern Physics Letters A 15.03 (2000) 219-227