Study ofthe NJL-Model Phase Diagram at Finite Temperature and Chemical Potential<br/>

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Study ofthe NJL-Model Phase Diagram at Finite Temperature and Chemical Potential

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Type of Document: M.Sc. Thesis
Language: Farsi
Document No: 43388 (04)
University: Sharif University of Technology
Department: Physics
Advisor(s): Rouhani, Shahin; Sadooghi, Neda
Abstract:
We calculate NJL-Model free energy throughthe finite- temperature methods.Then according to the energy-gap equation, we determine symmetric and anti-symmetric phases under Chiral Transformation, in different regions of the phase diagram,with chemical potential() and temperature(T)as control parameter. We conclude with comparing the result of the finite temperature expansion to nonzero chemical potential to the result of,T=0 and finite ,andT=μregime.
Keywords:
Broken Symmetry ; Order Parameter ; Phase Transition ; Effective Model ; Chiral Symmetry ; Chiral Phase Transition

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