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Jafari M. Two-dimensional free massless Fermi theory at finite chemical potential in the Thermo-field Dynamics approach. ICOP & ICPET _ INPC _ ICOFS 2015; 21 :321-324
URL: http://opsi.ir/article-1-515-en.html
URL: http://opsi.ir/article-1-515-en.html
Imam KHomeini University of Ghazvin
Abstract: (4380 Views)
- A free massless fermion field at finite chemical potential and time varying temperature are considered and in thermo-field dynamics the expectation value of 2n-point functions as the thermodynamic average are computed. It was observed that the Fermi fields under consideration, was able to factorize the chemical potential dependence of the two-point functions in to an exponential pre-factor .
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