-
[1]
Kirzhnits D A. Field Theoretical Methods in Many Body Systems. Oxford: Permagon, 1967; Lifshitz E M, Pitaevskii L P. Course on Theoretical Physics-Physical Kinetics: Pergamon Press, New York, 19812 Altherr T, Kainulainen K. Phys. Lett. B, 1991, 262: 79; Altherr T. Z. Phys. C, 1990, 47: 559; Ann. Phys. (NY), 1991, 207: 374; Braaten E. Phys. Rev. Lett., 1991, 66: 2183; Braaten E. Phys. Rev. Lett., 1991, 66: 1655; Altherr T, Kraemmer U. Astroparticle Phys., 1992, 1: 1333 Matsubara T. Prog. Theor. Phys., 1955, 14: 3514 Schwinger J. J. Math. Phys., 1961, 2: 4075 Mills R. Propagators for Many Particle Systems. New York: Gordon and Breach, 19696 Keldysh L V. Sov. Phys., 1964, 20: 10187 Brouder C, Frabetti A. hep-ph/0011161; Brandt F T, Das A, Frenkel J. Phys. Rev. D, 2002, 65: 0850178 Umezawa H, Matsumoto H, Tachiki M. Thermo Field Dy- namics and Condensed States. Amsterdam: North Holland, 1982; Das A. Finite Temperature Field Theory. Singapore: World Scienti c, 19979 Kinoshita T. Math. J. Phys., 1962, 3: 65010 Donoghue J F, Holstein B R. Phys. Rev. D, 1983, 28: 340; Braaten E, Pisarski R D. Nucl. Phys. B, 1990, 337: 567; Kobes R. Phys. Rev. D, 1990, 42: 562; Dolan L, Jackiw R. Phys. Rev. D, 1974, 9: 3320; Landsman P, Weert Ch G. Phys. Rep., 1987, 145: 14111 Ahmed K, Masood S S. Phys. Rev. D, 1987, 35: 1861; 4020; Ahmed K, Masood S S. Ann. Phys. (N.Y.), 1991, 207: 460; Masood S. Phys. Rev. D, 1991, 44: 394312 Masood S S. Phys. Rev. D, 1991, 44: 3943; Masood S S. Phys. Rev. D, 1993, 47: 648; 1987, 36: 260213 Haseeb M Q, Masood S S, Ahmed K. Phys. Rev. D, 1991, 44: 3322; 1992, 46: 563314 Masood S S, Haseeb M Q. Int. J. of Mod. Phys. A, 2008, 23: 470915 Itzykson C, Zuber J B. Quantum Field Theory. McGraw- Hill Inc., 1990