%0 Journal Article %1 Kapusta198915 %A Kapusta, J I %A Landshoff, P V %D 1989 %J J. Phys. G: Nucl. Part. Phys. %K imported %T Finite-temperature field theory %V 15 %X In relativistic theories particle number is not conserved (although both lepton and baryon number are). Therefore when discussing the thermodynamics of a quantum field theory one uses the grand canonical formalism: the entropy S is maximised, keeping fixed the ensemble averages E and N of energy and lepton or baryon number. To implement these constraints two Lagrange multipliers are introduced, beta =1/kT and mu the chemical potential.

@article{Kapusta198915, abstract = {In relativistic theories particle number is not conserved (although both lepton and baryon number are). Therefore when discussing the thermodynamics of a quantum field theory one uses the grand canonical formalism: the entropy S is maximised, keeping fixed the ensemble averages E and N of energy and lepton or baryon number. To implement these constraints two Lagrange multipliers are introduced, beta =1/kT and mu the chemical potential.}, added-at = {2014-09-15T08:49:36.000+0200}, author = {Kapusta, J I and Landshoff, P V}, biburl = {https://www.bibsonomy.org/bibtex/21d7110c8360c054691a6cd9700e67e7f/zhaozhh02}, file = {Kapusta198915.pdf:Kapusta198915.pdf:PDF}, interhash = {73d2fa70269dd5111028306fb0a21557}, intrahash = {1d7110c8360c054691a6cd9700e67e7f}, journal = {J. Phys. G: Nucl. Part. Phys.}, keywords = {imported}, owner = {zhao}, timestamp = {2014-09-15T08:49:36.000+0200}, title = {Finite-temperature field theory}, volume = 15, year = 1989 }