QED effective action at finite temperature and density

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The QED effective action at finite temperature and density is calculated to all orders in an external homogeneous and time-independent magnetic field in the weak coupling limit. The free energy, obtained explicitly, exhibit the expected de\ Haas -- van\ Alphen oscillations. An effective coupling at finite temperature and density is derived in a closed form and is compared with renormalization group results.
10 pages, Latex, NORDITA-93/35 P, Goteborg ITP 92-22

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High Energy Physics - Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/179700

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-th/9305004
 http://arxiv.org/abs/hep-th/9305004
 Phys.Rev.Lett.71:480-483,1993
 doi:10.1103/PhysRevLett.71.480

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