Power corrections and gradient expansion in QED transport theory
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DOI: 10.1103/physrevd.104.056031
Abstract: The hard thermal loop (HTL) effective field theory of QED can be derived from the classical limit of transport theory, corresponding to the leading term in a gradient expansion of the quantum approach. In this… read more here.
Keywords: transport theory; theory; power corrections; gradient expansion ... See more keywords
Crystalline phases by an improved gradient expansion technique
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DOI: 10.1103/physrevd.97.036009
Abstract: We develop an innovative technique for studying inhomogeneous phases with a spontaneous broken symmetry. The method relies on the knowledge of the exact form of the free energy in the homogeneous phase and on a… read more here.
Keywords: technique; expansion; phases improved; gradient expansion ... See more keywords