Massless Limit of Transport Theory for Massive Fermions

Abstract

We studied the $m=0$ limit of different components of Wigner functions for massive fermions. Comparing with the chiral kinetic theory, we separated the vanishing part and non-vanishing part for vector and axial vector components, up to the first order of $\hslash$. Then we discussed the possible physical meaning of the vanishing and non-vanishing parts, and their different behavior at thermal equilibrium.

arXiv comment13 pages, 0 figures, accepted by Chinese Physics C

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Cited by in corpus (13)

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• Foundations and Applications of Quantum Kinetic Theory
• Spin polarization dynamics in the Gubser-expanding background
• Spin Polarization Formula for Dirac Fermions at Local Equilibrium
• Quantum Kinetic Theory for Quantum Electrodynamics
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• Thermodynamics of the system of massive Dirac fermions in a uniform magnetic field
• Quantum Kinetic Theory with Vector and Axial Gauge Fields
• Dilepton Helical Production in a Vortical Quark-Gluon Plasma