Massless limit of transport theory for massive Fermions *
Xingyu Guo
Abstract
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 and non-vanishing parts of vector and axial-vector components, up to the first order of . Then, we discussed the possible physical meaning of the vanishing and non-vanishing parts and their different behaviors at thermal equilibrium.
Topics & Concepts
PhysicsMassless particleFermionLimit (mathematics)Order (exchange)ThermalQuantum electrodynamicsKinetic energyMathematical physicsTheoretical physicsCurrent (fluid)Wigner distribution functionKinetic theoryQuantum mechanicsKinetic termMeaning (existential)Sign (mathematics)Representation (politics)Classical mechanicsClassical limitFirst orderHigh-Energy Particle Collisions ResearchQuantum Chromodynamics and Particle InteractionsRare-earth and actinide compounds