We develop a covariant kinetic theory for massive fermions in a curved spacetime and an external electromagnetic field based on quantum field theory.We derive four coupled semi-classical kinetic equations accurate to ...We develop a covariant kinetic theory for massive fermions in a curved spacetime and an external electromagnetic field based on quantum field theory.We derive four coupled semi-classical kinetic equations accurate to O(ℏ),which describe the transports of particle number and spin degrees of freedom.The relationship with chiral kinetic theory is discussed.As an application,we study spin polarization in the presence of finite Riemann curvature and an electromagnetic field in both local and global equilibrium states.展开更多
We studied the m=0 limit of different components of Wigner functions for massive fermions. Comparingwith the chiral kinetic theory, we separated the vanishing and non-vanishing parts of vector and axial-vector compone...We studied the m=0 limit of different components of Wigner functions for massive fermions. Comparingwith 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-vanishingparts and their different behaviors at thermal equilibrium.展开更多
基金X.-G.H.was supported by NSFC(11535012,11675041)K.M.was supported by the China Postdoctoral Science Foundation(2017M621345)。
文摘We develop a covariant kinetic theory for massive fermions in a curved spacetime and an external electromagnetic field based on quantum field theory.We derive four coupled semi-classical kinetic equations accurate to O(ℏ),which describe the transports of particle number and spin degrees of freedom.The relationship with chiral kinetic theory is discussed.As an application,we study spin polarization in the presence of finite Riemann curvature and an electromagnetic field in both local and global equilibrium states.
文摘We studied the m=0 limit of different components of Wigner functions for massive fermions. Comparingwith 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-vanishingparts and their different behaviors at thermal equilibrium.
