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Massless Limit of Transport Theory for Massive Fermions

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 نشر من قبل Xingyu Guo
 تاريخ النشر 2020
  مجال البحث
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 تأليف Xingyu Guo




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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 $hbar$. Then we discussed the possible physical meaning of the vanishing and non-vanishing parts, and their different behavior at thermal equilibrium.

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