Quark mass effect on axial charge dynamics

  title={Quark mass effect on axial charge dynamics},
  author={Er-dong Guo and S. Lin},
  journal={Physical Review D},
  • Er-dong Guo, S. Lin
  • Published 2016
  • Physics
  • Physical Review D
  • We studied effect of finite quark mass on the dynamics of axial charge using the D3/D7 model in holography. The mass term in axial anomaly equation affects both the fluctuation (generation) and dissipation of axial charge. We studied the dependence of the effect on quark mass and external magnetic field. For axial charge generation, we calculated the mass diffusion rate, which characterizes the helicity flipping rate. The rate is a non-monotonous function of mass and can be significantly… CONTINUE READING
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