Electric conductivity with the magnetic field and the chiral anomaly in a holographic QCD model
Kenji Fukushima,
Akitoshi Okutsu
Abstract:We calculate the electric conductivity σ in deconfined QCD matter using a holographic QCD model, i.e., the Sakai-Sugimoto Model with varying magnetic field B and chiral anomaly strength. After confirming that our estimated σ for B = 0 is consistent with the lattice-QCD results, we study the case with B = 0 in which the coefficient α in the Chern-Simons term controls the chiral anomaly strength. Our results imply that the transverse conductivity, σ ⊥ , is suppressed to be 70% at B ∼ 1 GeV 2 as compared to the B… Show more
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