Relative entropy and torsion coupling

Bo Ning, Feng Li Lin

研究成果: 雜誌貢獻文章

5 引文 斯高帕斯(Scopus)


We evaluate the relative entropy on a ball region near the UV fixed point of a holographic conformal field theory deformed by a fermionic operator of nonzero vacuum expectation value. The positivity of the relative entropy considered here is implied by the expected monotonicity of the decrease of quantum entanglement under the renormalization group flow. The calculations are done in the perturbative framework of Einstein-Cartan gravity in four-dimensional asymptotic anti-de Sitter space with a postulated standard bilinear coupling between the axial fermion current and torsion. By requiring positivity of relative entropy, our result yields a constraint on axial current-torsion coupling, fermion mass, and equation of state.

期刊Physical Review D
出版狀態已發佈 - 2016 十二月 12

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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