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Puhr M, Buividovich PV. Numerical Study of Nonperturbative Corrections to the Chiral Separation Effect in Quenched Finite-Density QCD. Phys Rev Lett. 2017;118(19):192003doi: 10.1103/PhysRevLett.118.192003.
Puhr, M., & Buividovich, P. V. (2017). Numerical Study of Nonperturbative Corrections to the Chiral Separation Effect in Quenched Finite-Density QCD. Physical review letters, 118(19), 192003. https://doi.org/10.1103/PhysRevLett.118.192003
Puhr, Matthias, and Buividovich, P V. "Numerical Study of Nonperturbative Corrections to the Chiral Separation Effect in Quenched Finite-Density QCD." Physical review letters vol. 118,19 (2017): 192003. doi: https://doi.org/10.1103/PhysRevLett.118.192003
Puhr M, Buividovich PV. Numerical Study of Nonperturbative Corrections to the Chiral Separation Effect in Quenched Finite-Density QCD. Phys Rev Lett. 2017 May 12;118(19):192003. doi: 10.1103/PhysRevLett.118.192003. Epub 2017 May 10. PMID: 28548526.
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Phys Rev Lett. 2017 May 12;118(19):192003. doi: 10.1103/PhysRevLett.118.192003. Epub 2017 May 10.

Numerical Study of Nonperturbative Corrections to the Chiral Separation Effect in Quenched Finite-Density QCD.

Physical review letters

Matthias Puhr, P V Buividovich

Affiliations

  1. Institute of Theoretical Physics, Regensburg University, 93040 Regensburg, Germany.

PMID: 28548526 DOI: 10.1103/PhysRevLett.118.192003

Abstract

We demonstrate the nonrenormalization of the chiral separation effect (CSE) in quenched finite-density QCD in both confinement and deconfinement phases using a recently developed numerical method which allows us, for the first time, to address the transport properties of exactly chiral, dense lattice fermions. This finding suggests that CSE can be used to fix renormalization constants for axial current density. Explaining the suppression of the CSE which we observe for topologically nontrivial gauge field configurations on small lattices, we also argue that CSE vanishes for self-dual non-Abelian fields inside instanton cores.

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