Lattice QCD simulation at finite chiral chemical potential
Arata Yamamoto
TL;DR
This paper uses lattice QCD simulations with a chiral chemical potential to study the chiral magnetic effect, demonstrating that magnetic fields induce electric currents in chirally imbalanced matter, aligning with theoretical predictions.
Contribution
It introduces the use of chiral chemical potential in lattice QCD to investigate the chiral magnetic effect without the sign problem.
Findings
Magnetic fields induce electric currents in chirally imbalanced QCD.
The induced current matches analytical predictions.
Chiral chemical potential does not cause the sign problem in simulations.
Abstract
Chiral chemical potential does not cause the sign problem in the Monte Carlo simulation of lattice QCD. Using the chiral chemical potential, we study the chiral magnetic effect in two-flavor full QCD. We show that a strong external magnetic field induces an electric current in a chirally imbalanced QCD matter. The qualitative feature of the induced current is consistent with an analytical prediction.
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Taxonomy
TopicsHigh-Energy Particle Collisions Research · Quantum Chromodynamics and Particle Interactions · Theoretical and Computational Physics