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VOLUME 101 (2015) | ISSUE 7 | PAGE 475
Magnetic susceptibility of the quark matter in QCD
DOI: 10.7868/S0370274X15070012
Abstract
Magnetic susceptibility in the deconfined phase of QCD is calculated in a closed form using a recent general expression for the quark gas pressure in magnetic field. Quark selfenergies are entering the result via Polyakov line factors and ensure the total paramagnetic effect, increasing with temperature. A generalized form of magnetic susceptibility in nonzero magnetic field suitable for experimental and lattice measurements is derived, showing a good agreement with available lattice data.