Analytic expressions for quark pressure and magnetic susceptibility of dense quark-gluon plasma in strong magnetic fields are derived within the Field Correlator Method, predicting strong paramagnetism.
Nonperturbative QCD thermodynamics in the external magnetic field
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abstract
The thermodynamics of quarks and gluons strongly depends on the vacuum colormagnetic field, which grows with the temperature $T$, so that spatial string tension $\sigma_s ={\rm const}~ g^4 (T) T^2$. We investigate below what happens when one imposes in addition constant magnetic field and discover remarkable structure of the resulting thermodynamic potential.
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Dense Quark-Gluon Plasma in strong magnetic fields
Analytic expressions for quark pressure and magnetic susceptibility of dense quark-gluon plasma in strong magnetic fields are derived within the Field Correlator Method, predicting strong paramagnetism.