Staff Members - Benha University
QCD Thermodynamics and Magnetization in Non-Zero Magnetic Field
to appear in advances in high energy physics • 2016
Publication Information
Authors
Abdel Nasser TAWFIK, Abdel Magied DIAB, and Nada Ezzelarab, Asmaa G. Shalaby
Keywords
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Journal
to appear in advances in high energy physics
Publisher
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Volume
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Issue
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Pages
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publication.type
International
Paper Link
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Supplementary Materials
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Abstract
In non-zero magnetic field, the magnetic properties and thermodynamics of the quantumchromodynamic
(QCD) matter is studied in the hadron resonance gas and the Polyakov linear-sigma
models and compared with recent lattice calculations. Both models are fairly suited to describe the
degrees of freedom in the hadronic phase. The partonic ones are only accessible by the second one.
It is found that the QCD matter has paramagnetic properties, which monotonically depend on the
temperature and are not affected by the phase transition. Furthermore, raising the magnetic field
strength increases the thermodynamic quantities, especially in the hadronic phase but reduces the
critical temperature, i.e. inverse magnetic catalysis.
(QCD) matter is studied in the hadron resonance gas and the Polyakov linear-sigma
models and compared with recent lattice calculations. Both models are fairly suited to describe the
degrees of freedom in the hadronic phase. The partonic ones are only accessible by the second one.
It is found that the QCD matter has paramagnetic properties, which monotonically depend on the
temperature and are not affected by the phase transition. Furthermore, raising the magnetic field
strength increases the thermodynamic quantities, especially in the hadronic phase but reduces the
critical temperature, i.e. inverse magnetic catalysis.