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Deconfinement Phase Transition with External Magnetic Field in the Friedberg–Lee Model |
| Shi-Jun Mao** |
School of Science, Xian Jiaotong University, Xi'an 710049
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| Cite this article: |
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Shi-Jun Mao 2016 Chin. Phys. Lett. 33 112501 |
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Abstract The deconfinement phase transition with external magnetic field is investigated in the Friedberg–Lee model. We expand the potential around the two local minima of the first-order deconfinement phase transition and extract the ground state of the system in the frame of functional renormalization group. By solving the flow equations we find that the magnetic field displays a catalysis effect and it becomes more difficult to break through the confinement.
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Received: 08 June 2016
Published: 28 November 2016
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| PACS: |
25.75.Nq
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(Quark deconfinement, quark-gluon plasma production, and phase transitions)
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64.60.ae
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(Renormalization-group theory)
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24.85.+p
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(Quarks, gluons, and QCD in nuclear reactions)
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| Fund: Supported by the National Natural Science Foundation of China under Grant No 11405122, and the China Postdoctoral Science Foundation under Grant No 2014M550483. |
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