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Magnetized Quark-Gluon Plasma at the LHC

  • Physics of Elementary Particles and Atomic Nuclei. Theory
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Abstract

In QCD, the strengths of the large scale temperature dependent chromomagnetic, B3, B8, and usual magnetic, H fields spontaneously generated in quark-gluon plasma after the deconfinement phase transition (DPT), are estimated. The consistent at high temperature effective potential accounting for the oneloop plus daisy diagrams is used. The heavy ion collisions at the LHC and temperatures T not much higher than the phase transition temperature Td are considered. The critical temperature for the magnetized plasma is found to be Td (H) ∼ 110–120 MeV. This is essentially lower compared to the zero field value Td (H=0) ∼ 160–180 MeV usually discussed in the literature. Due to contribution of quarks, the color magnetic fields act as the sources generating H. The strengths of the fields are B3(T), B8(T) ∼ 1018–1019 G, H(T) ∼ 1016–1017 G for temperatures T ∼ 160–220 MeV. At temperatures T < 110–120 MeV the effective potential minimum value being negative approaches to zero. This is signaling the absence of the background fields and color confinement.

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Authors and Affiliations

  1. Oles Honchar Dnipro National University, Dnipro, 49010, Ukraine

    V. Skalozub & P. Minaiev

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  1. V. Skalozub
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  2. P. Minaiev
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Correspondence to V. Skalozub.

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Skalozub, V., Minaiev, P. Magnetized Quark-Gluon Plasma at the LHC. Phys. Part. Nuclei Lett. 15, 568–575 (2018). https://doi.org/10.1134/S1547477118060171

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  • DOI: https://doi.org/10.1134/S1547477118060171

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