Anisotropy of the QQ potential in a magnetic field

Bonati, C. and D'Elia, M. and Mariti, M. and Mesiti, M. and Negro, F. and Sanfilippo, F. (2015) Anisotropy of the QQ potential in a magnetic field. Il nuovo cimento C, 38 (1). pp. 1-3. ISSN 1826-9885

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We study how the static quark-antiquark potential for Nf = 2+1 QCD at the physical point gets modified by the presence of a constant and uniform magnetic field. We observe an anisotropy to appear in the potential: it gets steeper in the directions transverse to the magnetic field than in the longitudinal one. By comparing to the case with zero magnetic field, we show that the string tension increases (decreases) in the perpendicular (parallel) direction, while the absolute value of the Coulomb coupling and the Sommer parameter show the opposite behavior.

Item Type: Article
Uncontrolled Keywords: Lattice gauge theory ; General properties of QCD (dynamics, confinement, etc.) ; Lattice QCD calculations ; Quark-gluon plasma
Subjects: 500 Scienze naturali e Matematica > 530 Fisica
Depositing User: Marina Spanti
Date Deposited: 27 May 2020 14:57
Last Modified: 27 May 2020 14:57

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