Effects of a strong magnetic field on the QCD flux tube
In this work we investigate the effect of an external magnetic field B on the shape of flux tubes in QCD by means of lattice simulations, performed with Nf=2+1 flavors of stout improved dynamical staggered quarks with physical masses. After having discussed some difficulties in the practical definit...
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| Veröffentlicht in: | Physical review. D 2018-09, Vol.98 (5), Article 054501 |
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| creator | Bonati, Claudio Calì, Salvatore D’Elia, Massimo Mesiti, Michele Negro, Francesco Rucci, Andrea Sanfilippo, Francesco |
| description | In this work we investigate the effect of an external magnetic field B on the shape of flux tubes in QCD by means of lattice simulations, performed with Nf=2+1 flavors of stout improved dynamical staggered quarks with physical masses. After having discussed some difficulties in the practical definition of the flux tube at B=0, we show that these ambiguities do not affect the determination of the flux tube modifications induced by the magnetic field. Different results are obtained depending on the relative orientations of the flux tube and of the magnetic field: they confirm that the magnetic field acts as a transverse confinement catalyzer and longitudinal confinement inhibitor; moreover, the flux tube itself loses its axial symmetry when it is not directed along the magnetic background. |
| doi_str_mv | 10.1103/PhysRevD.98.054501 |
| format | Article |
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| ispartof | Physical review. D, 2018-09, Vol.98 (5), Article 054501 |
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| subjects | Confinement Flavor (particle physics) Flux Magnetic fields Quantum chromodynamics Tubes |
| title | Effects of a strong magnetic field on the QCD flux tube |
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