Bornyakov, V. G. and Buividovich, P. V. and Cundy, N. and Kochetkov, O. A. and Schaefer, A. (2014) Deconfinement transition in two-flavor lattice QCD with dynamical overlap fermions in an external magnetic field. PHYSICAL REVIEW D, 90 (3): 034501. ISSN 1550-7998, 1550-2368
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We study the influence of an external magnetic field on the deconfinement transition in two-flavor lattice QCD with physical quark charges. We use dynamical overlap fermions without any approximation such as fixed topology and perform simulations on a 16(3) x 6 lattice and at a pion mass around 500 MeV. The pion mass (as well as the lattice spacing) was determined in independent runs on 12(3) x 24 lattices. We consider two temperatures, one of which is close to the deconfinement transition and the other of which is above. Within our limited statistics, the dependence of the Polyakov loop and chiral condensate on the magnetic field supports the "inverse magnetic catalysis" scenario in which the transition temperature decreases as the field strength grows for temperature not to far above the critical temperature.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | CHIRAL PHASE-TRANSITION; HYBRID MONTE-CARLO; NUMERICAL-METHODS; DIRAC OPERATOR; GAUGE-THEORIES; QUANTUM; MASSES; MODEL; |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Theroretical Physics > Chair Professor Schäfer > Group Andreas Schäfer |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 03 Sep 2019 11:58 |
| Last Modified: | 03 Sep 2019 11:58 |
| URI: | https://pred.uni-regensburg.de/id/eprint/9750 |
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