Color Dynamics in External Fields
arXiv:hep-lat/0505007 · doi:10.1088/1126-6708/2005/08/079
Abstract
We investigate the vacuum dynamics of U(1), SU(2), and SU(3) lattice gauge theories in presence of external (chromo)magnetic fields, both in (3+1) and (2+1) dimensions. We find that the critical coupling for the phase transition in compact U(1) gauge theory is independent of the strength of an external magnetic field. On the other hand we find that, both in (3+1) and (2+1) dimensions, the deconfinement temperature for SU(2) and SU(3) gauge systems in a constant abelian chromomagnetic field decreases when the strength of the applied field increases. We conclude that the dependence of the deconfinement temperature on the strength of an external constant chromomagnetic field is a peculiar feature of non abelian gauge theories and could be useful to get insight into color confinement.
26 pages, 14 figures
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- The Dual Meissner Effect and Magnetic Displacement Currents
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- Magnetic Susceptibility of Strongly Interacting Matter across the Deconfinement Transition
- Strong-Field Physics in QED and QCD: From Fundamentals to Applications
- Quark Matter in a Strong Magnetic Background
- Chromoelectric flux tubes in QCD
- Chiral Symmetry Breaking on the Lattice
- QCD dynamics in a constant chromomagnetic field
- Probing the QCD vacuum with an abelian chromomagnetic field: A study within an effective model
- Neutral gluon polarization tensor in color magnetic background at finite temperature
- Spontaneous creation of chromomagnetic field and A_0-condensate at high temperature on a lattice
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- P-stars in the gravitational wave era