In this paper, we investigate the instability of the quasi-confining gauge theory D3+D(-1) induced by the simultaneous application of constant electric and magnetic fields. According to the gauge-gravity duality, the decay rate due to the presence of external fields can be calculated using the imaginary part of the DBI action. Since the quarks are confined in the theory under study, the decay rate of the quarks, even the massless ones, is nonzero only if the electric field is greater than a threshold value, which is the critical electric field of the theory. We also observe that the application of a constant magnetic field parallel to (perpendicular to) the electric field direction increases (decreases) the decay rate. On the other hand, the dependence of the critical electric field on the magnetic field shows the magnetic catalysis, i.e., the application of the magnetic field enhances the critical electric field above which the Schwinger effect occurs.
Shahkarami,L. (2020). Magnetic catalysis in a confining holographic theory. Iranian Journal of Physics Research, 20(3), 463-470. doi: 10.47176/ijpr.20.3.39131
MLA
Shahkarami,L. . "Magnetic catalysis in a confining holographic theory", Iranian Journal of Physics Research, 20, 3, 2020, 463-470. doi: 10.47176/ijpr.20.3.39131
HARVARD
Shahkarami L. (2020). 'Magnetic catalysis in a confining holographic theory', Iranian Journal of Physics Research, 20(3), pp. 463-470. doi: 10.47176/ijpr.20.3.39131
CHICAGO
L. Shahkarami, "Magnetic catalysis in a confining holographic theory," Iranian Journal of Physics Research, 20 3 (2020): 463-470, doi: 10.47176/ijpr.20.3.39131
VANCOUVER
Shahkarami L. Magnetic catalysis in a confining holographic theory. Dear user; Recently we have changed our software to Sinaweb. If you had already registered with the old site, you may use the same USERNAME but you need to change your password. To do so at the first use, please choose, 2020; 20(3): 463-470. doi: 10.47176/ijpr.20.3.39131
