Schwinger Effect and Negative Differential Conductivity in Holographic Models

Abstract

The consequences of the Schwinger effect for conductivity is computed for strong coupling systems using holography. The one loop diagram on the flavor brane introduces an $O(\frac{\lambda }{N_c})$ imaginary part in the effective action for a Maxwell flavor gauge field. This in turn introduces a real conductivity in an otherwise insulating phase of the boundary theory. Moreover in certain regions of parameter space the differential conductivity is negative. This is computed in the context of the Sakai-Sugimoto model.

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Cited by in corpus (9)

• Holographic Schwinger effect in de Sitter space
• Potential analysis of holographic Schwinger effect in the magnetized background
• Effect of gluon condensate on holographic Schwinger effect
• Holographic Schwinger effect in a confining D3-brane background with chemical potential
• Holographic Schwinger effect with a moving D3-brane
• Holographic Schwinger effect in a rotating strongly coupled medium
• On Holographic Non-relativistic Schwinger Effect
• $R^2$ corrections to holographic Schwinger effect
• Holographic Schwinger effect in a soft wall AdS/QCD model