Universal aspects of holographic Schwinger effect in general backgrounds

Understand

We consider universal aspects of a holographic Schwinger effect in general backgrounds with an external homogeneous electric field.

• The argument is based on the potential analysis developed in our previous work.
• Under some conditions, there always exists a critical electric field, above which the potential barrier vanishes and the system becomes unstable catastrophically.
• The critical value agrees with the one obtained from the Dirac-Born-Infeld action.