The Schwinger pair production rate in confining theories via holography
Abstract
We study the Schwinger pair production in confining theories. The production rate in an external electric field E is numerically evaluated by using the holographic description. There exist two kinds of critical values of the electric field, i) E=Ec, above which there is no potential barrier and particles are freely generated, ii) E=Es, below which the confining string tension dominates the electric field and the pair production does not occur. We argue the universal exponents associated with the critical behaviors.
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