Questions tagged [schwinger-limit]

Subjects that involve hypothetical or real experiments to probe Quantum Electrodynamics in the strong nonlinear regime

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Laser-induced vacuum conductivity in a flat region

Suppose a laser field is engineered such that it is focused with enough intensity $I(k_x, k_y, k_z)$ in an almost bidimensional region of shape $\Delta_x \times \Delta_y \times h_z$ with $h_z \lt\lt \...
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Can a nearly-extremal black hole be stable against Schwinger vacuum breakdown?

I was doing some basic algebra to estimate the range of possible masses $M$ and electric charge $Q$ for a nearly extremal Reissner-Noström black hole. I want to see if the logic is correct the ...