Nonlocal Nonstabilizerness from Holographic Schwinger Pair Production

arXiv:2605.04210v2 Announce Type: replace-cross Abstract: We analyze the emergence of nonlocal magic in Schwinger pair creation in strong non-Abelian (chromo)electric fields using holography. The produced quark--antiquark pair is entangled into a color singlet, yet accelerates into causally disconnected Rindler wedges. Using the Casini--Huerta--Myers conformal mapping and the probe-brane framework, we compute the refined R\'enyi entropy and its derivative, which captures the antiflatness of the entanglement spectrum for a spherical bipartition. We find that for boundary spacetime dimension $d>2$, the entanglement spectrum is non-flat, implying the dynamical generation of nonlocal magic in the pair creation process. Interestingly, the nonlocal magic in the holographic dual can be obtained from the free energy of the probe action.

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