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arXiv · 1212.2606

Quantum hair and the string-black hole correspondence

Gabriele Veneziano
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Abstract

We consider a thought experiment in which an energetic massless string probes a "stringhole" (a heavy string lying on the correspondence curve between strings and black holes) at large enough impact parameter for the regime to be under theoretical control. The corresponding, explicitly unitary, $S$-matrix turns out to be perturbatively sensitive to the microstate of the stringhole: in particular, at leading order in $l_s/b$, it depends on a projection of the stringhole's Lorentz-contracted quadrupole moment. The string-black hole correspondence is therefore violated if one assumes quantum hair to be exponentially suppressed as a function of black-hole entropy. Implications for the information paradox are briefly discussed.

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Gabriele Veneziano. 2012-12-11. Quantum hair and the string-black hole correspondence. https://doi.org/10.1088/0264-9381%2F30%2F9%2F092001

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