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Black Holes from Colliding Wavepackets

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arxiv hep-th/0409131 v1 pith:5NAWHKAW submitted 2004-09-13 hep-th gr-qchep-ph

classification hep-thgr-qchep-ph
keywords analysisblackclassicalcollidingquantumtrappedaichelburg-sexlapparent
verification ladder T0 review T1 audit T2 compute T3 formal
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Arguments for black hole formation in collisions of high-energy particles have rested on the emergence of a closed trapped surface in the classical geometry of two colliding Aichelburg-Sexl solutions. Recent analysis has, however, shown that curvatures and quantum fluctuations are large on this apparent horizon, potentially invalidating a semiclassical analysis. We show that this problem is an artifact of the unphysical classical point-particle limit: for a particle described by a quantum wavepacket, or for a continuous matter distribution, trapped surfaces indeed form in a controlled regime.

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Cited by 4 Pith papers

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    hep-th 2025-07 accept novelty 3.0 of 10

    A lecture-note synthesis showing that the same Lipatov vertices and reggeized propagators govern multi-particle production in QCD and gravity, with double-copy, Weinberg soft, and shockwave limits all connected in one...

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