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arxiv: hep-th/0201104 · v1 · submitted 2002-01-15 · ✦ hep-th

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A Lorentzian cure for Euclidean troubles

J. Ambjorn (NBI , Copenhagen) , A. Dasgupta (AEI , Golm) , J. Jurkiewicz (U. Krakow) , R. Loll (U. Utrecht)
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classification ✦ hep-th
keywords lorentzianactionapproachcomescomingconformalconstructioncontinuum
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There is strong evidence coming from Lorentzian dynamical triangulations that the unboundedness of the gravitational action is no obstacle to the construction of a well-defined non-perturbative path integral. In a continuum approach, a similar suppression of the conformal divergence comes about as the result of a non-trivial path-integral measure.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. How to tame your (black hole) saddles: Lessons from the Lorentzian Gravitational Path Integral

    hep-th 2026-03 accept novelty 6.0

    A Lorentzian path integral contour for charged AdS black holes selects a finite subset of complex saddles via Picard-Lefschetz theory, ensuring the semiclassical sum converges at finite β.