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Effective Action of Vacuum: Semiclassical Approach

2 Pith papers cite this work. Polarity classification is still indexing.

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abstract

We present brief, to great extent pedagogical review on renormalization in curved space-time and of some recent results on the derivation and better understanding of quantum corrections to the action of gravity. The paper is mainly devoted to the semiclassical approach, but we also discuss its importance for quantum gravity and string theory.

fields

gr-qc 1 hep-th 1

years

2026 1 2025 1

representative citing papers

Unveiling horizons in quantum critical collapse

gr-qc · 2025-09-03 · unverdicted · novelty 6.0 · 2 refs

Semiclassical one-loop analysis of solvable near-critical collapse solutions shows quantum corrections selecting a Boulware-like state and producing a growing mode that yields a finite mass gap and a transition to Type I behavior, enforcing weak cosmic censorship.

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