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Quantum State of the Asymptotic Gravity Field from BRST Quantization
Xavier Calmet, Stephen D. H. Hsu
We derive the quantum state of the asymptotic linearized gravity field of a compact energy source, using BRST quantization. Barnich has previously derived the quantum state of the…
Leading order effective operators in quantum gravity
Tommaso Antonelli, Xavier Calmet, Stephen D. H. Hsu
We explore the nature of higher dimensional operators generated by quantum gravity. Calculating the tree-level and one-loop effective operators generated by graviton exchange betwe…
Black Hole Information, Replica Wormholes, and Macroscopic Entanglement
Xavier Calmet, Stephen D. H. Hsu
In this invited review, we discuss the evaporation of a black hole, with emphasis on the resulting macroscopically distinct patterns of Hawking radiation. The density matrix of thi…
Replica Wormholes and Quantum Hair
Xavier Calmet, Stephen D. H. Hsu
We discuss recent applications of Euclidean path integrals to the black hole information problem. In calculations with replica wormholes as the next-to-leading order correction to…