The gravitational path integral from an observer’s point of view
Sign Up to like & getrecommendations! Published in 2025 at "Journal of High Energy Physics"
DOI: 10.1007/jhep05(2025)059
Abstract: One of the fundamental problems in quantum gravity is to describe the experience of a gravitating observer in generic spacetimes. In this paper, we develop a framework for describing non-perturbative physics relative to an observer… read more here.
Keywords: hilbert space; black hole; physics; gravitational path ... See more keywords
On the lapse contour in the gravitational path integral
Sign Up to like & getrecommendations! Published in 2024 at "Physical Review D"
DOI: 10.1103/physrevd.111.066014
Abstract: The gravitational path integral is usually implemented with a covariant action by analogy with other gauge field theories, but the gravitational case is different in important ways. A key difference is that the integrand has… read more here.
Keywords: path integral; lapse contour; lapse; gravitational path ... See more keywords