Upper and lower bounds on the integrated null energy in gravity
Sign Up to like & getrecommendations! Published in 2019 at "Journal of High Energy Physics"
DOI: 10.1007/jhep01(2019)133
Abstract: A bstractWe prove a lower bound on the integrated null energy along achronal geodesic segments using induced gravity on a brane in AdS/CFT. The bound follows from the assumption that bulk causality respects brane causality,… read more here.
Keywords: integrated null; bound; gravity; null energy ... See more keywords
A conformal collider for holographic CFTs
Sign Up to like & getrecommendations! Published in 2018 at "Journal of High Energy Physics"
DOI: 10.1007/jhep10(2018)156
Abstract: A bstractWe develop a formalism to study the implications of causality on OPE coefficients in conformal field theories with large central charge and a sparse spectrum of higher spin operators. The formalism has the interpretation… read more here.
Keywords: null energy; collider; conformal collider; energy operator ... See more keywords
Intermittent null energy condition violations during inflation and primordial gravitational waves
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DOI: 10.1103/physrevd.103.083521
Abstract: Primordial null energy condition (NEC) violation would imprint a blue-tilted spectrum on gravitational wave background (GWB). However, its implications on the GWB might be far richer than expected. We present a scenario, in which after… read more here.
Keywords: primordial gravitational; null energy; energy condition; inflation ... See more keywords
Wormholes in generalized hybrid metric-Palatini gravity obeying the matter null energy condition everywhere
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DOI: 10.1103/physrevd.98.064054
Abstract: Wormhole solutions in a generalized hybrid metric-Palatini matter theory, given by a gravitational Lagrangian $f\left(R,\cal{R}\right)$, where $R$ is the metric Ricci scalar, and $\mathcal{R}$ is a Palatini scalar curvature defined in terms of an independent… read more here.
Keywords: null energy; matter; palatini; generalized hybrid ... See more keywords
Erasure Tolerant Quantum Memory and the Quantum Null Energy Condition in Holographic Systems.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review letters"
DOI: 10.1103/physrevlett.129.191601
Abstract: Investigating principles for storage of quantum information at finite temperature with minimal need for active error correction is an active area of research. We bear upon this question in two-dimensional holographic conformal field theories via… read more here.
Keywords: energy; temperature; quantum null; null energy ... See more keywords