Equivalence of JT gravity and near-extremal black hole dynamics in higher derivative theory
Sign Up to like & getrecommendations! Published in 2022 at "Journal of High Energy Physics"
DOI: 10.1007/jhep01(2022)124
Abstract: Two derivative Jackiw-Teitelboim (JT) gravity theory captures the near-horizon dynamics of higher dimensional near-extremal black holes, which is governed by a Schwarzian action at the boundary in the near-horizon region. The partition function corresponding to… read more here.
Keywords: dynamics higher; black hole; near extremal; higher derivative ... See more keywords
Large D membrane for higher derivative gravity and black hole second law
Sign Up to like & getrecommendations! Published in 2020 at "Journal of High Energy Physics"
DOI: 10.1007/jhep02(2020)083
Abstract: Abstract We derive the effective equations of the membranes dual to black holes in a particular theory of higher derivative gravity namely Einstein-Gauss-Bonnet (EGB) gravity at sub-leading order in 1/D upto linear order in the… read more here.
Keywords: second law; membrane; higher derivative; gravity ... See more keywords
AdS5 holography and higher-derivative supergravity
Sign Up to like & getrecommendations! Published in 2022 at "Journal of High Energy Physics"
DOI: 10.1007/jhep04(2022)088
Abstract: Abstract We study four-derivative corrections to 5d $$ \mathcal{N} $$ N = 2 minimal gauged supergravity using tools from conformal supergravity. There are two supersymmetric invariants at the four-derivative order and we show explicitly how… read more here.
Keywords: four derivative; holography higher; supergravity; higher derivative ... See more keywords
Ghost-free vector superfield actions in supersymmetric higher-derivative theories
Sign Up to like & getrecommendations! Published in 2017 at "Journal of High Energy Physics"
DOI: 10.1007/jhep09(2017)143
Abstract: A bstractWe systematically construct ghost-free higher-derivative actions of Abelian vector supermultiplets in four-dimensional N=1$$ \mathcal{N}=1 $$ global supersymmetric theories. After giving a simple example which illustrates that a naive introduction of a higher-derivative term gives… read more here.
Keywords: term; free vector; ghost free; vector superfield ... See more keywords
$S$ -matrix unitarity and renormalizability in higher-derivative theories
Sign Up to like & getrecommendations! Published in 2019 at "Progress of Theoretical and Experimental Physics"
DOI: 10.1093/ptep/ptz084
Abstract: We investigate the relation between $S$-matrix unitarity ($SS^\dagger=1$) and renormalizability in theories with negative-norm states. The relation has been confirmed in many field theories, including gauge theories and Einstein gravity, by analyzing the unitarity bound,… read more here.
Keywords: matrix unitarity; unitarity renormalizability; unitarity bound; unitarity ... See more keywords
Perturbations in higher derivative gravity beyond maximally symmetric spacetimes
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review D"
DOI: 10.1103/physrevd.100.064022
Abstract: We study (covariant) scalar-vector-tensor (SVT) perturbations of infinite derivative gravity (IDG), at the quadratic level of the action, around conformally-flat, covariantly constant curvature backgrounds which are not maximally symmetric spacetimes (MSS). This extends a previous… read more here.
Keywords: higher derivative; gravity; maximally symmetric; action ... See more keywords
Two-loop effective potential for general higher-derivative superfield models
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review D"
DOI: 10.1103/physrevd.103.025015
Abstract: For a three-dimensional higher-derivative scalar superfield model, and a four-dimensional higher-derivative chiral superfield model, where which the higher-derivative operators are described by polynomials of arbitrary degrees, we explicitly calculate the two-loop effective potential. read more here.
Keywords: loop effective; effective potential; higher derivative; general higher ... See more keywords
More realistic holographic model of color superconductivity with higher derivative corrections
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review D"
DOI: 10.1103/physrevd.104.046006
Abstract: In this paper, we have constructed a bottom-up holographic model for the color superconductivity (CSC) of the Yang-Mills theory with including the higher derivative corrections which allow to study the CSC phase with the color… read more here.
Keywords: holographic model; csc phase; higher derivative; model color ... See more keywords
Higher derivative asymptotic charges and internal Lorentz symmetries
Sign Up to like & getrecommendations! Published in 2022 at "Physical Review D"
DOI: 10.1103/physrevd.105.084037
Abstract: In line with a recent proposal for the study of asymptotic gravitational charges, we investigate higher derivative asymptotic charges. We show that the higher derivative BMS charges are related to the two-derivative BMS charges. Significantly,… read more here.
Keywords: bms charges; higher derivative; derivative bms; asymptotic charges ... See more keywords
Multicritical scalar theories with higher-derivative kinetic terms: A perturbative RG approach with the $\epsilon$-expansion
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review D"
DOI: 10.1103/physrevd.97.041701
Abstract: We employ perturbative renormalization group and e-expansion to study multicritical single-scalar field theories with higher derivative kinetic terms of the form ϕ(-□)kϕ. We focus on those with a Z2-symmetric critical point which are characterized by… read more here.
Keywords: higher derivative; expansion; multicritical scalar; theories higher ... See more keywords
Graviton multi-point amplitudes for higher-derivative gravity in anti-de Sitter space
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review D"
DOI: 10.1103/physrevd.97.086002
Abstract: We calculate graviton multi-point amplitudes in an anti-de Sitter black brane background for higher-derivative gravity of arbitrary order in numbers of derivatives. The calculations are performed using tensor graviton modes in a particular regime of… read more here.
Keywords: derivative gravity; point amplitudes; point; graviton ... See more keywords