Scattering amplitudes of Kaluza-Klein strings and extended massive double-copy
Sign Up to like & getrecommendations! Published in 2022 at "Journal of High Energy Physics"
DOI: 10.1007/jhep02(2022)120
Abstract: Abstract We study the scattering amplitudes of massive Kaluza-Klein (KK) states of open and closed bosonic strings under toroidal compactification. We analyze the structure of vertex operators for the KK strings and derive an extended… read more here.
Keywords: kaluza klein; extended massive; copy; scattering amplitudes ... See more keywords
Inelastic black hole scattering from charged scalar amplitudes
Sign Up to like & getrecommendations! Published in 2017 at "Journal of High Energy Physics"
DOI: 10.1007/jhep03(2018)044
Abstract: A bstractWe explain how the lowest-order classical gravitational radiation produced during the inelastic scattering of two Schwarzschild black holes in General Relativity can be obtained from a tree scattering amplitude in gauge theory coupled to… read more here.
Keywords: scattering charged; double copy; hole scattering; black hole ... See more keywords
Alternative formulations of the twistor double copy
Sign Up to like & getrecommendations! Published in 2022 at "Journal of High Energy Physics"
DOI: 10.1007/jhep03(2022)180
Abstract: Abstract The classical double copy relating exact solutions of biadjoint scalar, gauge and gravity theories continues to receive widespread attention. Recently, a derivation of the exact classical double copy was presented, using ideas from twistor… read more here.
Keywords: twistor double; alternative formulations; formulations twistor; copy ... See more keywords
The Weyl double copy from twistor space
Sign Up to like & getrecommendations! Published in 2021 at "Journal of High Energy Physics"
DOI: 10.1007/jhep05(2021)239
Abstract: The Weyl double copy is a procedure for relating exact solutions in biadjoint scalar, gauge and gravity theories, and relates fields in spacetime directly. Where this procedure comes from, and how general it is, have… read more here.
Keywords: twistor space; weyl double; double copy;
Non-Abelian gauged supergravities as double copies
Sign Up to like & getrecommendations! Published in 2019 at "Journal of High Energy Physics"
DOI: 10.1007/jhep06(2019)099
Abstract: A bstractScattering amplitudes have the potential to provide new insights to the study of supergravity theories with gauged R-symmetry and Minkowski vacua. Such gaugings break supersymmetry spontaneously, either partly or completely. In this paper, we… read more here.
Keywords: abelian gauged; gauged supergravities; non abelian; supersymmetry ... See more keywords
Double copy structure of parity-violating CFT correlators
Sign Up to like & getrecommendations! Published in 2021 at "Journal of High Energy Physics"
DOI: 10.1007/jhep07(2021)033
Abstract: Abstract We show that general parity-violating 3d conformal field theories show a double copy structure for momentum space 3-point functions of conserved currents, stress tensor and marginal scalar operators. Splitting up the CFT correlator into… read more here.
Keywords: parity violating; copy structure; copy; double copy ... See more keywords
A new gauge-invariant double copy for heavy-mass effective theory
Sign Up to like & getrecommendations! Published in 2021 at "Journal of High Energy Physics"
DOI: 10.1007/jhep07(2021)047
Abstract: Abstract We propose a new form of the colour-kinematics/double-copy duality for heavy-mass effective field theories, which we apply to construct compact expressions for tree amplitudes with heavy matter particles in Yang-Mills and in gravity to… read more here.
Keywords: mass effective; effective theory; mass; double copy ... See more keywords
Perturbiner methods for effective field theories and the double copy
Sign Up to like & getrecommendations! Published in 2018 at "Journal of High Energy Physics"
DOI: 10.1007/jhep10(2018)018
Abstract: A bstractPerturbiner expansion provides a generating function for all Berends-Giele currents in a given quantum field theory. We apply this method to various effective field theories with and without color degrees of freedom. In the… read more here.
Keywords: effective field; double copy; field; field theories ... See more keywords
The classical double copy for half-maximal supergravities and T-duality
Sign Up to like & getrecommendations! Published in 2021 at "Journal of High Energy Physics"
DOI: 10.1007/jhep10(2021)211
Abstract: Abstract We study the classical double copy for ungauged half-maximal supergravities using the Kaluza-Klein reduction of double field theory (DFT). We construct a general formula for the Kaluza-Klein (KK) reduction of the DFT Kerr-Schild ansatz.… read more here.
Keywords: duality; classical double; half maximal; copy ... See more keywords
Extracting Einstein from the loop-level double-copy
Sign Up to like & getrecommendations! Published in 2021 at "Journal of High Energy Physics"
DOI: 10.1007/jhep11(2021)088
Abstract: Abstract The naive double-copy of (multi) loop amplitudes involving massive matter coupled to gauge theories will generically produce amplitudes in a gravitational theory that contains additional contributions from propagating antisymmetric tensor and dilaton states even… read more here.
Keywords: extracting einstein; loop level; level double; einstein loop ... See more keywords
Classical double copy of nonsingular black holes
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review D"
DOI: 10.1103/physrevd.102.086015
Abstract: We apply the classical double copy procedure to a class of regular, non-singular black hole solutions. We give several examples, paying particular attention to a string-theory-corrected black hole solution emerging from T-duality. Non-perturbative stringy corrections… read more here.
Keywords: double copy; black hole; copy; copy nonsingular ... See more keywords