A free-field 2d CFT realization of the chiral bms4 algebra is constructed, with vertex operators for graviton and scalar primaries whose OPEs exactly reproduce those from conformal gravity MHV amplitudes.
On BMS Invariance of Gravitational Scattering
5 Pith papers cite this work, alongside 716 external citations. Polarity classification is still indexing.
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Robinson-Trautman waves exhibit an explicit memory effect, with their news-free sector matching boosted rescaled Schwarzschild black holes and the vacuum sector of Euclidean Liouville theory.
A dissertation deriving BMS flux laws, using them to test waveform models, and forecasting LISA observations of echoes and a stochastic background.
Near a non-extremal black hole horizon, this paper derives Einstein-Maxwell charges and fluxes, connects the Carrollian internal boost to a Lorentz boost, and recovers horizon constraint equations from the flux-balance law.
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Celestial dual of conformal gravity MHV amplitudes: an OPE analysis
A free-field 2d CFT realization of the chiral bms4 algebra is constructed, with vertex operators for graviton and scalar primaries whose OPEs exactly reproduce those from conformal gravity MHV amplitudes.
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Memory of Robinson-Trautman waves
Robinson-Trautman waves exhibit an explicit memory effect, with their news-free sector matching boosted rescaled Schwarzschild black holes and the vacuum sector of Euclidean Liouville theory.