Sub-subleading soft gravitons and large diffeomorphisms

We present strong evidence that the sub-subleading soft theorem in semiclassical (tree level) gravity discovered by Cachazo and Strominger is equivalent to the conservation of asymptotic charges associated to a new class of vector fields not contained within the previous extensions of BMS algebra. O...

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Bibliographic Details

Main Author:	Campiglia Curcho, Miguel (author)
Other Authors:	Laddha, A. (author)
Format:	article
Language:	English
Published:	2017
Subjects:	Global Symmetries Scattering Amplitudes Space-Time Symmetries
Online Access:	https://hdl.handle.net/20.500.12008/22034
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