Journal article 1159 views 90 downloads
Diagrammar in an extended theory of gravity
,
John H. Godwin,
Guy R. Jehu,
Warren Perkins
Physics Letters B, Volume: 771, Pages: 230 - 234
Swansea University Authors:
David Dunbar , Warren Perkins
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DOI (Published version): 10.1016/j.physletb.2017.05.052
Abstract
We show how the S-matrix of an extended theory of gravity defined by itsthree-point amplitudes can be constructed by demanding factorisation. Theresultant S-matrix has tree amplitudes obeying the same soft singularitytheorems as Einstein gravity including the sub-sub-leading terms.
| Published in: | Physics Letters B |
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| ISSN: | 03702693 |
| Published: |
2017
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| Online Access: |
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| URI: | https://cronfa.swan.ac.uk/Record/cronfa32149 |
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| Abstract: |
We show how the S-matrix of an extended theory of gravity defined by itsthree-point amplitudes can be constructed by demanding factorisation. Theresultant S-matrix has tree amplitudes obeying the same soft singularitytheorems as Einstein gravity including the sub-sub-leading terms. |
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| College: |
Faculty of Science and Engineering |
| Start Page: |
230 |
| End Page: |
234 |