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Double-copy structure of one-loop open-string amplitudes

Double-copy structure of one-loop open-string amplitudes
Double-copy structure of one-loop open-string amplitudes

In this Letter, we provide evidence for a new double-copy structure in one-loop amplitudes of the open superstring. Their integrands with respect to the moduli space of genus-one surfaces are cast into a form where gauge-invariant kinematic factors and certain functions of the punctures - so-called generalized elliptic integrands - enter on completely symmetric footing. In particular, replacing the generalized elliptic integrands by a second copy of kinematic factors maps one-loop open-string correlators to gravitational matrix elements of the higher-curvature operator R4.

0031-9007
1-6
Mafra, Carlos R.
5a40c14f-0ddb-4c0c-9ce5-acabc537cd01
Schlotterer, Oliver
d30fbe50-b9eb-489a-ad79-0dd212ef4e0e
Mafra, Carlos R.
5a40c14f-0ddb-4c0c-9ce5-acabc537cd01
Schlotterer, Oliver
d30fbe50-b9eb-489a-ad79-0dd212ef4e0e

Mafra, Carlos R. and Schlotterer, Oliver (2018) Double-copy structure of one-loop open-string amplitudes. Physical Review Letters, 121 (1), 1-6. (doi:10.1103/PhysRevLett.121.011601).

Record type: Article

Abstract

In this Letter, we provide evidence for a new double-copy structure in one-loop amplitudes of the open superstring. Their integrands with respect to the moduli space of genus-one surfaces are cast into a form where gauge-invariant kinematic factors and certain functions of the punctures - so-called generalized elliptic integrands - enter on completely symmetric footing. In particular, replacing the generalized elliptic integrands by a second copy of kinematic factors maps one-loop open-string correlators to gravitational matrix elements of the higher-curvature operator R4.

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PhysRevLett.121.011601 - Version of Record
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More information

Accepted/In Press date: 14 March 2018
e-pub ahead of print date: 5 July 2018
Published date: 5 July 2018

Identifiers

Local EPrints ID: 422527
URI: https://eprints.soton.ac.uk/id/eprint/422527
ISSN: 0031-9007
PURE UUID: 317a6775-5bcb-4357-a7ea-5a509ff631a1
ORCID for Carlos R. Mafra: ORCID iD orcid.org/0000-0001-9842-9654

Catalogue record

Date deposited: 25 Jul 2018 16:30
Last modified: 14 Mar 2019 01:34

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