Double-Copy Structure of One-Loop Open-String Amplitudes - INSPIRE

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Double-Copy Structure of One-Loop Open-String Amplitudes

Nov 24, 2017

6 pages

Published in:

Phys.Rev.Lett. 121 (2018) 1, 011601

Published: Jul 6, 2018

e-Print:

1711.09104 [hep-th]

DOI:

10.1103/PhysRevLett.121.011601

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Abstract: (APS)

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.

Note:

5 pages, v2: modifications in the structure to match published version

invariance: gauge
superstring: open
kinematics
correlation function
moduli space
gravitation
surface

References(37)

Figures(0)

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