BIP! Finder - One-loop matrix elements of effective superstring interactions: α′-expanding loop integrands

2021 • One-loop matrix elements of effective superstring interactions: α′-expanding loop integrands

Authors: Edison, Alex; Guillen, Max; Johansson, Henrik; Schlotterer, Oliver; Teng, Fei

Venue: Journal of High Energy Physics

Type: Publication

Abstract: Abstract In the low-energy effective action of string theories, non-abelian gauge interactions and supergravity are augmented by infinite towers of higher-mass-dimension operators. We propose a new method to construct one-loop matrix elements with insertions of operators D2kFn and D2kRn in the tree-level effective action of type-I and type-II superstrings. Inspired by ambitwistor string theories, our method is based on forward limits of moduli-space integrals using string tree-level amplitudes with two extra points, expanded in powers of the in... (read more)

Impact:

1.1834259E-8 2.9310911E-9 10 10

/ Attention: 0 37

Topics: Pure mathematics Mathematical physics

DOI: 10.1007/jhep12(2021)007

External links: Crossref OpenAIRE

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