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Multiloop soft theorem of the dilaton in the bosonic string
Stockholm University, Nordic Institute for Theoretical Physics (Nordita). University of Copenhagen, Denmark.
Number of Authors: 32019 (English)In: Physical Review D: covering particles, fields, gravitation, and cosmology, ISSN 2470-0010, E-ISSN 2470-0029, Vol. 100, no 4, article id 041902Article in journal (Refereed) Published
Abstract [en]

We show that by fixing the multiloop Green function in the closed bosonic string to be Arakelov's Green function, one obtains factorization of scattering amplitudes with a softly emitted dilaton to the same level as with a graviton to all loop order. This extends our previous analysis at one loop to all loop orders and confirms that some high-energy quantum symmetry in the bosonic string protects the factorization of amplitudes with softly emitted dilatons.

Place, publisher, year, edition, pages
2019. Vol. 100, no 4, article id 041902
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Physical Sciences
Identifiers
URN: urn:nbn:se:su:diva-173001DOI: 10.1103/PhysRevD.100.041902ISI: 000479032600001OAI: oai:DiVA.org:su-173001DiVA, id: diva2:1360283
Available from: 2019-10-11 Created: 2019-10-11 Last updated: 2019-10-11Bibliographically approved

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Di Vecchia, Paolo
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