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Towards the higher point holographic momentum space amplitudes. Part II. Gravitons

Albayrak, Soner and Kharel, Savan (2019) Towards the higher point holographic momentum space amplitudes. Part II. Gravitons. Journal of High Energy Physics, 2019 (12). Art. No. 135. ISSN 1029-8479. https://resolver.caltech.edu/CaltechAUTHORS:20191219-112735461

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Abstract

In this follow up paper, we calculate higher point tree level graviton Witten diagrams in AdS₄ via bulk perturbation theory. We show that by rearranging the bulk to bulk graviton propagators, the calculations effectively reduce to the computation of a scalar factor. Analogous to the amplitudes for vector boson interactions we computed in the previous paper, scalar factors for the graviton exchange diagrams also become relatively simple when written in momentum space. We explicitly calculate higher point correlators and discuss how this momentum space formalism makes flat space and collinear limits simpler.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1007/jhep12(2019)135DOIArticle
https://arxiv.org/abs/1908.01835arXivDiscussion Paper
ORCID:
AuthorORCID
Kharel, Savan0000-0001-9455-4183
Additional Information:© The Author(s) 2019. This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited. Article funded by SCOAP3. Received: September 23, 2019. Accepted: December 5, 2019. Published: December 17, 2019. We thank Chandramouli Chowdhury for discussions. SA is supported by NSF grant PHY-1350180 and Simons Foundation grant 488651. SK was supported by DRFC Discretionary Funds from Williams College.
Group:Walter Burke Institute for Theoretical Physics
Funders:
Funding AgencyGrant Number
NSFPHY-1350180
Simons Foundation488651
Williams CollegeUNSPECIFIED
Subject Keywords:Scattering Amplitudes, AdS-CFT Correspondence, Conformal Field Theory, Space-Time Symmetries
Issue or Number:12
Record Number:CaltechAUTHORS:20191219-112735461
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20191219-112735461
Official Citation:Albayrak, S. & Kharel, S. J. High Energ. Phys. (2019) 2019: 135. https://doi.org/10.1007/JHEP12(2019)135
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:100380
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:20 Dec 2019 15:52
Last Modified:20 Dec 2019 15:52

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