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. doi:10.1007/jhep12(2019)135. 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 | |||||||||
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| 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 | |||||||||
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| Subject Keywords: | Scattering Amplitudes, AdS-CFT Correspondence, Conformal Field Theory, Space-Time Symmetries | |||||||||
| Issue or Number: | 12 | |||||||||
| DOI: | 10.1007/jhep12(2019)135 | |||||||||
| 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: | 16 Nov 2021 17:53 |
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