All-loop cuts from the Amplituhedron
Abstract
The definition of the amplituhedron in terms of sign flips involves both one-loop constraints and the “mutual positivity” constraint. To gain an understanding of the all-loop integrand of \( \mathcal{N}=4 \) sYM requires understanding the crucial role played by mutual positivity. This paper is an attempt towards developing a procedure to introduce the complexities of mutual positivity in a systematic and controlled manner. As the first step in this procedure, we trivialize these constraints and understand the geometry underlying the remaining constraints to all loops and multiplicities. We present a host of configurations which correspond to various faces of the amplituhedron. The results we derive are valid at all multiplicities and loop orders for the maximally helicity violating (MHV) configurations. These include detailed derivations for the results in. We conclude by indicating how one might move beyond trivial mutual positivity by presenting a series of configuration which re-introduce it bit by bit.
- Authors:
-
- Univ. of California, Davis, CA (United States)
- Princeton Univ., NJ (United States)
- Publication Date:
- Research Org.:
- Univ. of California, Davis, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- OSTI Identifier:
- 1611304
- Grant/Contract Number:
- SC0009999
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of High Energy Physics (Online)
- Additional Journal Information:
- Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2019; Journal Issue: 4; Journal ID: ISSN 1029-8479
- Publisher:
- Springer Berlin
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; Physics; Scattering Amplitudes; Supersymmetric Gauge Theory
Citation Formats
Langer, Cameron, and Srikant, Akshay Yelleshpur. All-loop cuts from the Amplituhedron. United States: N. p., 2019.
Web. doi:10.1007/jhep04(2019)105.
Langer, Cameron, & Srikant, Akshay Yelleshpur. All-loop cuts from the Amplituhedron. United States. https://doi.org/10.1007/jhep04(2019)105
Langer, Cameron, and Srikant, Akshay Yelleshpur. Mon .
"All-loop cuts from the Amplituhedron". United States. https://doi.org/10.1007/jhep04(2019)105. https://www.osti.gov/servlets/purl/1611304.
@article{osti_1611304,
title = {All-loop cuts from the Amplituhedron},
author = {Langer, Cameron and Srikant, Akshay Yelleshpur},
abstractNote = {The definition of the amplituhedron in terms of sign flips involves both one-loop constraints and the “mutual positivity” constraint. To gain an understanding of the all-loop integrand of \( \mathcal{N}=4 \) sYM requires understanding the crucial role played by mutual positivity. This paper is an attempt towards developing a procedure to introduce the complexities of mutual positivity in a systematic and controlled manner. As the first step in this procedure, we trivialize these constraints and understand the geometry underlying the remaining constraints to all loops and multiplicities. We present a host of configurations which correspond to various faces of the amplituhedron. The results we derive are valid at all multiplicities and loop orders for the maximally helicity violating (MHV) configurations. These include detailed derivations for the results in. We conclude by indicating how one might move beyond trivial mutual positivity by presenting a series of configuration which re-introduce it bit by bit.},
doi = {10.1007/jhep04(2019)105},
journal = {Journal of High Energy Physics (Online)},
number = 4,
volume = 2019,
place = {United States},
year = {Mon Apr 15 00:00:00 EDT 2019},
month = {Mon Apr 15 00:00:00 EDT 2019}
}
Web of Science
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Works referencing / citing this record:
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