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Title: 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:
ORCiD logo [1]; ORCiD logo [2]
  1. Univ. of California, Davis, CA (United States)
  2. 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}
}

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Cited by: 7 works
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Works referenced in this record:

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journal, December 2014


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journal, January 2016

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journal, June 2018


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journal, May 2016


Anatomy of the Amplituhedron
preprint, January 2014


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text, January 2014


Logarithmic Singularities and Maximally Supersymmetric Amplitudes
preprint, January 2014


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text, January 2015


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preprint, January 2016


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text, January 2017


All-loop Mondrian Diagrammatics and 4-particle Amplituhedron
text, January 2017


Works referencing / citing this record:

Positive geometry, local triangulations, and the dual of the Amplituhedron
journal, January 2021

  • Herrmann, Enrico; Langer, Cameron; Trnka, Jaroslav
  • Journal of High Energy Physics, Vol. 2021, Issue 1
  • DOI: 10.1007/jhep01(2021)035

A Soft Theorem for the Tropical Grassmannian
preprint, January 2019