Boundaries of amplituhedra and NMHV symbol alphabets at two loops
Abstract
In this sequel to [3] we classify the boundaries of amplituhedra relevant for determining the branch points of general two-loop amplitudes in planar N = 4 super-Yang-Mills theory. We explain the connection to on-shell diagrams, which serves as a useful cross-check. Here we determine the branch points of all two-loop NMHV amplitudes by solving the Landau equations for the relevant configurations and are led thereby to a conjecture for the symbol alphabets of all such amplitudes.
- Authors:
-
- Brown Univ., Providence, RI (United States). Dept. of Physics
- Brown Univ., Providence, RI (United States). Dept. of Physics; Inst. for Advanced Study, Princeton, NJ (United States). School of Natural Sciences
- Brown Univ., Providence, RI (United States). Dept. of Physics; Univ. of California, Santa Barbara, CA (United States). Kavli Inst. for Theoretical Physics
- Publication Date:
- Research Org.:
- Brown Univ., Providence, RI (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC)
- OSTI Identifier:
- 1502077
- Grant/Contract Number:
- SC0010010
- 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: 2018; Journal Issue: 4; Journal ID: ISSN 1029-8479
- Publisher:
- Springer Berlin
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Scattering Amplitudes; Supersymmetric Gauge Theory
Citation Formats
Prlina, Igor, Spradlin, Marcus, Stankowicz, James, and Stanojevic, Stefan. Boundaries of amplituhedra and NMHV symbol alphabets at two loops. United States: N. p., 2018.
Web. doi:10.1007/jhep04(2018)049.
Prlina, Igor, Spradlin, Marcus, Stankowicz, James, & Stanojevic, Stefan. Boundaries of amplituhedra and NMHV symbol alphabets at two loops. United States. https://doi.org/10.1007/jhep04(2018)049
Prlina, Igor, Spradlin, Marcus, Stankowicz, James, and Stanojevic, Stefan. Tue .
"Boundaries of amplituhedra and NMHV symbol alphabets at two loops". United States. https://doi.org/10.1007/jhep04(2018)049. https://www.osti.gov/servlets/purl/1502077.
@article{osti_1502077,
title = {Boundaries of amplituhedra and NMHV symbol alphabets at two loops},
author = {Prlina, Igor and Spradlin, Marcus and Stankowicz, James and Stanojevic, Stefan},
abstractNote = {In this sequel to [3] we classify the boundaries of amplituhedra relevant for determining the branch points of general two-loop amplitudes in planar N = 4 super-Yang-Mills theory. We explain the connection to on-shell diagrams, which serves as a useful cross-check. Here we determine the branch points of all two-loop NMHV amplitudes by solving the Landau equations for the relevant configurations and are led thereby to a conjecture for the symbol alphabets of all such amplitudes.},
doi = {10.1007/jhep04(2018)049},
journal = {Journal of High Energy Physics (Online)},
number = 4,
volume = 2018,
place = {United States},
year = {Tue Apr 10 00:00:00 EDT 2018},
month = {Tue Apr 10 00:00:00 EDT 2018}
}
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