Published March 24, 2017
| Published + Submitted
Journal Article
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Symmetry for Flavor-Kinematics Duality from an Action
- Creators
- Cheung, Clifford
- Shen, Chia-Hsien
Abstract
We propose a new representation of the nonlinear sigma model that exhibits a manifest duality between flavor and kinematics. The fields couple exclusively through cubic Feynman vertices which define the structure constants of an underlying kinematic algebra. The action is invariant under a combination of internal and spacetime symmetries whose conservation equations imply flavor-kinematics duality, ensuring that all Feynman diagrams satisfy kinematic Jacobi identities. Substituting flavor for kinematics, we derive a new cubic action for the special Galileon theory. In this picture, the vanishing soft behavior of amplitudes is a by-product of the Weinberg soft theorem.
Additional Information
© 2017 American Physical Society. (Received 11 January 2017; published 23 March 2017) C. C. and C.-H. S. are supported by a Sloan Research Fellowship and a DOE Early Career Award under Grant No. DE-SC0010255.Attached Files
Published - PhysRevLett.118.121601.pdf
Submitted - 1612.00868v1.pdf
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Additional details
- Alternative title
- Symmetry and Action for Flavor-Kinematics Duality
- Eprint ID
- 72804
- Resolver ID
- CaltechAUTHORS:20161214-090434989
- Alfred P. Sloan Foundation
- DE-SC0010255
- Department of Energy (DOE)
- Created
-
2016-12-14Created from EPrint's datestamp field
- Updated
-
2021-11-11Created from EPrint's last_modified field
- Caltech groups
- Walter Burke Institute for Theoretical Physics
- Other Numbering System Name
- CALT-TH
- Other Numbering System Identifier
- 2016-035