The infrared structure of exceptional scalar theories

The infrared structure of exceptional scalar theories

Abstract Exceptional theories are a group of one-parameter scalar field theories with (enhanced) vanishing soft limits in the S-matrix elements. They include the nonlinear sigma model (NLSM), Dirac-Born-Infeld scalars and the special Galileon theory. The soft behavior results from the shift symmetry...

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Bibliographic Details
Main Author: Zhewei Yin
Format: Article
Language:English
Published: SpringerOpen 2019-03-01
Series:Journal of High Energy Physics
Subjects:
Effective Field Theories
Scattering Amplitudes
Global Symmetries
Spontaneous Symmetry Breaking
Online Access:http://link.springer.com/article/10.1007/JHEP03(2019)158

Internet

http://link.springer.com/article/10.1007/JHEP03(2019)158

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