New factorization relations for nonlinear sigma model amplitudes
Nov 14, 2018
6 pages
Published in:
- Phys.Rev.D 99 (2019) 4, 045009
- Published: Feb 20, 2019
e-Print:
- 1811.06024 [hep-th]
View in:
Citations per year
Abstract: (APS)
We obtain novel factorization identities for nonlinear sigma model amplitudes using a new integrand in the Cachazo-He-Yuan double-cover prescription. We find that it is possible to write very compact relations using only longitudinal degrees of freedom. We discuss implications for on shell recursion.Note:
- 6 pages, no figures, version to appear in PRD
- Formal aspects of field theory, field theory in curved space
- sigma model: nonlinear
- factorization
- longitudinal
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