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Nonpolynomial Lagrangians with isospin
We apply (Laplace, Fourier, …) transform methods to obtain compact representations of the perturbationS‐matrix elements for interaction Lagrangians which are general nonpolynomial functions of isospin multiplets. In order to illustrate the power and simplicity of the method for coping with the isospin complications, we have treated several examples in detail, and these include the commonly used parametrizations of the unitary chiralSU(2)⊗SU(2) SU(2)⊗SU(2) transformations.
History
Publication title
Journal of Mathematical PhysicsVolume
13Issue
4Pagination
464-468ISSN
0022-2488Department/School
School of Natural SciencesPublisher
Amer Inst PhysicsPlace of publication
Circulation & Fulfillment Div, 2 Huntington Quadrangle, Ste 1 N O 1, Melville, USA, Ny, 11747-4501Repository Status
- Restricted