Non-Lagrangian gauge field models are physically excluded
While non-action-generated, but identically conserved, abelian/YM gauge vectors exist, they are unsuitable for building alternate field equations, because they have no stress-tensor, hence do not permit Poincare generators and, most physically, cannot consistently couple to gravity. Separately, thei...
Main Author: | S. Deser |
---|---|
Format: | Article |
Language: | English |
Published: |
Elsevier
2019-03-01
|
Series: | Physics Letters B |
Online Access: | http://www.sciencedirect.com/science/article/pii/S0370269319300693 |
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