We show that the equivalence of a chiral U(1) transformation with a change in θ is independent of the fate of the U(1) boson, being a consequence of the translational invariance. Assuming that there is no accidental degeneracy the U(1) problem is solved.
The U(1) problem and translational invariance / Cecotti, Sergio. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - 95:3-4(1980), pp. 401-404. [10.1016/0370-2693(80)90177-X]
The U(1) problem and translational invariance
Cecotti, Sergio
1980-01-01
Abstract
We show that the equivalence of a chiral U(1) transformation with a change in θ is independent of the fate of the U(1) boson, being a consequence of the translational invariance. Assuming that there is no accidental degeneracy the U(1) problem is solved.File in questo prodotto:
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