Simple Proof of Invariance of the Bargmann-Wigner Scalar Products
Abstract
An explicitly covariant formalism for dealing with Bargmann-Wigner fields is developed. An invariance of the Barmann-Wigner norm can be proved in a unified way for both massive and massless fields. It is shown that there exists some freedom in the choice of the form of the Bargmann-Wigner scalar product.
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