2 papers
hep-th2001
Non-minimal coupling for spin 3/2 fields
Victor M. Villanueva, Juan A. Nieto, and Octavio Obregon
The problem of the electromagnetic coupling for spin 3/2 fields is discussed. Following supergravity and some recent works in the field of classical supersymmetric particles, we fi…
quant-ph1997
Central charges in regular mechanics
A. Cabo, J. L. Lucio M., V. Villanueva
We consider the algebra associated to a group of transformations which are symmetries of a regular mechanical system (i.e. system free of constraints). For time dependent coordinat…