The matrix elements of the electromagnetic current and the energy-momentum tensor for sharply localized states of spin-1 systems are considered. Their interpretation as local spatial densities of various characteristics of the considered system is discussed.
@article{arxiv.2305.01491,
title = {Electromagnetic and gravitational local spatial densities for spin-1 systems},
author = {J. Yu. Panteleeva and E. Epelbaum and J. Gegelia and U. -G. Meißner},
journal= {arXiv preprint arXiv:2305.01491},
year = {2023}
}