Quantum entropy and special relativity
Quantum Physics
2011-06-24 v2 High Energy Physics - Theory
Abstract
We consider a single free spin 1/2 particle. The reduced density matrix for its spin is not covariant under Lorentz transformations. The spin entropy is not a relativistic scalar and has no invariant meaning.
Cite
@article{arxiv.quant-ph/0203033,
title = {Quantum entropy and special relativity},
author = {Asher Peres and Petra F. Scudo and Daniel R. Terno},
journal= {arXiv preprint arXiv:quant-ph/0203033},
year = {2011}
}
Comments
final version