Skip to content

Quantum entropy and special relativity

Asher Peres, Petra F. Scudo, Daniel R. Terno

quant-pharXiv:quant-ph/0203033

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.

Create a lesson