Quantum entropy and special relativity

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

Research output: Contribution to journalArticlepeer-review

254 Citations (Scopus)


The relativistic properties of spin entropy for a single, free particle of spin 1/2 and mass m>0 were investigated. The reduced density matrix was not covariant under Lorentz transformations. Results showed that spin entropy was not a relativistic scalar with no invariant meaning.

Original languageEnglish
Pages (from-to)2304021-2304023
Number of pages3
JournalPhysical Review Letters
Issue number23
Publication statusPublished - 10 Jun 2002
Externally publishedYes


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