Some aspects of quantum entanglement for CAR systems

Hajime Moriya

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)


We show some distinct features of quantum entanglement for bipartite CAR systems such as the failure of triangle inequality of von Neumann entropy and the possible change of our entanglement degree under local operations. Those are due to the nonindependence of CAR systems and never occur in any algebraic independent systems. We introduce a new notion half-sided entanglement.

Original languageEnglish
Pages (from-to)109-121
Number of pages13
JournalLetters in Mathematical Physics
Issue number2
Publication statusPublished - 2002 May


  • Car systems
  • Entropy inequality
  • Quantum entanglement

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Mathematical Physics


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