Elementary formula for entanglement entropies of fermionic systems

Pater Lvay, Szilvia Nagy, Janos Pipek

Research output: Contribution to journalArticle

45 Citations (Scopus)


An elementary formula for the von Neumann and Rnyi entropies describing quantum correlations in two-fermionic systems having four single-particle states is presented. An interesting geometric structure of fermionic entanglement is revealed. A connection with the generalized Pauli principle is established.

Original languageEnglish
Article number022302
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Issue number2
Publication statusPublished - Aug 1 2005

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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