Maximum entanglement in squeezed boson and fermion states

Journal Article · Wed Aug 15 00:00:00 EDT 2007 · Physical Review. A

DOI:https://doi.org/10.1103/PHYSREVA.76.022109· OSTI ID:21011375

Khanna, F C ^[1]; Malbouisson, J M. C. ^[2]; Santana, A E ^[3]; Santos, E S ^[4]

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1. Theoretical Physics Institute, University of Alberta, Edmonton, Alberta T6G 2J1 (Canada)
2. Instituto de Fisica, Universidade Federal da Bahia, 40210-340, Salvador, BA (Brazil)
3. Instituto de Fisica, Universidade de Brasilia, 70910-900, Brasilia, DF (Brazil)
4. Centro Federal de Educacao Tecnologica da Bahia, 40030-010, Salvador, BA (Brazil)

A class of squeezed boson and fermion states is studied with particular emphasis on the nature of entanglement. We first investigate the case of bosons, considering two-mode squeezed states. Then we construct the fermion version to show that such states are maximum entangled, for both bosons and fermions. To achieve these results, we demonstrate some relations involving squeezed boson states. The generalization to the case of fermions is made by using Grassmann variables.

• OSTI ID: 21011375
• Journal Information: Physical Review. A, Vol. 76, Issue 2; Other Information: DOI: 10.1103/PhysRevA.76.022109; (c) 2007 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 1050-2947
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
BOSONS
EXCITED STATES
FERMIONS
QUANTUM ENTANGLEMENT
QUANTUM MECHANICS