Teleportation and entanglement distillation in the presence of correlation among bipartite mixed states

Journal Article · Tue Jul 01 00:00:00 EDT 2003 · Physical Review. A

DOI:https://doi.org/10.1103/PhysRevA.68.012301· OSTI ID:20639867

Hamada, Mitsuru ^[1]

---

1. Quantum Computation and Information Project (ERATO), Japan Science and Technology Corporation, 5-28-3, Hongo, Bunkyo-ku, Tokyo 113-0033, (Japan)

The teleportation channel associated with an arbitrary bipartite state denotes the map that represents the change suffered by a teleported state when the bipartite state is used instead of the ideal maximally entangled state for teleportation. This work presents and proves an explicit expression of the teleportation channel for teleportation using Weyl's projective unitary representation of (Z/dZ){sup 2n} for integers d{>=}2, n{>=}1, which has been known for n=1. This formula allows any correlation among the n bipartite mixed states, and an application shows the existence of reliable schemes for distillation of entanglement from a sequence of mixed states with correlation.

• OSTI ID: 20639867
• Journal Information: Physical Review. A, Vol. 68, Issue 1; Other Information: DOI: 10.1103/PhysRevA.68.012301; (c) 2003 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 1050-2947
• Country of Publication: United States
• Language: English

Related Subjects

74 ATOMIC AND MOLECULAR PHYSICS
CORRECTIONS
CORRELATIONS
DATA TRANSMISSION
ENERGY LEVELS
ERRORS
HILBERT SPACE
INFORMATION THEORY
MAPS
MIXED STATE
QUANTUM MECHANICS