Relation between classical communication capacity and entanglement capability for two-qubit unitary operations

Dominic W. Berry; Barry C. Sanders

Relation between classical communication capacity and entanglement capability for two-qubit unitary operations

Dominic W. Berry^*, Barry C. Sanders

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

14 Citations (Scopus)

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Abstract

By considering a quantum superposition of classical messages, the capacities for general nonlocalunitary operations were shown to satisfy the inequality c₊ ^E≤E_v+E_v ^-. In order to show such inequalities, it was demonstrated that it was possible to put an upper limit on the dimension of the ancilla required for the communication process. This paper presents a promising way of proving equalities which was by developing an efficient scheme for remote state preparation of bidirectional ensembles.

Original language	English
Article number	032312
Pages (from-to)	1-12
Number of pages	12
Journal	Physical Review A - Atomic, Molecular, and Optical Physics
Volume	68
Issue number	3
Publication status	Published - Sept 2003

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title = "Relation between classical communication capacity and entanglement capability for two-qubit unitary operations",

abstract = "By considering a quantum superposition of classical messages, the capacities for general nonlocalunitary operations were shown to satisfy the inequality c+ E≤Ev+Ev -. In order to show such inequalities, it was demonstrated that it was possible to put an upper limit on the dimension of the ancilla required for the communication process. This paper presents a promising way of proving equalities which was by developing an efficient scheme for remote state preparation of bidirectional ensembles.",

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T1 - Relation between classical communication capacity and entanglement capability for two-qubit unitary operations

AU - Berry, Dominic W.

AU - Sanders, Barry C.

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AB - By considering a quantum superposition of classical messages, the capacities for general nonlocalunitary operations were shown to satisfy the inequality c+ E≤Ev+Ev -. In order to show such inequalities, it was demonstrated that it was possible to put an upper limit on the dimension of the ancilla required for the communication process. This paper presents a promising way of proving equalities which was by developing an efficient scheme for remote state preparation of bidirectional ensembles.

UR - https://www.scopus.com/pages/publications/0242526138

M3 - Article

AN - SCOPUS:0242526138

SN - 1050-2947

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JO - Physical Review A - Atomic, Molecular, and Optical Physics

JF - Physical Review A - Atomic, Molecular, and Optical Physics

IS - 3

M1 - 032312

ER -

Relation between classical communication capacity and entanglement capability for two-qubit unitary operations

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