Quantum nondemolition measurement of the Werner state

Journal Article · Fri Oct 15 00:00:00 EDT 2010 · Physical Review. A

DOI:https://doi.org/10.1103/PHYSREVA.82.042112· OSTI ID:21450712

Jiasen, Jin; Changshui, Yu; Pei, Pei; Heshan, Song ^[1]

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1. School of Physics and Optoelectronic Technology, Dalian University of Technology, Dalian 116024 (China)

We propose a theoretical scheme of quantum nondemolition measurement of two-qubit Werner state. We discuss our scheme with the two qubits restricted in a local place and then extend the scheme to the case in which two qubits are separated. We also consider the experimental realization of our scheme based on cavity quantum electrodynamics. It is very interesting that our scheme is robust against the dissipative effects introduced by the probe process. We also give a brief interpretation of our scheme finally.

• OSTI ID: 21450712
• Journal Information: Physical Review. A, Vol. 82, Issue 4; Other Information: DOI: 10.1103/PhysRevA.82.042112; (c) 2010 The American Physical Society; ISSN 1050-2947
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
CAVITY RESONATORS
PROBES
QUANTUM ELECTRODYNAMICS
QUANTUM MECHANICS
QUANTUM STATES
QUBITS
ELECTRODYNAMICS
ELECTRONIC EQUIPMENT
EQUIPMENT
FIELD THEORIES
INFORMATION
MECHANICS
QUANTUM FIELD THEORY
QUANTUM INFORMATION
RESONATORS