Published August 30, 2002 | Version v1
Journal article

Phase-covariant quantum cloning

  • 1. Quantum Computation and Information Project, ERATO, Japan Science and Technology Corporation, Bunkyo-ku, Tokyo (Japan)
  • 2. Quantum Computation and Information Project, ERATO, Japan Science and Technology Corporation, Bunkyo-ku, Tokyo (JP)

Description

Quantum cloning machines for equatorial qubits are studied. For a 1 to 2 phase-covariant quantum cloning machine, using Hilbert-Schmidt norm and Bures fidelity, we show that our transformation can achieve the bound of the fidelity. (author)

Availability note (English)

Available online at the Web site for the Journal of Physics. A, Mathematical and General (ISSN 4361-6447) http://www.iop.org/

Additional details

Identifiers

URL
http://www.iop.org/;
DOI
10.1088/0305-4470/35/34/312;
PII
S0305-4470(02)35172-2;

Publishing Information

Journal Title
Journal of Physics. A, Mathematical and General
Journal Volume
35
Journal Issue
34
Journal Page Range
p. 7415-7423
ISSN
0305-4470

INIS

Country of Publication
United Kingdom
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
33043965
Subject category
S71: CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS;
Descriptors DEI
CLONING; CONFORMAL INVARIANCE; QUANTUM MECHANICS; QUANTUM OPERATORS; TRANSFORMATIONS
Descriptors DEC
INVARIANCE PRINCIPLES; MATHEMATICAL OPERATORS; MECHANICS