Qubits in phase space: Wigner-function approach to quantum-error correction and the mean-king problem

We analyze and further develop a method to represent the quantum state of a system of qubits in a phase-space grid of points where . The method, which was recently proposed by Wootters and co-workers (Gibbons, Phys. Rev. A 70, 062101 (2004).), is based on the use of the elements of the finite field...

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Detalles Bibliográficos
Autores principales: Paz, J.P., Roncaglia, A.J., Saraceno, M.
Formato: JOUR
Materias:
Phase-space axes
Quantum error-correction codes
Quantum-information theory
Error analysis
Information theory
Problem solving
Quantum theory
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_10502947_v72_n1_p_Paz
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

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