Classicality in discrete Wigner functions

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Gibbons, [Phys. Rev. A 70, 062101 (2004)] have recently defined discrete Wigner functions W to represent quantum states in a Hilbert space with finite dimension. We show that such a class of Wigner functions W can be defined so that the only pure states having non-negative W for all such functions a...

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Detalles Bibliográficos
Autores principales: Cormick, C., Galvão, E.F., Gottesman, D., Paz, J.P., Pittenger, A.O.
Formato: JOUR
Materias:
Computer simulation
Quantum theory
Discrete Wigner functions
Hilbert space
Unitary dynamics
Functions
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_10502947_v73_n1_p_Cormick
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

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