Discrete phase-space structures and Wigner functions for N qubits

Munoz, C.; Klimov, A. B.; Sanchez-Soto, L.

doi:10.1007/s11128-017-1607-x

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Discrete phase-space structures and Wigner functions for N qubits

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Sanchez-Soto, L.
Quantumness, Tomography, Entanglement, and Codes, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society;
Univ Complutense, Dept Opt, Fac Fis, Complutense University of Madrid;

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引用

Munoz, C., Klimov, A. B., & Sanchez-Soto, L. (2017). Discrete phase-space structures and Wigner functions for N qubits. QUANTUM INFORMATION PROCESSING, 16(6):. doi:10.1007/s11128-017-1607-x.

引用: https://hdl.handle.net/21.11116/0000-0000-7F4F-B

要旨

We further elaborate on a phase-space picture for a system of N qubits and explore the structures compatible with the notion of unbiasedness. These consist of bundles of discrete curves satisfying certain additional properties and different entanglement properties. We discuss the construction of discrete covariant Wigner functions for these bundles and provide several illuminating examples.