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Title: Towards a complete and continuous Wigner function for an ensemble of spins or qubits
Authors: Harland, Derek
Everitt, Mark J.
Nemoto, Kae
Tilma, Todd
Spiller, T.P.
Issue Date: 2012
Publisher: © American Physical Society
Citation: HARLAND, D. ... et al, 2012. Towards a complete and continuous Wigner function for an ensemble of spins or qubits. Physical Review A - Atomic, Molecular, and Optical Physics, 86 (6), 062117.
Abstract: We present a new quasi-probability distribution function for ensembles of spin-half particles or qubits that has many properties in common with Wigner's original function for systems of continuous variables. We show that this function provides clear and intuitive graphical representation of a wide variety of states, including Fock states, spin-coherent states, squeezed states, superpositions and statistical mixtures. Unlike previous attempts to represent ensembles of spins/qubits, this distribution is capable of simultaneously representing several angular momentum shells.
Version: Published
DOI: 10.1103/PhysRevA.86.062117
URI: https://dspace.lboro.ac.uk/2134/11617
Publisher Link: http://link.aps.org/doi/10.1103/PhysRevA.86.062117
ISSN: 1050-2947
Appears in Collections:Published Articles (Physics)
Published Articles (Maths)

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