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Wigner Functions and Spin Tomograms for Qubit States |
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| Authors: | Peter Adam Vladimir A Andreev Iulia Ghiu Aurelian Isar Margarita A Man’ko Vladimir I Man’ko |
| Institution: | 1. Institute for Solid State Physics and Optics Wigner Research Centre for Physics, Hungarian Academy of Sciences, H-1525, Budapest, P.O. Box 49, Hungary 2. P. N. Lebedev Physical Institute, Russian Academy of Sciences, Leninskii Prospect 53, Moscow, 119991, Russia 3. Centre for Advanced Quantum Physics Department of Physics, University of Bucharest, P.O. Box MG-11, R-077125, Bucharest-M?gurele, Romania 4. Horia Hulubei National Institute for Research and Development in Physics and Nuclear Engineering, P.O. Box MG-6, Bucharest-M?gurele, Romania |
| Abstract: | We establish the relation of the spin tomogram to the Wigner function on a discrete phase space of qubits. We use the quantizers and dequantizers of the spin tomographic star-product scheme for qubits to derive the expression for the kernel connecting Wigner symbols on the discrete phase space with the tomographic symbols. |
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