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Wigner function of a qubit

2015/12/09 by Kijowski, Jerzy, Waluk, Piotr, Senger, Katarzyna
#53D50 (Secondary) #81S10 (Primary) #FOS: Physical sciences #Mathematical Physics (math-ph) #Quantum Physics (quant-ph)

paper · doi:10.48550/arxiv.1512.02867

Abstract

We show that real polarization method can be effectively used to geometrically quantize physical systems with compact phase space, like the spin. Our method enables us to construct a wave function of a qubit in both position and momentum representations and also its Wigner function. These results can be used in quantum informatics.

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