Unitary and nonunitary evolution of qubit states in probability representation of quantum mechanics

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DOI Доступ к ресурсу на сайте издателя			10.1007/s10773-019-04099-3

Title: Unitary and nonunitary evolution of qubit states in probability representation of quantum mechanics
Creator: Avanesov, Ashot S.
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Manko, Vladimir I.
Date: 2019
DOI: 10.1007/s10773-019-04099-3
Description: Review of the probability representation of qubit states and observables is presented as well as the picture of states of two-level systems in terms of Triada of Malevich’s squares. A new relation of introduced probability parameters is obtained. Also, it is offered a method to visualize the quantum channel’s maps of qubit states. Evolution of the two-level system is considered in terms of Triada of Malevich’s squares in case of Rabi and Demkov models. © 2019, Springer Science+Business Media, LLC, part of Springer Nature.