Fidelity and purity of quantum electrical circuit states and quantum tomograms
classification
🪐 quant-ph
keywords
quantumstatescircuitfidelitymechanicspurityrepresentationapproach
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Review of the probability representation of quantum mechanics and the symplectic tomography approach are presented. The examples of Gaussian states of nanoelectric circuit, Josephson junction, and two interacting high-quality resonant circuits are considered. The Shannon entropy, quantum information, fidelity, and purity of quantum states in the tomographic representation of quantum mechanics are studied.
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