Quasidistributions and coherent states for finite-dimensional quantum systems |
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Authors: | M A Marchiolli M Ruzzi |
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Institution: | (1) P. N. Lebedev Physical Institute, Leninskii Prospect, 53, 119991 Moscow, Russia |
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Abstract: | In recent years, an approach to discrete quantum phase spaces which comprehends all the main quasiprobability distributions
known has been developed. It is the research that started with the pioneering work of Galetti and Piza, where the idea of
operator bases constructed of discrete Fourier transforms of unitary displacement operators was first introduced. Subsequently,
the discrete coherent states were introduced, and finally, the s-parametrized distributions, that include the Wigner, Husimi, and Glauber–Sudarshan distribution functions as particular cases.
In the present work, we adapt its formulation to encompass some additional discrete symmetries, achieving an elegant yet physically
sound formalism. |
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Keywords: | |
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