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quant-ph2021★ 4 cited
Nonclassical correlations of radiation in relation to Bell nonlocality
V. S. Kovtoniuk, I. S. Yeremenko, S. Ryl +2
We analyze nonclassical correlations between outcomes of measurements conducted on two spatial radiation modes. These correlations cannot be simulated with statistical mixtures of…
quant-ph2017★ 30 cited
Quantifying nonclassicality by characteristic functions
S. Ryl, J. Sperling, W. Vogel
In this paper, we use the characteristic function, i.e., the Fourier transform of the Glauber-Sudarshan phase-space distribution, to find the degree of nonclassicality of a given s…
quant-ph2015★ 53 cited
Unified nonclassicality criteria
Sergej Ryl, Jan Sperling, Elizabeth Agudelo +4
In this work we generalize the Bochner criterion addressing the characteristic function, i.e., the Fourier transform, of the Glauber-Sudarshan phase-space function. For this purpos…