Publication: Nonclassicality in the statistics of noncommuting observables: Nonclassical states are more compatible than classical states
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2011-07-08
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American Physical Society
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Abstract
We study nonclassicality in the product of the probabilities of noncommuting observables. We show that within the quantum theory, nonclassical states can provide larger probability product than classical states, so that nonclassical states approach the nonfluctuating states of the classical theory more closely than classical states. This is particularized to relevant complementary observables such as conjugate quadratures, phase and number, quadrature and number, and orthogonal angular momentum components.
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©2011 American Physical Society. A. L. acknowledges Dr. A. Rivas for enlightening comments. This work has been supported by Project No. FIS2008-01267 of the Spanish Direccion General de Investigacion del Ministerio de Ciencia e Innovacion, and by Project QUITEMAD S2009-ESP-1594 of the Consejeria de Educacion de la Comunidad de Madrid.
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