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Information-theoretic aspects of friction in the quantum mechanics of an interacting two-electron harmonic atom

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Abstract

In the standard prescriptions (Albrecht in Phys Lett 56B:127, 1975; Hasse in J Math Phys 16:2005, 1975), nonlinear potentials were proposed to introduce a Hermitian potential operator into a Hamiltonian in order to consider quantized friction at the Schrödinger wave-function level. However, this route to understanding quantized friction is not unique. Thus, motivated by important sub-questions put forward by Albrecht and Hasse in the works cited above on the proper choice of parameters introduced in the proposed potentials, we investigate here the information-theoretic aspect of friction using an exact stationary solution for a two-particle interacting one-dimensional oscillator model atom. Specifically, we calculate the change in the diagonal entropy with respect to the well-documented frictionless case, and analyze its parameter-dependence.

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Acknowledgments

The authors thank Professor P. M. Echenique for warm hospitality at the DIPC. One of us (I.N.) acknowledges useful conversations with Professor I. V. Tokatly. This work has been supported in part by the Basque Departamento de Educación, Universidades e Investigación, the University of the Basque Country UPV/EHU (Grant No. IT-366-07).

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Correspondence to M. L. Glasser.

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Nagy, I., Glasser, M.L. Information-theoretic aspects of friction in the quantum mechanics of an interacting two-electron harmonic atom. J Math Chem 53, 1274–1279 (2015). https://doi.org/10.1007/s10910-015-0487-5

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  • DOI: https://doi.org/10.1007/s10910-015-0487-5

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