Time delays and advances in classical and quantum systems. Journal of Physics G: Nuclear and Particle Physics Volume 40, Issue 11, November 2013, Article number 113101

14 сентября 2018
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Контактные данные автора публикации Kolomeitsev, E.E.a , Voskresensky, D.N.b a Department of Physics, Faculty of Natural Sciences, Matej Bel University, SK-97401 Banska Bystrica, Slovakia b Department of Theoretical Nuclear Physics, National Research Nuclear University MEPhI
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Аннотация

This article reviews positive and negative time delays in various processes of classical and quantum physics. In the beginning, we demonstrate how a time-shifted response of a system to an external perturbation appears in classical mechanics and classical electrodynamics. Then we quantify durations of various quantum mechanical processes. The duration of the quantum tunneling is studied, and an interpretation of the Hartmann paradox is suggested. Time delays and advances appearing in the three-dimensional scattering problem on a central potential are considered. We then discuss delays and advances appearing in quantum field theory and after that we focus on the issue of time delays and advancements in quantum kinetics. We discuss problems of the application of generalized kinetic equations in simulations of the system relaxation toward equilibrium and analyze the kinetic entropy flow. Possible measurements of time delays and advancements in experiments similar to the recent OPERA neutrino experiment are also discussed.
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