High-frequency resonance absorption as evidence for oscillation in a well before escape from a metastable state in the kramers energy controlled diffusion model

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Abstract

A variety of disparate physical systems which are modeled in terms of their relaxation behavior by the Brownian motion in a potential and its extensions to anomalous diffusion exhibit slow overbarrier relaxation accompanied by relatively fast relaxation due to exponential decays in the potential wells and high frequency resonance absorption due to small oscillations about the minima of the wells. It is argued that the high frequency resonant process provides abundant evidence for the Kramers concept of oscillations in a potential well of particles with energy equal to the separatrix energy before escape as both are simply limiting cases of the same family of librational dynamical processes in a well. © 2013 Springer Science+Business Media Dordrecht.

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Coffey, W. T., Kalmykov, Y. P., Titov, S. V., & Crothers, D. S. F. (2013). High-frequency resonance absorption as evidence for oscillation in a well before escape from a metastable state in the kramers energy controlled diffusion model. NATO Science for Peace and Security Series B: Physics and Biophysics, 151–162. https://doi.org/10.1007/978-94-007-5012-8_11

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