Journal of Modern Physics
Volume 4, Issue 10 (October 2013)
ISSN Print: 2153-1196 ISSN Online: 2153-120X
Google-based Impact Factor: 0.86 Citations h5-index & Ranking
Entropy Rate of Thermal Diffusion ()
Affiliation(s)
ABSTRACT
The thermal diffusion of a free particle is a random process and generates entropy at a rate equal to twice the particle’s temperature, (in natural units of information per second). The rate is calculated using a Gaussian process with a variance of which is a combination of quantum and classical diffusion. The solution to the quantum diffusion of a free particle is derived from the equation for kinetic energy and its associated imaginary diffusion constant; a real diffusion constant (representing classical diffusion) is shown to be . We find the entropy of the initial state is one natural unit, which is the same amount of entropy the process generates after the de-coherence time, .
KEYWORDS
Share and Cite:
Cited by
Copyright © 2024 by authors and Scientific Research Publishing Inc.
This work and the related PDF file are licensed under a Creative Commons Attribution 4.0 International License.