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We report model calculations of the time-dependent internal energy and entropy for a single quasi-free massive quantum particle at a constant temperature. We show that the whole process started from a fully coherent quantum state to thermodynamic equilibrium can be understood, based on statistics of diffracted matter waves. As a result of thermal interaction between the particle and its surroundings, the motion of the particle shows new feature.

KEYWORDS

Thermodynamics; Internal Energy; Entropy Generation

Cite this paper

J. Peng -Temperature Dependent Motion of a Massive Quantum Particle,- Journal of Modern Physics, Vol. 3 No. 7, 2012, pp. 610-614. doi: 10.4236-jmp.2012.37083.





Author: Jian-Ping Peng

Source: http://www.scirp.org/



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