A general formulation for discrete-time quantum mechanics, based on Feynman's method in ordinary quantum mechanics, is presented. It is shown that the ambiguities present in ordinary quantum mechanics (due to noncommutativity of the operators), are no longer present here. Then the criteria for the u
On a heuristic point of view related to quantum nonequilibrium statistical mechanics
โ Scribed by Norton G. de Almeida
- Publisher
- Elsevier Science
- Year
- 2008
- Tongue
- English
- Weight
- 307 KB
- Volume
- 387
- Category
- Article
- ISSN
- 0378-4371
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โฆ Synopsis
In this paper I propose a new way for counting the microstates of a system out of equilibrium. As, according to quantum mechanics, things happen as if a given particle can be found in more than one state at once, I extend this concept to propose the coherent access by a particle to the available states of a system. By coherent access I mean the possibility for the particle to act as if it is populating more than one microstate at once. This hypothesis has experimental implications, since the thermodynamical probability and, as a consequence, the Bose-Einstein distribution as well as the argument of the Boltzmann factor is modified.
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