work output and efficiency of a reversible quantum otto cycle

Clicks: 13
ID: 251818
2010
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Abstract
An idealized reversible Otto cycle working with a single quantum mechanical particle contained in a potential well is investigated based on the Schrödinger equation in this paper. The model of a reversible quantum Otto cycle, which consists of two reversible adiabatic and two constant-well widen branches, is established. As an example, we calculate a particularly simple case in which only two of the eigenstates of the potential well contribute to the wave-function in the well. The relationship between the optimal dimensionless work output W vs. the efficiency h for the two-eigenstate system is derived. The efficiency of this quantum cycle is shown to equal that of a classical reversible Otto cycle because quantum dynamics is reversible.
Reference Key
wu2010thermalwork Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Feng Wu;Zhichun Yang;Lingen Chen;Xiaowei Liu;Shuang Wu
Journal Nature
Year 2010
DOI
TSCI1004879W
URL
http://thermalscience.vinca.rs/2010/4/2
Keywords
optimal work output

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