Measurement-driven single temperature engine

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A four-stroke quantum engine which alternately interacts with a measurement apparatus and a single heat bath is discussed in detail with respect to the average work and heat as well as to the fluctuations of work and heat. The efficiency and the reliability of such an engine with a harmonic oscillator as working substance are analyzed under different conditions, such as different speeds of the work strokes, different temperatures of the heat bath, and various strengths of the energy supplying measurement. For imperfect thermalization strokes of finite duration also the power of the engine is analyzed. A comparison with a two-temperature Otto engine is provided in the particular case of adiabatic work and ideal thermalization strokes.
Publisher
AMER PHYSICAL SOC
Issue Date
2018-10
Language
English
Article Type
Article
Citation

PHYSICAL REVIEW E, v.98, no.4

ISSN
2470-0045
DOI
10.1103/PhysRevE.98.042122
URI
http://hdl.handle.net/10203/246316
Appears in Collection
NT-Journal Papers(저널논문)
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