Journal
CHINESE JOURNAL OF PHYSICS
Volume 70, Issue -, Pages 151-156Publisher
ELSEVIER
DOI: 10.1016/j.cjph.2021.01.004
Keywords
Quantum thermodynamics; Quantum mechanics; Carnot cycle; Quantum heat engine; Nano-Engine; Poschl-Teller model
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In this study, a quantum heat engine based on the strongly non-linear quantum oscillator described by the Poschl-Teller model is examined, showing similarities to a Carnot cycle. The efficiency of this quantum engine is derived and it exhibits analogous behavior to classical thermodynamic engines.
In this work, an example of a cyclic engine based on quantum-mechanical properties of the strongly non-linear quantum oscillator described by the Poschl-Teller [PT] model is examined. Using the [PT] model as shown in earlier works, a quantum-mechanical analogue of Carnot cycle (i.e. Quantum heat engine) has been constructed through the changes of both, the width L of the well and its quantum state. This quantum heat engine has a cycle consisting of adiabatic and isothermal quantum processes. The efficiency of the quantum engine based on the POschl-Tellerlike potential is derived and it's analogous to classical thermodynamic engines.
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