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Multiple-State Quantum Carnot Engine

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DOI: 10.4236/jmp.2011.211169    4,273 Downloads   8,022 Views   Citations

ABSTRACT

A multiple-state quantum Carnot engine based on single particle in one dimensional potential well is evaluated. The general forms of adiabatic and isothermal force as well as work are given. We apply them first to the simplest case of two-state system, and then to three-state and general n-state system. The first isothermal expansion starts from single ground state and cease to single highest state. In Addition to the simplest case, isothermal expansions may terminate not to highest state but an intermediate state but with the same of the total expansion. The result is that the efficiency of the multi-state machine could be enhanced by reducing the volume of isothermal expansion for the same of the total volume expansion.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

E. Latifah and A. Purwanto, "Multiple-State Quantum Carnot Engine," Journal of Modern Physics, Vol. 2 No. 11, 2011, pp. 1366-1372. doi: 10.4236/jmp.2011.211169.

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