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Phys Rev E Stat Phys Plasmas Fluids Relat Interdiscip Topics. 2000 Apr;61(4):4661. doi: 10.1103/physreve.61.4661.

Comment on "Dynamically maintained steady-state pressure gradients".

Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics

Duncan

Affiliations

  1. Center for Science Education, Portland State University, P.O. Box 751, Portland, Oregon 97207, USA.

PMID: 11088278 DOI: 10.1103/physreve.61.4661

Abstract

Sheehan [Phys. Rev. E 57, 6660 (1998)] recently discussed the possibility of establishing a dynamically maintained, steady-state pressure gradient in a gas filling a cavity. In this Comment it is pointed out that the pressure gradients in such a system, if attainable in the laboratory, could be used to violate the second law of thermodynamics.

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