Publication: Variations on the adiabatic invariance: the Lorentz pendulum
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2012-12-20
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American Association of Physics Teachers
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Abstract
We analyze a very simple variant of the Lorentz pendulum, in which the length is varied exponentially, instead of uniformly, as it is assumed in the standard case. We establish quantitative criteria for the condition of adiabatic changes in both pendula and put in evidence their substantially different physical behavior with regard to adiabatic invariance.
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Published Online: December 2012 Accepted: October 2012
This paper is dedicated to the memory of coauthor Jesús Zoido, who unexpectedly passed away during the preparation of the final version.