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arXiv · 0903.4538

Some mechanisms of "spontaneous" polarization of superfluid He-4

Maksim D. Tomchenko
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Abstract

Previously, a quantum "tidal" mechanism of polarization of the atoms of He-II was proposed, according to which, as a result of interatomic interaction, each atom of He-II acquires small fluctuating dipole and multipole moments, oriented chaotically on the average. In this work, we show that, in the presence of a temperature or density gradient in He-II, the originally chaotically oriented tidal dipole moments of the atoms become partially ordered, which results in volume polarization of He-II. It is found that the gravitational field of the Earth induces electric induction U =10(-7)V in He-II (for vessel dimensions of the order of 10 cm). We study also the connection of polarization and acceleration, and discuss a possible nature of the electric signal dU = kdT/2e observed by A.S. Rybalko in experiments with second sound.

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Maksim D. Tomchenko. 2010-06-06. Some mechanisms of "spontaneous" polarization of superfluid He-4. https://doi.org/10.1007/s10909-009-0057-y

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