Friction of the QED vacuum on spinning matter

Rotation, contrary to translational motion, is defined absolutely. As a consequence of this general principle, a resistive torque is felt by a rotating piece of dielectric by the scattering of the fluctuations of the QED (quantum electrodynamics) vacuum. A rotating dielectric radiates torque, and pa...

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Bibliographic Details
Published in:Europhysics letters 2006-06, Vol.74 (6), p.951-957
Main Author: Pomeau, Y
Format: Article
Language:English
Subjects:
03.65.Ta
05.30.-d
06.30.Gv
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Summary:Rotation, contrary to translational motion, is defined absolutely. As a consequence of this general principle, a resistive torque is felt by a rotating piece of dielectric by the scattering of the fluctuations of the QED (quantum electrodynamics) vacuum. A rotating dielectric radiates torque, and part of this torque could be absorbed by a nonrotating dielectric nearby. This torque on a nonrotating object could be more easily measured than a contribution to the damping of the rotation of a spinning piece of matter.
ISSN:0295-5075
1286-4854
DOI:10.1209/epl/i2005-10595-x