✦ LIBER ✦

On the role of period-amplitude dependence in the study of inertial effects and dipole-dipole coupling

✍ Scribed by William Coffey

Publisher: Elsevier Science
Year: 1986
Tongue: English
Weight: 570 KB
Volume: 123
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(86)80034-3

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✦ Synopsis

An exact analytical formula for the complex polartzability of two dipoles constrained to rotate in two dimensions under the influence of their mutual dipole-dipole coupling is derived subject to the condition that the motion is lightly damped and that non-linear effects are weak. The inclusion of non-hnear effects due to the cosine potential of dtpole-dipole interaction even in first approximation

indicates that the natural frequency of oscillation of the angular velocity correlation functions depends on their amplitude and thus on the temperature.

The frequency of maximum far-infrared power absorption is found to depend on temperature in accordance with an earlier finding of Marchesoni.

The Q factor of the system appears to decrease with temperature in the same way as the natural frequency, but the bandwidth is relatively unaffected.

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