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Electron-electron scattering and ultrasonic attenuation in potassium

Sathish, S and Chaterjee, S and Awasthi, ON and Gopal, ESR (1986) Electron-electron scattering and ultrasonic attenuation in potassium. In: Journal of Low Temperature Physics, 63 (5-6). pp. 423-429.

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Abstract

The electron-electron scattering contribution to the ultrasonic attenuation in potassium at low temperatures is evaluated using the Landau Fermi liquid theory. The scattering function is evaluated using the approximation suggested by MacDonald and Geldart. The results are compared with theoretically evaluated electron-phonon scattering contributions. The results show that the electron-electron scattering contribution is of the same order as the electron-phonon scattering contribution in the 2–5 K range. Below 2 K the electron-electron scattering predominates.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Springer.
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 10 Aug 2009 11:27
Last Modified: 19 Sep 2010 05:39
URI: http://eprints.iisc.ernet.in/id/eprint/21802

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