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Calculation of Local Fields for Clusters of Ellipsoids Within the T-Katrix Approach

Published online by Cambridge University Press:  28 February 2011

Manuel Gomez ,
Luis F. Fonseca ,
Luis Cruz  and
William Vargas
Manuel Gomez
Affiliation:
Physics Department, University of Puerto Rico, Rio Piedras, Puerto Rico 00931
Luis F. Fonseca
Affiliation:
Escuela de Fisica, Universidad de Costa Rica, San Jose, Costa Rica
Luis Cruz
Affiliation:
Physics Department, University of Puerto Rico, Rio Piedras, Puerto Rico 00931
William Vargas
Affiliation:
Escuela de Fisica, Universidad de Costa Rica, San Jose, Costa Rica
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Abstract

A T-matrix formalism is used to calculate local electric fields around clusters of prolate ellipsoids in the long wavelength regime. The calculations are performed as a function of interparticle distance as well as angle of orientation. The observed red shifts in the resonant wavelengths of the characteristic peaks are shown to obey an exponential relationship as a function of interparticle separation and a sinusoidal relationship as a function of angle of rotation of the ellipsoid. The behavior of the cluster is discussed and the two effects, of separation and rotation, are compared.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 195: Symposium S – Physical Phenomena in Granular Materials , 1990 , 109
Copyright
Copyright © Materials Research Society 1990

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References

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