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Dielectric Behaviour of Non‐Crystalline Model Systems Employment of an Embedding‐Field Method
Author(s) -
Lenk R.,
Ziegenhals G.
Publication year - 1980
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2221000222
Subject(s) - dielectric , electric field , lorentz transformation , scattering , field (mathematics) , embedding , local field , condensed matter physics , tin , physics , materials science , classical mechanics , optics , mathematics , quantum mechanics , pure mathematics , computer science , artificial intelligence , metallurgy
For a disordered system composed of identic spherically symmetric multipoles the relationships between averaged local and corresponding macroscopic field quantities are explored for static electric fields. This dielectric problem its analogous to the problem of multiple scattering of waves in a disordered muffin‐tin system. Therefore it is treated by an adaption of an embeddingfield method formerly developed for multiple scattering. The two different versions of the embedding scheme both yield the well‐known Lorentz formula for the local electric field. On the other hand, different results are obtained for the derivative of the field.