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Mixing formulas in time domain

Publiceringsår: 1997
Språk: Engelska
Publikation/Tidskrift/Serie: Technical Report LUTEDX/(TEAT-7056)/1-24/(1997)
Volym: TEAT-7056
Dokumenttyp: Rapport
Förlag: [Publisher information missing]


This paper discusses the dispersive properties of dielectric materials both in

the time and the frequency domains. Special emphasis is on the treatment

of heterogeneous materials, in particular two-phase mixtures. A time domain

Maxwell Garnett rule is derived which differs from the corresponding

frequency domain formula in the respect that it is expressed in terms of convolutions

and inverse operators of the susceptibility kernels of the materials.

Much of the analysis deals with the question how the temporal dispersion of

the dielectric response of various physical materials is affected by the mixing

process. Debye, Lorentz, Drude, and modified Debye susceptibility models

are treated in detail.


  • Other Electrical Engineering, Electronic Engineering, Information Engineering
  • Electrical Engineering, Electronic Engineering, Information Engineering


  • Electromagnetic theory-lup-obsolete

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