On the application of the strong property fluctuation theory for homogenizing chiral-in-chiral composites

Bernhard Michel, Akhlesh Lakhtakia

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

The bilocal approximation is used along with the strong property fluctuation theory (SPFT) to homogenize (i.e. estimate the effective constitutive properties of) a chiral-in-chiral composite. Important properties of the covariance function of the spatial distribution of the two materials are deduced and interpreted with respect to the homogenization results. Comparison is made with the Maxwell Garnett and the Bruggeman approaches. The correlation length is an additional parameter that distinguishes the SPFT in the bilocal approximation from the Bruggeman approach (as well as from the Maxwell Garnett approach). The SPFT in the bilocal approximation turns out to be a size-dependent extension of the Bruggeman approach, the two homogenization procedures yielding almost the same results at very long wavelengths but not at shorter wavelengths.

Original languageEnglish (US)
Pages (from-to)1431-1440
Number of pages10
JournalJournal of Physics D: Applied Physics
Volume29
Issue number6
DOIs
StatePublished - Jun 14 1996

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Acoustics and Ultrasonics
  • Surfaces, Coatings and Films

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