Equilibrium orientation of an ellipsoidal particle inside a dielectric medium with a finite electric conductivity in the external electric field

Yu Dolinsky, T. Elperin

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

We study the stability of the orientation of an ellipsoidal dielectric particle immersed into a host dielectric medium under the action of the external electric field. It is assumed that the particle and the host medium have a finite electric conductivity. We demonstrate that an equilibrium orientation of the ellipsoidal particle changes with time in a stationary electric field with a constant direction. It was found that during time interval T1 an equilibrium orientation of the spheroidal particle with a finite electric conductivity remains the same as the equilibrium orientation of an ideal dielectric particle. During time interval T2, where T=T1+T2 is a period of the external electric field, the equilibrium orientation of the axis of symmetry of the particle is normal to the initial equilibrium direction.

Original languageEnglish
Article number056611
JournalPhysical Review E
Volume71
Issue number5
DOIs
StatePublished - 1 May 2005

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Statistics and Probability
  • Condensed Matter Physics

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