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Influence of negative refractive index materials on repulsive Casimir forces

  • Ran Zeng*
  • , Ya Ping Yang
  • , Shu Tian Liu
  • *Corresponding author for this work
  • Harbin Institute of Technology
  • Tongji University

Research output: Contribution to journalArticlepeer-review

Abstract

The influence of negative refractive index materials on repulsive Casimir forces is studied. The repulsive Casimir interaction is determined by the electric and magnetic properties of the material slabs and the intermediate medium. Through theoretical analysis and numerical calculation, the condition for obtaining repulsive forces is presented. For the negative refractive index materials described by dispersive permittivity and permeability of Drude-Lorentz type, repulsive Casimir force can be realized by tuning the characteristic frequencies.

Original languageEnglish
Pages (from-to)4947-4952
Number of pages6
JournalWuli Xuebao/Acta Physica Sinica
Volume57
Issue number8
StatePublished - Aug 2008

Keywords

  • Drude-Lorentz permittivity and permeability
  • Negative refractive index materials
  • Repulsive Casimir force

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