• Isotropic Epsilon-Negative Particles 

      Autor: Macháč, Jan; Protiva, Pavel; Zehentner, Ján
      (IEEE, 2007-06)
      This paper presents two particles with negative permittivity in some frequency band. The response of a single dipole loaded by an inductance is strongly anisotropic. The response of a spider dipole does not depend on the ...