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  • John Lekner, Michael C. Dorf
  • Medicine, Physics
  • Applied optics
  • 1988 (First Published: 1 April 1988)
  • Angstrom has proposed that rough absorbing materials are darker when wet because their diffuse reflection makes possible total internal reflection in the water film covering them, increasing theContinue Reading
  • John Lekner
  • Physics
  • 2007 (First Published: 1 December 2007)
  • The one-dimensional potential well V(x)=−(ℏ2ν(ν+1)∕2ma2)sech2(x∕a) does not reflect waves of any energy when ν is a positive integer. We show that in this reflectionless case the solutions ofContinue Reading
  • John Lekner
  • Chemistry
  • 2011 (First Published: 1 February 2011)
  • Abstract Compact and exact expressions are obtained for the capacitance coefficients C aa , C bb and C ab of two conducting spheres of radii a and b , for any distance c between the sphere centres.Continue Reading
  • John Lekner
  • Mathematics
  • 1996 (First Published: 1 July 1996)
  • A review is given of the optical properties of isotropic chiral media, based on the symmetrized constitutive relations of Condon. The review includes discussion of wave propagation in chiral media,Continue Reading
  • John Lekner
  • Physics
  • 1994 (First Published: 1 November 1994)
  • A pedagogical presentation of the propagation of electromagnetic waves in stratified media is given. The usual 2 × 2 matrix analysis is simplified and generalized. A Bloch factor eigenvalue equationContinue Reading