Chayanika Shah
Articles written in Pramana – Journal of Physics
Volume 23 Issue 2 August 1984 pp 119-128 Solid State Physics
Dynamic response approach to dynamic image potential
P R Rao Chayanika Shah G Mukhopadhyay
A dielectric response approach to the dynamic image potential of a charged particle approaching a planar metal surface is formulated. A self-consistent scheme for calculating the instantaneous speed of the particle, and its image potential is also derived. It is shown that the scheme does not rely on the actual approximations made while describing the response of the metal with surface. Various approximations are discussed and the corresponding numerical results compared. The effect of self-consistency and inclusion of dispersion in metal is noticeable.
Volume 26 Issue 5 May 1986 pp 441-458 Solid State Physics
Dynamic response and frequency dependent local field correction for an electron gas system
We present here an approximate scheme to obtain the complex frequency-dependent local field correction,
Volume 27 Issue 3 September 1986 pp 483-483 Erratum
Dynamic response and frequency dependent local field corrections for an electron gas system
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