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Derivation of the diffusion equation and radiation boundary condition from the Fokker-Planck equation

S. V. G. Menon and D. C. Sahni
Phys. Rev. A 32, 3832(R) – Published 1 December 1985
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Abstract

A new derivation of the diffusion equation and the radiation boundary condition (at a partially absorbing boundary) from the Fokker-Planck equation is presented. The range of validity of the diffusion equation is discussed.

  • Received 14 January 1985

DOI:https://doi.org/10.1103/PhysRevA.32.3832

©1985 American Physical Society

Authors & Affiliations

S. V. G. Menon and D. C. Sahni

  • Bhabha Atomic Research Centre, Theoretical Physics Division, Central Complex, Bombay 400 085, India

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Issue

Vol. 32, Iss. 6 — December 1985

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