Volume 96, Number 2, October 2011
|Number of page(s)||4|
|Published online||27 September 2011|
Stochastic model related to the Klein-Gordon equation revisited
Department of Physics, Faculty of Science, University of Khartoum - P.O. Box 321, Khartoum 11115, Sudan
Accepted: 25 August 2011
Recently, Plyukhin and Schofield have shown that there is a close analogy between collective oscillation of a system composed of an assembly of interacting particles and the propagation of a free quantum particle in one dimension. They could not have interpreted some of the equations involved in this analogy. We show here that the arbitrary field, they have introduced, satisfies the Klein-Gordon equation, too. Moreover, the arbitrary field is proportional to the local electric field. This local electric filed may induce a transition between the two-particle states; one moving to the left and the other to the right with the speed of light.
PACS: 05.10.Gg – Stochastic analysis methods (Fokker-Planck, Langevin, etc.) / 05.60.Gg – Quantum transport / 02.50.Ey – Stochastic processes
© EPLA, 2011
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