Articles written in Pramana – Journal of Physics
Volume 65 Issue 1 July 2005 pp 147-152
It is shown that the semi-classical limit of solutions to the Klein-Gordon equation gives the particle probability density that is in direct proportion to the inverse of the particle velocity. It is also shown that in the case of the Dirac equation a different result is obtained.
Volume 78 Issue 5 May 2012 pp 679-685 Research Articles
The time derivative of the position of a relativistic wave packet is evaluated. It is found that it is equal to the mean value of the momentum of the wave packet divided by the mass of the particle. The equation derived represents a relativistic version of the second Ehrenfest theorem.
Volume 94, 2020
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