Rangan Lahiri
Articles written in Pramana – Journal of Physics
Volume 62 Issue 5 May 2004 pp 1015-1028
Brownian motion in a classical ideal gas: A microscopic approach to Langevin’s equation
Rangan Lahiri Arvind Anirban Sain
We present an insightful ‘derivation’ of the Langevin equation and the fluctuation dissipation theorem in the specific context of a heavier particle moving through an ideal gas of much lighter particles. The Newton’s law of motion (
Volume 97, 2023
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