, Volume 24, Issue 2, pp 139-143
Date: 22 Oct 2007

Fractional Langevin equation and Riemann-Liouville fractional derivative

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Abstract.

In this present work we consider a fractional Langevin equation with Riemann-Liouville fractional time derivative which modifies the classical Newtonian force, nonlocal dissipative force, and long-time correlation. We investigate the first two moments, variances and position and velocity correlation functions of this system. We also compare them with the results obtained from the same fractional Langevin equation which uses the Caputo fractional derivative.