Fluctuation dissipation relations in stationary states of interacting Brownian particles under shear
arXiv:0903.0558 · doi:10.1103/PhysRevLett.102.135701
Abstract
The fluctuation dissipation theorem (FDT) is studied close to the glass transition in colloidal suspensions under steady shear. Shear breaks detailed balance in the many-particle Smoluchowski equation, and gives response functions in the stationary state which are smaller at long times than estimated from the equilibrium FDT. During the final shear-driven decay, an asymptotically constant relation connects response and fluctuations, restoring the form of the FDT with, however, a ratio different from the equilibrium one.
arXiv commentaccepted to Phys. Rev. Lett.
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