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Active nematics on a substrate: giant number fluctuations and long-time tails
Sriram Ramaswamy, R. Aditi Simha, John Toner
We construct the equations of motion for the coupled dynamics of order parameter and concentration for the nematic phase of driven particles on a solid surface, and show that they…
A ratchet for heat transport between identical reservoirs
Souvik Das, Onuttom Narayan, Sriram Ramaswamy
A one-dimensional periodic array of elastically colliding hard points, with a non-centrosymmetric unit cell, connected at its two ends to {\em identical but non-thermal} energy res…
Anomalous heat conduction in one dimensional momentum-conserving systems
Onuttom Narayan, Sriram Ramaswamy
We show that for one dimensional systems with momentum conservation, the thermal conductivity generically diverges with system size as
Melting-freezing cycles in a relatively sheared pair of crystalline monolayers
Moumita Das, Sriram Ramaswamy, G. Ananthakrishna
The nonequilibrium dynamical behaviour that arises when two ordered two-dimensional monolayers of particles are sheared over each other is studied in Brownian dynamics simulations.…