Browsing Department of Physics by Author "Das, R."

Browsing Department of Physics by Author "Das, R."

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  • Pattanayak, S.; Das, R.; Kumar, M.; Mishra, S. (Springer New York LLC, 2019-05-01)
    Abstract.: We study the motion of an active Brownian particle (ABP) using the overdamped Langevin dynamics on a two-dimensional substrate with periodic array of obstacles and in a quasi-one-dimensional corrugated channel ...
  • Das, R.; Kumar, M.; Mishra, S. (American Physical Society, 2020-01-27)
    We introduce a minimal model for a two-dimensional polar flock with nonquenched rotators and show that the rotators make the usual macroscopic long-range order of the flock more robust than the clean system. The rotators ...
  • Das, R.; Kumar, M.; Mishra, S. (Nature Publishing Group, 2017-12-01)
    We introduce a lattice model for active nematic composed of self-propelled apolar particles, study its different ordering states in the density-temperature parameter space, and compare with the corresponding equilibrium ...
  • Das, R.; Mishra, S.; Puri, S. (Institute of Physics Publishing, 2018-02-03)
    Ordering dynamics of self-propelled particles in an inhomogeneous medium in two dimensions is studied. We write coarse-grained hydrodynamic equations of motion for density and polarisation fields in the presence of an ...

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