Virginia TechDong, J. J.Klumpp, S.Zia, Royce K. P.2013-12-102013-12-102012-09-27Dong, Jiajia ; Klumpp, Stefan ; Zia, Royce K. P., Sep 27, 2012. “Entrainment and Unit Velocity: Surprises in an Accelerated Exclusion Process,” PHYSICAL REVIEW LETTERS 109(13): 130602. DOI: 10.1103/PhysRevLett.109.1306020031-9007http://hdl.handle.net/10919/24490We introduce a class of distance-dependent interactions in an accelerated exclusion process inspired by the observation of transcribing RNA polymerase speeding up when "pushed" by a trailing one. On a ring, the accelerated exclusion process steady state displays a discontinuous transition, from being homogeneous (with augmented currents) to phase segregated. In the latter state, the holes appear loosely bound and move together, much like a train. Surprisingly, the current-density relation is simply J = 1 - rho, signifying that the "hole train" travels with unit velocity.en-USIn CopyrightkineticsmodelsPhysicsArticle - Refereedhttp://link.aps.org/doi/10.1103/PhysRevLett.109.130602https://doi.org/10.1103/PhysRevLett.109.130602