Transverse Alignment of Fibers in a Periodically Sheared Suspension: An Absorbing Phase Transition with a Slowly Varying Control Parameter

Alexandre Franceschini, Emmanouela Filippidi, Elisabeth Guazzelli, and David J. Pine
Phys. Rev. Lett. 107, 250603 – Published 16 December 2011
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    Shearing solutions of fibers or polymers tends to align fiber or polymers in the flow direction. Here, non-Brownian rods subjected to oscillatory shear align perpendicular to the flow while the system undergoes a nonequilibrium absorbing phase transition. The slow alignment of the fibers can drive the system through the critical point and thus promote the transition to an absorbing state. This picture is confirmed by a universal scaling relation that collapses the data with critical exponents that are consistent with conserved directed percolation.

    • Received 28 July 2011


    © 2011 American Physical Society

    Authors & Affiliations

    Alexandre Franceschini1, Emmanouela Filippidi1, Elisabeth Guazzelli2, and David J. Pine1

    • 1Center for Soft Matter Research, Department of Physics, New York University, 4 Washington Place, New York, New York 10003, USA
    • 2IUSTI-CNRS UMR 6595–Polytech Marseille – Aix-Marseille Université, 5 rue Enrico Fermi, 13453 Marseille Cedex 13, France

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    Vol. 107, Iss. 25 — 16 December 2011

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