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Recent Submissions

  • Helical propulsion in shear-thinning fluids 

    Gómez, S; Godínez, FA; Lauga, E; Zenit, R (Cambridge University Press, 2017-02-01)
    Swimming micro-organisms often have to propel themselves in complex non-Newtonian fluids. We carry out experiments with self-propelling helical swimmers driven by an externally rotating magnetic field in shear-thinning ...
  • Can phoretic particles swim in two dimensions? 

    Sondak, D; Hawley, C; Heng, S; Vinsonhaler, R; Lauga, E; Thiffeault, J-L (American Physical Society, 2016-12-16)
    Artificial phoretic particles swim using self-generated gradients in chemical species (self-diffusiophoresis) or charges and currents (self-electrophoresis). These particles can be used to study the physics of collective ...
  • Worldline CPT and massless supermultiplets 

    Arvanitakis, AS; Mezincescu, L; Townsend, PK (World Scientific Publishing, 2016-09-30)
    The action for a massless particle in 4D Minkowski space–time has a worldline-time reversing symmetry corresponding to CPT invariance of the quantum theory. The analogous symmetry of the $\mathscr{N}$-extended superparticle ...
  • Long-range interactions, wobbles, and phase defects in chains of model cilia 

    Brumley, DR; Bruot, N; Kotar, J; Goldstein, RE; Cicuta, P; Polin, M (American Physical Soceity, 2016-12-13)
    Eukaryotic cilia and flagella are chemo-mechanical oscillators capable of generating long-range coordinated motions known as metachronal waves. Pair synchronization is a fundamental requirement for these collective dynamics, ...

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