Výsledky vyhledávání - "Stoop, Ralph L."

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Collective Directional Locking of Colloidal Monolayers on a Periodic Substrate

Autor: Stoop, Ralph L., Straube, Arthur V., Johansen, Tom H, Tierno, Pietro

We investigate the directional locking effects that arise when a monolayer of paramagnetic colloidal particles is driven across a triangular lattice of magnetic bubbles. We use an external rotating magnetic field to generate a two dimensional traveli

Externí odkaz: http://arxiv.org/abs/2001.06897

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Enhancing nanoparticle diffusion on a unidirectional domain wall magnetic ratchet

Autor: Stoop, Ralph L., Straube, Arthur V., Tierno, Pietro

The performance of nanoscale magnetic devices is often limited by the presence of thermal fluctuations, while in micro-nanofluidic applications the same fluctuations may be used to spread reactants or drugs. Here we demonstrate the controlled motion

Externí odkaz: http://arxiv.org/abs/1811.05762

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Clogging and Jamming of Colloidal Monolayers Driven Across a Disordered Landscape

Autor: Stoop, Ralph L., Tierno, Pietro

We experimentally investigate the clogging and jamming of interacting paramagnetic colloids driven through a quenched disordered landscape of fixed obstacles. When the particles are forced to cross a single aperture between two obstacles, we find an

Externí odkaz: http://arxiv.org/abs/1712.05321

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Cortical columns for quick brains

Autor: Stoop, Ralph L., Saase, Victor, Wagner, Clemens, Stoop, Britta, Stoop, Ruedi

It is widely believed that the particular wiring observed within cortical columns boosts neural computation. We use rewiring of neural networks performing real-world cognitive tasks to study the validity of this argument. In a vast survey of wirings

Externí odkaz: http://arxiv.org/abs/1204.4558

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