Výsledky vyhledávání - "Kaprál, A."

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Dynamics of Quantum Systems in Classical Nonequilibrium Environments

Autor: Schofield, Jeremy, Kapral, Raymond

The dynamics of a quantum system coupled to a classical environment and subject to constraints that drive it out of equilibrium is described. The evolution of the system is governed by the quantum-classical Liouville equation. Rather than evaluating

Externí odkaz: http://arxiv.org/abs/2411.18713

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Self-organization of active colloids mediated by chemical interactions

Autor: Peng, Zhiwei, Kapral, Raymond

Publikováno v: Soft Matter, 2024,20, 1100-1113

Self-propelled colloidal particles exhibit rich non-equilibrium phenomena and have promising applications in fields such as drug delivery and self-assembled active materials. Previous experimental and theoretical studies have shown that chemically ac

Externí odkaz: http://arxiv.org/abs/2401.04043

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Microscopic theory of a Janus motor in a non-equilibrium fluid: Surface hydrodynamics and boundary conditions

Autor: Robertson, Bryan, Schofield, Jeremy, Kapral, Raymond

We present a derivation from first principles of the coupled equations of motion of an active self-diffusiophoretic Janus motor and the hydrodynamic densities of its fluid environment that are nonlinearly displaced from equilibrium. The derivation ma

Externí odkaz: http://arxiv.org/abs/2310.19004

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Clustering of chemically propelled nanomotors in chemically active environments

Autor: Khatri, Narender, Kapral, Raymond

Publikováno v: Chaos 34, 033103 (2024)

Synthetic nanomotors powered by chemical reactions have been designed to act as vehicles for active cargo transport, drug delivery as well as a variety of other uses. Collections of such motors, acting in consort, can self-assemble to form swarms or

Externí odkaz: http://arxiv.org/abs/2307.11938

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Chemical logic gates on active colloids

Autor: Chen, Jiang-Xing, Hu, Jia-Qi, Kapral, Raymond

Synthetic active colloidal systems are being studied extensively because of the diverse and often unusual phenomena these nonequilibrium systems manifest, and their potential applications in fields ranging from biology to material science. Recent stu

Externí odkaz: http://arxiv.org/abs/2302.07670

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Inertial effects on rectification and diffusion of active Brownian particles in an asymmetric channel

Autor: Khatri, Narender, Kapral, Raymond

Publikováno v: J. Chem. Phys. 158, 124903 (2023)

Micro- and nano-swimmers moving in a fluid solvent confined by structures that produce entropic barriers are often described by overdamped active Brownian particle dynamics, where viscous effects are large and inertia plays no role. However, inertial

Externí odkaz: http://arxiv.org/abs/2301.02902

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