Bistability and “Negative” Viscosity for a Suspension of Insulating Particles in an Electric Field

6533b832fe1ef96bd129a2b6

RESEARCH PRODUCT

Bistability and “Negative” Viscosity for a Suspension of Insulating Particles in an Electric Field

subject

Physics::Fluid Dynamics Condensed Matter::Soft Condensed Matter Physics Viscosity Condensed matter physics Bistability Electric field Brownian dynamics General Physics and Astronomy Thermal fluctuations Angular velocity Conductivity Suspension (vehicle)

description

It is shown that a suspension of insulating particles in a liquid with low conductivity possesses bistability and has a "negative" effective viscosity effect in the electric field due to internal rotations. By Brownian dynamics simulation it has been found that thermal fluctuations of the angular velocity of particles in this bistable system can have a large effect on the viscosity of the suspension.

year	journal	country	edition	language
2003-07-21	Physical Review Letters

https://doi.org/10.1103/physrevlett.92.034501

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