Swim stress, motion, and deformation of active matter: effect of an external field
نویسندگان
چکیده
منابع مشابه
Swim stress, motion, and deformation of active matter: effect of an external field.
We analyze the stress, dispersion, and average swimming speed of self-propelled particles subjected to an external field that affects their orientation and speed. The swimming trajectory is governed by a competition between the orienting influence (i.e., taxis) associated with the external (e.g., magnetic, gravitational, thermal, nutrient concentration) field versus the effects that randomize t...
متن کاملSwim pressure: stress generation in active matter.
We discover a new contribution to the pressure (or stress) exerted by a suspension of self-propelled bodies. Through their self-motion, all active matter systems generate a unique swim pressure that is entirely athermal in origin. The origin of the swim pressure is based upon the notion that an active body would swim away in space unless confined by boundaries-this confinement pressure is preci...
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ژورنال
عنوان ژورنال: Soft Matter
سال: 2014
ISSN: 1744-683X,1744-6848
DOI: 10.1039/c4sm01409j