2020
DOI: 10.1038/s41598-020-70441-z
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Experimental study of the nonreciprocal effective interactions between microparticles in an anisotropic plasma

Abstract: There is a variety of cases in nature when the action–reaction symmetry is broken. In particular, suitable conditions for this are realized in colloidal suspensions and complex plasmas. Since the first theories and simulations of the nonreciprocal effective interactions between microparticles in complex plasmas were published in 1995–1996, there have been hundreds of studies in the theoretical development of this theme. However, despite such a rich theoretical background, one of the important unsolved problems… Show more

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Cited by 32 publications
(13 citation statements)
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“…In addition to Janus particles in a gas-discharge plasma, 14,15 suitable conditions can be realized for self-propelled particle pairs 41,42 formed by the effective nonreciprocal forces of the wake-mediated interaction between microparticles. 43 Another unusual example of underdamped active Brownian motion is the so-called vibrobots, which convert vibrational energy into directed motion using their tilted elastic legs. 27,44 A non-obvious question to ask is what kind of motion would one expect for a self-propelled particle in 'nonviscous' fluids.…”
Section: Discussionmentioning
confidence: 99%
“…In addition to Janus particles in a gas-discharge plasma, 14,15 suitable conditions can be realized for self-propelled particle pairs 41,42 formed by the effective nonreciprocal forces of the wake-mediated interaction between microparticles. 43 Another unusual example of underdamped active Brownian motion is the so-called vibrobots, which convert vibrational energy into directed motion using their tilted elastic legs. 27,44 A non-obvious question to ask is what kind of motion would one expect for a self-propelled particle in 'nonviscous' fluids.…”
Section: Discussionmentioning
confidence: 99%
“…The downstream microparticle then experiences an attractive force towards the upstream particle wake, thus aligning grains along the ion flow direction. Many aspects of the ion wake formation and associated modifications of the particle interaction potential in various laboratory conditions have been studied theoretically, numerically and experimentally (see, e.g., References [ 11 , 12 , 13 , 14 , 15 ] and references herein). However, most of the theoretical results indicate that, to provide such an effective particle-wake interaction, the ion flow velocity should be in the order of the sound velocity.…”
Section: Introductionmentioning
confidence: 99%
“…These charged grains effectively interact with each other as well as with an external electrical field. The action of external forces and forces of interaction combined with dissipative mechanisms in these systems can lead to the self-organization of the system, resulting in the formation of quasistationary crystal- or liquid-like structures 21 33 .…”
Section: Methodsmentioning
confidence: 99%