https://doi.org/10.1140/epjs/s11734-022-00728-x
Regular Article
Analysing the motion of scallop-like swimmers in a noisy environment
1
Department of Physics, Indian Institute of Science, 560012, Bangalore, India
2
Centre for Nano Science and Engineering, Indian Institute of Science, 560012, Bangalore, India
Received:
15
October
2022
Accepted:
21
November
2022
Published online:
5
December
2022
A scallop-like swimmer going back-and-forth (reciprocal motion) does not produce any net motility. We discuss a similar artificial microswimmer that is powered by magnetic fields. In the presence of thermal noise, the helical swimmer exhibits enhanced diffusivity during reciprocal actuation. The external magnetic drive can be further modified to break the reciprocity. Equipped with only the information on swimmer trajectories and orientations, we discuss quantitative methods to estimate the degree of reciprocity and non-reciprocity in such scenarios. The paper proposes a quantitative measure and validates the same with numerical simulations, further supported by experiments.
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© The Author(s), under exclusive licence to EDP Sciences, Springer-Verlag GmbH Germany, part of Springer Nature 2022. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
