Hydrodynamic synchronization of autonomously oscillating optically trapped particles
Ellipsoidal micron-sized colloidal particles can oscillate spontaneously when trapped in a focused laser beam. If two oscillating particles are held in proximity their oscillations synchronize through hydrodynamic interactions. The degree of synchronization depends on the distance between the oscill...
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| Veröffentlicht in: | Physical review. E, Statistical, nonlinear, and soft matter physics Statistical, nonlinear, and soft matter physics, 2015-03, Vol.91 (3), p.031002-031002, Article 031002 |
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| container_issue | 3 |
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| container_title | Physical review. E, Statistical, nonlinear, and soft matter physics |
| container_volume | 91 |
| creator | Kavre, Ivna Vilfan, Andrej Babič, Dušan |
| description | Ellipsoidal micron-sized colloidal particles can oscillate spontaneously when trapped in a focused laser beam. If two oscillating particles are held in proximity their oscillations synchronize through hydrodynamic interactions. The degree of synchronization depends on the distance between the oscillators and on their orientation. Due to the anisotropic nature of hydrodynamic coupling the synchronization is strongest when particles are arranged along the direction of oscillations. Similar behavior is observed for many oscillating particles arranged in a row. Experimental observations are well reproduced with a model that uses a phenomenological description of the optical force and hydrodynamic interactions. Our results show that oscillating ellipsoidal particles can serve as a model system for studying hydrodynamic synchronization between biological cilia. |
| doi_str_mv | 10.1103/PhysRevE.91.031002 |
| format | Article |
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| ispartof | Physical review. E, Statistical, nonlinear, and soft matter physics, 2015-03, Vol.91 (3), p.031002-031002, Article 031002 |
| issn | 1539-3755 1550-2376 |
| language | eng |
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| source | MEDLINE; American Physical Society Journals |
| subjects | Hydrodynamics Models, Theoretical Motion Optical Tweezers |
| title | Hydrodynamic synchronization of autonomously oscillating optically trapped particles |
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