Naslov
Hydrodynamic synchronization of autonomously oscillating particles in an optical trap

Autori
Vilfan, Andrej ; Kavre Piltaver, Ivna ; Babič, Dušan

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, pp prezentacija, znanstveni

Skup
Flowing Matter 2014

Mjesto i datum
Lisabon, Portugal, 15.12.2014. - 17.12.2014

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
hydrodinamic synchronization ; optical tweezers ; colloidal particles

Sažetak
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.

Izvorni jezik
Engleski

Znanstvena područja
Fizika

Napomena
Predavanje je održao Andrej Vilfan

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