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We present computational results associated with the onset of a spin-dependent optical force component occurring on zinc oxide nanowires trapped in optical tweezers with circularly polarized light. This type of non-conservative force appears directed perpendicularly with respect to the propagation direction of the incident light on the nanowires both for plane wave illumination and for optical tweezers. We show how this transverse optical force component is also shape dependent and connected with the imaginary part of the local Poynting vector and the local spin density.
Springer Berlin Heidelberg
Publication date: 
1 Jan 2021

P Polimeno, MA Iatì, C Degli Esposti Boschi, SH Simpson, V Svak, O Brzobohatý, P Zemánek, OM Maragò, R Saija

Biblio References: 
Volume: 136 Issue: 1 Pages: 1-15
The European Physical Journal Plus