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Article overview
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Shedding light onto topological insulator beads: perspectives for optical tweezing application | | Yuri G. Muller
; Winder A. Moura-Melo
; Jakson M. Fonseca
; | | Date: |
1 Sep 2016 | | Abstract: | The interaction of electromagnetic radiation with a spheric-type
three-dimensional topological insulator (TI) bead is described within classical
optics framework. By virtue of the topological magnetoelectric effect (TMEE)
experienced by reflected and transmitted rays at the TI surface, there appears
a net constant force on the spherical bead which is proportional to the fine
structure constant times the incident radiation power. Such an uniform dynamics
(constant acceleration) may be particularly useful for optical tweeezing
techniques, for instance, to investigate a DNA strip or a membrane piece under
stretching as well as to displace a tiny object by means of purely optical
control. | | Source: | arXiv, 1609.0308 | | Services: | Forum | Review | PDF | Favorites | |
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