A model of optical trapping cold atoms using a metallic nano wire with surface plasmon effect

In this work, we construct a new model of optical trapping cold atoms with a metallic nano wire by using surface plasmon effect generated by strong field of laser beams. Using the skin effect, we send a strong oscillated electromagnetic filed through the surface of a metallic nano wire. The local fi...

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Bibliographic Details
Published in:Journal of physics. Conference series 2016-06, Vol.726 (1), p.12008
Main Authors: Lan, Nguyen Thi Phuong, Nga, Do Thi, Viet, Nguyen Ai
Format: Article
Language:English
Subjects:
Carbon nanotubes
Cold
Cold atoms
Laser beams
Optical fibers
Optical trapping
Optical traps
Physics
Skin effect
Wire
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Summary:In this work, we construct a new model of optical trapping cold atoms with a metallic nano wire by using surface plasmon effect generated by strong field of laser beams. Using the skin effect, we send a strong oscillated electromagnetic filed through the surface of a metallic nano wire. The local field generated by evanescent effect creates an effective attractive potential near the surface of metallic nano wires. The consideration of some possible boundary and frequency conditions might lead to non-trivial bound state solution for a cold atom. We discus also the case of the laser reflection optical trap with shell-core design, and compare our model with another recent schemes of cold atom optical traps using optical fibers and carbon nanotubes.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/726/1/012008