| Institute of Physics, VAST | Center for Theoretical Physics | Center for Computational Physics |
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2nd International Workshop on Theoretical
and Computational Physics (IWTCP-2):
Modern methods and latest results in
particle physics, nuclear physics and astrophysics
Buon Ma Thuot, 28-31 July 2014
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ProgrammeConference PresentationP.26 -- Poster, NCTP-39 Date: Wednesday, 30-07-2014 Time: 14h00 - 15h30 A model of optical trapping cold atoms by using surface plasmon effect with singularities generated by evanescence Bessel beamsNguyen Thi Phuong Lan (1), D.T. Thuy Nga (2), Do T. Nga (3) and N.A. Viet (3) (1) Hanoi Pedagogical University No.2; (2) Han Thuyen High School; (3) Institute of Physics When a laser Bessel beam light is totally reflected at the planar surface of a dielectric on which a thin film has been deposited, a surface plasmons with phase singularities can be produced. This two-dimensional plasmons lead to an attractive potential with enhancement. Using this effect, we construct a model for optical trapping cold atoms. Efficiency of the trap will be presented by a circle of radius r in the (x, y) directions and the distance d from planar surface in the z-direction. Presenter: Nguyen Thi Phuong Lan |
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Institute of Physics, VAST
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Center for Theoretical Physics |
Center for Computational Physics
© 2012 Center for Theoretical Physics & Center for Computational Physics Institute of Physics, VAST, 10 Dao Tan, Hanoi, Vietnam |