Bẫy quang học nguyên tử lạnh trung hòa dựa trên các mode plasmon bề mặt

   1  1  2   kim .      1.             gian .          v n.          -      [4- nanotube [6], etc.         t -10]      1 ThS, T 2  laser B        -      Kretschmann      2.  2.1.                    (surface plasmon -   - -                    -    [8, 10]         [1] m                     z - . z  00 exp{ / } z V V z z   , (1) V 0  0  -      2.2                z     0 22 / 0 2 ( ) ( ) 2 zz z d V e z E z m dz          , (2) E z z     V-potential. 00 2V z z V , (3)       V-z   V    1/3 00 2 0 4 2 z z m E V xz z         , (4)  ( ) ( ) 0x x x    . (5)      ( ) onst.Aix C x   , (6) z= z=0     1/3 00 2 0 4 2 z n z m E V E Ai z          . (7)  V (V-potential)     V-    V-  V-   -   - parabol   -  3.      evanescent plasmon     z  - V-potential.           .  z x, y   1. 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R., Radiative decay engineering 5: metal-enhanced fluorescence and plasmon emission, Anal Biochem, 337(2), pp.171-194, 2005. 8. Barnes W. L., Dereux A. & Ebbesen T. W., Surface Plasmon subwavelength optics, Nature, 424, pp.824-830, 2003. 9. Yun C. S., Javier A., Jennings T., Fisher M., Hira S., Peterson S., Hopkins B., Reich N. O., and Strouse G. F., Nanometal Surface Energy Transfer in Optical Rulers, Breaking the FRET Barrier, J. Am. Chem. Soc, 127(9), pp.3115-3119, 2005. 10. Plasmonic waveguides based on synthetic nanomembranes, SPIE Newsroom, Nanotecnology, 2011. 11. Blinder S. M, Particle in an finite Vee-potential, http://demonstrations.wolfram.com/ParticleInAnInfiniteVeePotential/, 2010. OPTICAL TRAPPING COLD NEUTRAL ATOMS BASED ON SURFACE PLASMON MODES Nguyen Thi Phuong Lan, Do Chi Nghia, Nguyen Ai Viet Abstract In this paper, we present a schema of trapping cold atoms based on the surface plasmon modes. These plasmon modes can be created when a Bessel beam light is totally reflected internally at the planar dielectric substrate on which a thin metallic film has been deposited. By evanescent plasmon modes, the wave decays away from the thin film producing an attractive optical potential for trapping neutral atom. We consider some possible boundary conditions leading to the non-trivial bound state solution in the z-direction perpendicular to the surface plane. Our model could be comparable with some recent trapping models. . SURFACE PLASMON MODES Nguyen Thi Phuong Lan, Do Chi Nghia, Nguyen Ai Viet Abstract In this paper, we present a schema of trapping cold atoms based on the surface plasmon modes. These plasmon modes. engineering 5: metal-enhanced fluorescence and plasmon emission, Anal Biochem, 337(2), pp.171-194, 2005. 8. Barnes W. L., Dereux A. & Ebbesen T. W., Surface Plasmon subwavelength optics, Nature,. planar dielectric substrate on which a thin metallic film has been deposited. By evanescent plasmon modes, the wave decays away from the thin film producing an attractive optical potential for