| Original Articles |
|
|
|
|
Josephson Effect of Dilute Bose--Einstein Condensates in Laser-Modulated Double Wells |
| LI Yan 1,2,3;LIU Min 1,2,3;ZHAN Ming-Sheng 1,2 |
| 1State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 4300712Center for Cold Atom Physics, Chinese Academy of Sciences, Wuhan 430071 3Graduate School of the Chinese Academy of Sciences, Beijing 100080 |
|
| Cite this article: |
|
LI Yan, LIU Min, ZHAN Ming-Sheng 2007 Chin. Phys. Lett. 24 675-678 |
|
|
|
|
Abstract The Josephson effect of Bose condensates with a weak link created by superposing a far-off-resonant red-detuned laser beam on a double-well potential is theoretically considered. The numerical simulations show that there would be clear Josephson effect for this sort of three-well system. The present work gives a feasible scheme to study a new type of weak link which is crucial to investigate experimentally the Josephson effect.
|
| Keywords:
32.80.Pj
03.75.Lm
73.40.Gk
|
|
|
Received: 30 October 2006
Published: 08 February 2007
|
|
| PACS: |
32.80.Pj
|
|
| |
03.75.Lm
|
(Tunneling, Josephson effect, Bose-Einstein condensates in periodic potentials, solitons, vortices, and topological excitations)
|
| |
73.40.Gk
|
(Tunneling)
|
|
|
|
|
|
[1] Anderson M H, Ensher J R, Matthews M R, Wieman C E and CornellE A 1995 Science 269 198 Bradley C C, Sackett C A, Tollett J J and Hulet R G 1995 Phys. Rev. Lett. 75 1687 Davies K B, Mewes M O, Andrews M R, van Druten N J, Durfee D S,Kurn D M and Ketterle W 1995 Phys. Rev. Lett. 75 3969
[2] Andrews M R, Townsend C G, Miesner H J, Durfee D S, Kurn D Mand Ketterle W 1997 Science 275 637
[3] Naraschewski M, Wallis H, Schenzle A, Cirac J I and Zoller P1996 Phys. Rev. A 54 2185
[4] Wong T, Collett M J and Walls D F 1996 Phys. Rev. A 54 R3718
[5] Shin Y, Saba M, Pasquini T A, Ketterle W, Pritchard D E andLeanhardt A E 2004 Phys. Rev. Lett. 92 050405
[6] Xiong H, Liu S, Huang G and Xu Z 2002 J. Phys. B: At.Mol. Opt. Phys. 35 4863
[7] Liu S, Xiong H, Xu Z and Huang G 2003 J. Phys. B: At.Mol. Opt. Phys. 36 2083 Xiong H, Liu S and Zhan M S 2006 Phys. Rev. B 73224505
[8] Smerzi A, Fantoni S, Giovanazzi S and Shenoy S R 1997 Phys. Rev. Lett. 79 4950
[9] Tsukada N, Gotoda M, Nomura Y and Isu T 1999 Phys. Rev.A 59 3862
[10] Milburn G J, Corney J, Wright E M and Walls D F 1997 Phys. Rev. A 55 4318
[11] Giovanazzi S, Smerzi A and Fantoni S 2000 Phys. Rev.Lett. 84 4521
[12] Paredes R 2006 Phys. Rev. A 73 033616
[13] Albiez M, Gati R, F\"{olling J, Hunsmann S, Cristiani M andOberthaler M K 2005 Phys. Rev. Lett. 95 010402
[14] Eckardt A, Jinasundera T, Weiss C and Holthaus M 2005 Phys. Rev. Lett. 95 200401
[15] Sakellari E, Proukakis N P, Leadbeater M and Adams C S 2004 New. J. Phys. 6 42 Sakellari E, Leadbeater M, Kylstra N J and Adams C S 2002 Phys. Rev. A 66 033612
[16] Josephson B D 1962 Phys. Lett. 1 251
[17] Likharev K K 1979 Rev. Mod. Phys. 51 101
[18] Davis J C and Packard R E 2002 Rev. Mod. Phys. 74741 Cataliotti F S, Burger S, Fort C , Maddaloni P, Minardi F,Trombettoni A, Smerzi A and Inguscio M 2001 Science 293843 Greiner M, Mandel O, Esslinger T, H\"{ansch T W and Bloch I 2002 Nature 415 39
[19] Meystre P 2001 Atom Optics (New York: Springer)
[20] Gross E P 1961 Nuovo Cimento 20 454 Gross E P 1963 J. Math. Phys. 4 195 Pitaevskii L P 1961 Sov. JETP 13 451 Bao W, Jaksch D and Markowich P A 2003 J. Computat. Phys. 187 318 |
|
Viewed |
|
|
|
Full text
|
|
|
|
|
Abstract
|
|
|
|
|
