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Atom movement in light-induced dipole lattices is investigated in this paper. Momentum-dependence of the dipole potential is particularly considered. Momentum squeezed variance and position amplified variance feature are revealed, from which we predict that a single particle state of boson atoms confined in optical lattice will approach to a momentum squeezed line state. The results show also that under red detune, the atom movement experiences three phases. In the first phase, the atom is slowed down gradually in a long period with atom momentum damply oscillating. In the second phase, atom momentum will quickly reduce to hk(Ω/γ)2 with hk momentum of one photon, Ω Rabi frequency, and γ decay constant of atom wave function, as the momentum reduces to the momentum of one photon. Finally, atoms will be confined in the vicinity of wave nodes.
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Keywords:
- momentum evolution /
- optical lattice /
- squeezed state
[1] Grynberg G, Robilliard C 2001 Phys. Rep. 355 335
[2] Balkin V I 1989 Phys.Today 42 23
[3] Meystre P 2001 Atom Optics(Berlin: Springer Verlag)
[4] Renn M J, Montgomery D, Vdovin O 1995 Phys. Rev. Lett. 75 3253
[5] Cook R J, Hill R K 1982 Opt. Commun. 43 758
[6] Olshanii M A, Ovchinnikov Y B, Letokhov V S 1993 Opt. Commun. 98 77
[7] Marksteiner S, Savage C M, Zoller P 1994 Phys. Rev. A 50 2680
[8] Drewsen M, Spreeuw R J C, Mlynek J 1996 Opt. Commun. 125 77
[9] Lanurence P D, Olivier H, Hong T D 1999 Opt. Commun. 166 199
[10] Helseth L E 2002 Opt. Commun. 212 343
[11] Helseth L E 2001 Opt. Commun. 191 161
[12] Yougworth K S, Brown T G 2001 Opt. Express 7 77
[13] Biss D P, Brown T G 2001 Opt. Express 9 490
[14] Olivier H, Demascoth K, Laurence P 2000 Phys. Rev. Lett. 85 5543
[15] Giltner D M, McGowan R W, Lee S A 1995 Phys. Rev. A 52 3966
[16] Oberthler M K, Abfalterner R, Bernet S, Schmiedmayer J 1996 Phys. Rev. Lett. 77 4980
[17] Kunze S, Drr S, Rempe G 1996 Europhys. Lett. 34 343
[18] Kozuma M, Deng L, Hagley E W 1999 Phys. Rev. Lett. 82 871
[19] John L, Mara P 1994 Phys. Rev. Lett. 72 993
[20] Wallis H, 1995 Phys. Rep. 255 203
[21] Adams C S, Riis E 1997 Prog. Quant. Electr. 21 1
[22] Dalibard J, Jannoadji C C 1989 J. Opt. Soc. Am. B 6 2023
[23] Unger P J, Weiss D S, Riis E, Chu S 1989 J. Opt. Soc. Am. B 6 2059
[24] Chu S 1998 Rev. Mod. Phys. 70 685
[25] Yu X C, Mo Y 2004 Acta Phys. Sin. 53 4075 (in Chinese) [余学才, 莫影2004物理学报 53 4075]
[26] Yu X C, Ye Y T, Wu Y F, Xie K, Cheng L 2005 Science in China G 48 521
[27] Ashkin A 1978 Phys. Rev. Lett. 40 729
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[1] Grynberg G, Robilliard C 2001 Phys. Rep. 355 335
[2] Balkin V I 1989 Phys.Today 42 23
[3] Meystre P 2001 Atom Optics(Berlin: Springer Verlag)
[4] Renn M J, Montgomery D, Vdovin O 1995 Phys. Rev. Lett. 75 3253
[5] Cook R J, Hill R K 1982 Opt. Commun. 43 758
[6] Olshanii M A, Ovchinnikov Y B, Letokhov V S 1993 Opt. Commun. 98 77
[7] Marksteiner S, Savage C M, Zoller P 1994 Phys. Rev. A 50 2680
[8] Drewsen M, Spreeuw R J C, Mlynek J 1996 Opt. Commun. 125 77
[9] Lanurence P D, Olivier H, Hong T D 1999 Opt. Commun. 166 199
[10] Helseth L E 2002 Opt. Commun. 212 343
[11] Helseth L E 2001 Opt. Commun. 191 161
[12] Yougworth K S, Brown T G 2001 Opt. Express 7 77
[13] Biss D P, Brown T G 2001 Opt. Express 9 490
[14] Olivier H, Demascoth K, Laurence P 2000 Phys. Rev. Lett. 85 5543
[15] Giltner D M, McGowan R W, Lee S A 1995 Phys. Rev. A 52 3966
[16] Oberthler M K, Abfalterner R, Bernet S, Schmiedmayer J 1996 Phys. Rev. Lett. 77 4980
[17] Kunze S, Drr S, Rempe G 1996 Europhys. Lett. 34 343
[18] Kozuma M, Deng L, Hagley E W 1999 Phys. Rev. Lett. 82 871
[19] John L, Mara P 1994 Phys. Rev. Lett. 72 993
[20] Wallis H, 1995 Phys. Rep. 255 203
[21] Adams C S, Riis E 1997 Prog. Quant. Electr. 21 1
[22] Dalibard J, Jannoadji C C 1989 J. Opt. Soc. Am. B 6 2023
[23] Unger P J, Weiss D S, Riis E, Chu S 1989 J. Opt. Soc. Am. B 6 2059
[24] Chu S 1998 Rev. Mod. Phys. 70 685
[25] Yu X C, Mo Y 2004 Acta Phys. Sin. 53 4075 (in Chinese) [余学才, 莫影2004物理学报 53 4075]
[26] Yu X C, Ye Y T, Wu Y F, Xie K, Cheng L 2005 Science in China G 48 521
[27] Ashkin A 1978 Phys. Rev. Lett. 40 729
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