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We investigate the orientation of the CO (X1∑+) molecules in the combined electrostatic and laser fields. We analyze the adiabatic and nonadiabatic interactions of the molecules with the applied laser field. It shows that the pendular energy levels induced by the laser field form the tunneling doublets which can be coupled by the applied electrostatic field. The CO molecules in the X1∑+ state with small permanent dipoles can be greatly orientated due to the coupling interaction. If the laser field is added adiabatically, the excellent orientation is achieved even at a weak electrostatic field. While in a nonadiabatic case, the molecular orientation reoccurs periodically when the laser field is turned off. Additionally, we study the dependence of the degree of the molecular orientation on the applied laser and electrostatic intensities and the molecular temperature.
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Keywords:
- orientation /
- CO (X1∑+) molecules /
- combined field
[1] Loesch H J, Remscheid A 1990 J. Chem. Phys. 93 4779
[2] Slenczka A, Friedrich B, Herschbach D 1994 Phys. Rev. Lett. 72 1806
[3] Stapelfeldt H, Seideman T 2003 Rev. Mod. Phys. 75 543
[4] Franks K J, Li H Z, Kong W 1999 J. Chem. Phys. 110 11779
[5] Tong A H, Liao Q, Zhou Y M, Lu P X 2011 Acta Phys. Sin. 60 043301 (in Chinese) [童爱红, 廖青, 周月明, 陆培祥 2011 物理学报 60 043301]
[6] Lan P F, Lu P X, Cao W, Wang X L, Hong W Y 2007 Opt. Lett. 32 1186
[7] Pullman D P, Friedrich B, Herschbach D R 1990 J. Chem. Phys. 93 3224
[8] Lan P F, Lu P X, Cao W, Li Y H, Wang X L 2007 Phys. Rev. A 76 021801(R)
[9] Parker D H, Bernstein R B 1989 Annu. Rev. Phys. Chem. 40 561
[10] Ortigoso J, Rodriguez M, Gupta M, Friedrich B 1999 J. Chem. Phys. 110 3870
[11] Bulthuis J, Möller J, Loesch H J 1997 J. Phys. Chem. A 101 7684
[12] Friedrich B, Herschbach D 1999 J. Phys. Chem. A 103 10280
[13] Seideman T 1999 Phys. Rev. Lett. 83 4971
[14] Zhang S A, Lu C H, Jia T Q, Wang Z G, Sun Z R 2011 J. Chem. Phys. 135 034301
[15] Muramatsu M, Hita M, Minemoto S, Sakai H 2009 Phys. Rev. A 79 011403(R)
[16] Blokland J H, Riedel J, Putzke S 2011 J. Chem. Phys. 135 114201
[17] Henriksen N E 1999 Chem. Phys. Lett. 312 196
[18] Friederich B, Nahler N H, Buck U 2003 J. Mod. Opt. 50 2677
[19] Cai L, Marango J, Friedrich B 2001 Phys. Rev. Lett. 86 775
[20] Zhang S A, Lu C H, Shi J H, Jia T Q, Wang Z G, Sun Z R 2011 Phys. Rev. A 84 013408
[21] Härtelt M, Friedrich B 2008 J. Chem. Phys. 128 224313
[22] Bethlem H L, Berden G, Meijer G 1999 Phys. Rev. Lett. 83 1558
[23] Seideman T 2001 J. Chem. Phys. 115 5965
[24] Jiang H Y, Wu C Y, Zhang H, Jiang H B, Yang H, Gong Q H 2010 Opt. Express 18 8990
[25] Friedrich B, Pullman D P, Herschbach D R 1991 J. Phys. Chem. 95 8118
[26] Kjeldsen T K, Bisgaard C Z, Madsen L B 2003 Phys. Rev. A 68 063407
[27] Osterwalder A, Meek S A, Hammer G, Haak H, Meijer G 2010 Phys. Rev. A 81 051401(R)
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[1] Loesch H J, Remscheid A 1990 J. Chem. Phys. 93 4779
[2] Slenczka A, Friedrich B, Herschbach D 1994 Phys. Rev. Lett. 72 1806
[3] Stapelfeldt H, Seideman T 2003 Rev. Mod. Phys. 75 543
[4] Franks K J, Li H Z, Kong W 1999 J. Chem. Phys. 110 11779
[5] Tong A H, Liao Q, Zhou Y M, Lu P X 2011 Acta Phys. Sin. 60 043301 (in Chinese) [童爱红, 廖青, 周月明, 陆培祥 2011 物理学报 60 043301]
[6] Lan P F, Lu P X, Cao W, Wang X L, Hong W Y 2007 Opt. Lett. 32 1186
[7] Pullman D P, Friedrich B, Herschbach D R 1990 J. Chem. Phys. 93 3224
[8] Lan P F, Lu P X, Cao W, Li Y H, Wang X L 2007 Phys. Rev. A 76 021801(R)
[9] Parker D H, Bernstein R B 1989 Annu. Rev. Phys. Chem. 40 561
[10] Ortigoso J, Rodriguez M, Gupta M, Friedrich B 1999 J. Chem. Phys. 110 3870
[11] Bulthuis J, Möller J, Loesch H J 1997 J. Phys. Chem. A 101 7684
[12] Friedrich B, Herschbach D 1999 J. Phys. Chem. A 103 10280
[13] Seideman T 1999 Phys. Rev. Lett. 83 4971
[14] Zhang S A, Lu C H, Jia T Q, Wang Z G, Sun Z R 2011 J. Chem. Phys. 135 034301
[15] Muramatsu M, Hita M, Minemoto S, Sakai H 2009 Phys. Rev. A 79 011403(R)
[16] Blokland J H, Riedel J, Putzke S 2011 J. Chem. Phys. 135 114201
[17] Henriksen N E 1999 Chem. Phys. Lett. 312 196
[18] Friederich B, Nahler N H, Buck U 2003 J. Mod. Opt. 50 2677
[19] Cai L, Marango J, Friedrich B 2001 Phys. Rev. Lett. 86 775
[20] Zhang S A, Lu C H, Shi J H, Jia T Q, Wang Z G, Sun Z R 2011 Phys. Rev. A 84 013408
[21] Härtelt M, Friedrich B 2008 J. Chem. Phys. 128 224313
[22] Bethlem H L, Berden G, Meijer G 1999 Phys. Rev. Lett. 83 1558
[23] Seideman T 2001 J. Chem. Phys. 115 5965
[24] Jiang H Y, Wu C Y, Zhang H, Jiang H B, Yang H, Gong Q H 2010 Opt. Express 18 8990
[25] Friedrich B, Pullman D P, Herschbach D R 1991 J. Phys. Chem. 95 8118
[26] Kjeldsen T K, Bisgaard C Z, Madsen L B 2003 Phys. Rev. A 68 063407
[27] Osterwalder A, Meek S A, Hammer G, Haak H, Meijer G 2010 Phys. Rev. A 81 051401(R)
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