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Ultracold polar RbCs molecules are produced via photoassociation in a dual dark-SPOT magneto-optical trap, in which ultracold rubidium and cesium atoms with high densities are formed by laser cooling and trapping. The a3∑+ triplet metastable state ultracold RbCs molecules with 104/s production rate are detected using resonance-enhanced two-photon ionization. The ultra-high resolution rovibrational spectra of (2)0+, (3)0- and (2)0- rovibrational states are observed by scanning the photoassociation laser frequency. The rotational constants of (2)0+, (3)0- and (2)0- vibrational states are 0.00349 cm-1, 0.00649 cm-1 and 0.00372 cm-1 by fitting respectively.
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Keywords:
- photoassociation /
- ultracold RbCs molecules /
- rovibrational spectrum
[1] Wang L R, Ma J, Zhang L J, Xiao L T, Jia S T 2007 Acta Phys. Sin. 56 6373 (in Chinese) [汪丽蓉, 马杰, 张临杰, 肖连团, 贾锁堂 2007 物理学报 56 6373]
[2] Wang Y, Dong D Z, Li W Y, Feng E Y, Cui Z F 2009 Acta Phys. Sin. 58 6913 (in Chinese) [王悦, 董德智, 李伟艳, 凤尔银, 崔执凤 2009 物理学报 58 6913]
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[4] Elena K, Bragdon T, Robin C, Yelin S F 2012 Phys. Rev. A 85 012328
[5] Dima E, Thierry L, Wieland S, Bretislav F, John M D 2002 Phys. Rev. A 66 043401
[6] Joop J G, Jochen K, Steven H, Nicolas V 2006 Phys. Rev. A 73 063410
[7] Papp S B, Wieman C E 2006 Phys. Rev. Lett. 97 180404
[8] Jones K M, Eite T, Paul D L, Paul S J 2006 Rev. Mod. Phys. 78 483
[9] Thorsheim H R, Weiner J, Julienne P S 1987 Phys. Rev. Lett. 58 2420
[10] Lett P D, Helmerson K, Philips W D, Ratliff L P, Rolston S L, Wagshul M E 1993 Phys. Rev. Lett. 71 2200
[11] Miller J D, Cline R A, Heinzen D J 1993 Phys. Rev. Lett. 71 2204
[12] Nikolov A N, Eyler E E, Wang X T, Li J, Wang H, Stwalley W C, Gould P L 1999 Phys. Rev. Lett. 82 703
[13] Wang L R, Ma J, Li C Y, Zhao J M, Xiao L T, Jia S T 2007 Appl. Phys. B 98 53
[14] Deiglmayr J, Grochola A, Repp M, Mörtlbauer K, Glück C, Lange J, Dulieu O, Wester R, Weidemüller M 2008 Phys. Rev. Lett. 101 133004
[15] Haimberger C, Kleinert J, Bhattacharya M, Bigelow N P 2004 Phys. Rev. A 70 021402
[16] Wang D, Qi J, Stone M F, Nikolayeva O, Wang H, Hattaway B, Gensemer S D, Gould P L, Eyler E E, Stwalley W C 2004 Phys. Rev. Lett. 93 243005
[17] Ridinger A, Chaudhuri S, Salez T, Fernandes D R, Bouloufa N, Dulieu O, Salomon C, Chevy F 2011 Eur. Phys. Lett. 96 33001
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[19] Shi Z Y, Qi R, Zhai H 2012 Phys. Rev. A 85 020702
[20] Ji Z H, Zhang H S, Wu J Z, Yuan J P, Zhao Y T, Ma J, Wang L R, Xiao L T, Jia S T 2011 Chin. Phys. Lett. 28 083701
[21] Allouche A R, Korek M, Fakherddin K, Chaalan A, Dagher M, Taher F, Aubert-Frécon M 2000 J. Phys. B 33 2307
[22] Fahs H, Allouche A R, Korek M, Aubert-Frécon M 2002 J. Phys. B 35 1501
[23] Wang C C, Killinger D K 1979 Phys. Rev. A 20 1495
[24] Townsend C G, Edwards N H, Zetie K P, Cooper C J, Rink J, Foot C J 1996 Phys. Rev. A 53 1702
[25] Yoon Y, Lee Y, Kim T, Ahn J S, Jung Y, Kim B, Lee S 2001 J. Chem. Phys. 114 8926
[26] Kerman A J, Sage J M, Sainis S, Bergeman T, DeMille D 2004 Phys. Rev. Lett. 92 033004
[27] Zhang H S, Ji Z H, Yuan J P, Zhao Y T, Ma J, Wang L R, Xiao L T, Jia S T 2011 Chin. Phys. B 20 123702
[28] Lysebo M, Veseth L 2008 Phys. Rev. A 77 032721
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[1] Wang L R, Ma J, Zhang L J, Xiao L T, Jia S T 2007 Acta Phys. Sin. 56 6373 (in Chinese) [汪丽蓉, 马杰, 张临杰, 肖连团, 贾锁堂 2007 物理学报 56 6373]
[2] Wang Y, Dong D Z, Li W Y, Feng E Y, Cui Z F 2009 Acta Phys. Sin. 58 6913 (in Chinese) [王悦, 董德智, 李伟艳, 凤尔银, 崔执凤 2009 物理学报 58 6913]
[3] Rieger T, Junglen T, Rangwala S A, Pinkse P W H, Rempe G 2005 Phys. Rev. Lett. 95 173002
[4] Elena K, Bragdon T, Robin C, Yelin S F 2012 Phys. Rev. A 85 012328
[5] Dima E, Thierry L, Wieland S, Bretislav F, John M D 2002 Phys. Rev. A 66 043401
[6] Joop J G, Jochen K, Steven H, Nicolas V 2006 Phys. Rev. A 73 063410
[7] Papp S B, Wieman C E 2006 Phys. Rev. Lett. 97 180404
[8] Jones K M, Eite T, Paul D L, Paul S J 2006 Rev. Mod. Phys. 78 483
[9] Thorsheim H R, Weiner J, Julienne P S 1987 Phys. Rev. Lett. 58 2420
[10] Lett P D, Helmerson K, Philips W D, Ratliff L P, Rolston S L, Wagshul M E 1993 Phys. Rev. Lett. 71 2200
[11] Miller J D, Cline R A, Heinzen D J 1993 Phys. Rev. Lett. 71 2204
[12] Nikolov A N, Eyler E E, Wang X T, Li J, Wang H, Stwalley W C, Gould P L 1999 Phys. Rev. Lett. 82 703
[13] Wang L R, Ma J, Li C Y, Zhao J M, Xiao L T, Jia S T 2007 Appl. Phys. B 98 53
[14] Deiglmayr J, Grochola A, Repp M, Mörtlbauer K, Glück C, Lange J, Dulieu O, Wester R, Weidemüller M 2008 Phys. Rev. Lett. 101 133004
[15] Haimberger C, Kleinert J, Bhattacharya M, Bigelow N P 2004 Phys. Rev. A 70 021402
[16] Wang D, Qi J, Stone M F, Nikolayeva O, Wang H, Hattaway B, Gensemer S D, Gould P L, Eyler E E, Stwalley W C 2004 Phys. Rev. Lett. 93 243005
[17] Ridinger A, Chaudhuri S, Salez T, Fernandes D R, Bouloufa N, Dulieu O, Salomon C, Chevy F 2011 Eur. Phys. Lett. 96 33001
[18] Ji Z H, Zhang H S, Wu J Z, Yuan J P, Yang Y G, Zhao Y T, Ma J, Wang L R, Xiao L T, Jia S T 2012 Phys. Rev. A 85 013401
[19] Shi Z Y, Qi R, Zhai H 2012 Phys. Rev. A 85 020702
[20] Ji Z H, Zhang H S, Wu J Z, Yuan J P, Zhao Y T, Ma J, Wang L R, Xiao L T, Jia S T 2011 Chin. Phys. Lett. 28 083701
[21] Allouche A R, Korek M, Fakherddin K, Chaalan A, Dagher M, Taher F, Aubert-Frécon M 2000 J. Phys. B 33 2307
[22] Fahs H, Allouche A R, Korek M, Aubert-Frécon M 2002 J. Phys. B 35 1501
[23] Wang C C, Killinger D K 1979 Phys. Rev. A 20 1495
[24] Townsend C G, Edwards N H, Zetie K P, Cooper C J, Rink J, Foot C J 1996 Phys. Rev. A 53 1702
[25] Yoon Y, Lee Y, Kim T, Ahn J S, Jung Y, Kim B, Lee S 2001 J. Chem. Phys. 114 8926
[26] Kerman A J, Sage J M, Sainis S, Bergeman T, DeMille D 2004 Phys. Rev. Lett. 92 033004
[27] Zhang H S, Ji Z H, Yuan J P, Zhao Y T, Ma J, Wang L R, Xiao L T, Jia S T 2011 Chin. Phys. B 20 123702
[28] Lysebo M, Veseth L 2008 Phys. Rev. A 77 032721
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