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The high resolution spectrum of ultracold Cs2 pure long range 0g- state is experimentally measured using modulated trap loss spectroscopic technology. Based on Double photoassociation spectroscopic technique, precise frequency difference reference signals are constructed to accurately calibrate the resonant frequency intervals of the ro-vibrational levels, thus obtaining the relationship between the frequency interval of rotational level and the rotational quantum number. The experimental data are fitted by the non-rigid rotational model, and the molecular rotational constants corresponding to different vibrational levels in the ultracold Cs2 pure long range 0g- state are acquired. The experimental results demonstrate a linear decrease of the rotational constant with the increase of vibrational quantum number, and the linear decreasing rate is -0.41m MHz0.01 MHz.
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Keywords:
- double photoassociation spectroscopy technology /
- ultracold cesium molcules /
- rotational constants /
- pure long range state
[1] Carr L D, DeMille D, Krems R V, Ye J 2009 New J. Phys. 11 055049
[2] DeMille D 2002 Phys. Rev. Lett. 88 067901
[3] Blume D 2012 Rep. Prog. Phys. 75 046401
[4] Yuan J P, Ji Z H, Yang Y, Zhang H S, Zhao Y T, Ma J, Wang L R, Xiao L T, Jia S T 2012 Acta Phys. Sin. 61 183301 (in Chinese) [元晋鹏, 姬中华, 杨艳, 张洪山, 赵延霆, 马杰, 汪丽蓉, 肖连团, 贾锁堂 2012 61 183301]
[5] 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 56 6373]
[6] Xie T, Wang G R, Zhang W, Huang Y, Cong S L 2012 Phys. Rev. A 86 032713
[7] Zhang W, Huang Y, Xie T, Wang G R, Cong S L 2010 Phys. Rev. A 82 063411
[8] Zhang Y C, Wu J Z, Ma J, Zhao Y T, Wang L R, Xiao L T, Jia S T 2010 Acta Phys. Sin. 59 5418 (in Chinese) [张一驰, 武寄洲, 马杰, 赵延霆, 汪丽蓉, 肖连团, 贾锁堂 2010 59 5418]
[9] Stwalley W C, Uang Y, Pichler G 1978 Phys. Rev. Lett. 41 1164
[10] Ma J, Wang L R, Zhao Y T, Xiao L T, Jia S T 2007 Appl. Phys. Lett. 91 161101
[11] Fioretti A, Comparat D, Drag C, Amiot C, Dulieu O, Masnou-Seeuws F, Pillet P 1999 Eur. Phys. J. D 5 389
[12] Pichler M, Chen H M, Stwalley W C 2004 J. Chem. Phys. 121 6779
[13] Zhang Y C, Ma J, Wu J Z, Wang L R, Xiao L T, Jia S T 2013 Phys. Rev. A 87 030503(R)
[14] Ma J, Wu J Z, Zhao Y T, Xiao L T, Jia S T 2010 Opt. Express 18 17089
[15] Wu J Z, Ma J, Ji Z H, Zhang Y C, Li Y Q, Wang L R, Zhao Y T, Xiao L T, Jia S T 2012 Chin. Phys. B 21 093701
[16] Thorsheim H R, Weiner J, Julienne P S 1987 Phys. Rev. Lett. 58 2420
[17] Wu J Z, Ma J, Zhang Y C, Li Y Q, Wang L R, Zhao Y T, Chen G, Xiao L T, Jia S T 2011 Phys. Chem. Chem. Phys. 13 18921
[18] Zhang Y C, Ma J, Li Y Q, Wu J Z, Zhang L J, Chen G, Wang L R, Zhao Y T, Xiao L T, Jia S T 2012 Appl. Phys. Lett. 101 131114
[19] Bransden B H, Joachain C J 1983 Physics of Atoms and Molecules (Essex: Longman Publishing Group)
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[1] Carr L D, DeMille D, Krems R V, Ye J 2009 New J. Phys. 11 055049
[2] DeMille D 2002 Phys. Rev. Lett. 88 067901
[3] Blume D 2012 Rep. Prog. Phys. 75 046401
[4] Yuan J P, Ji Z H, Yang Y, Zhang H S, Zhao Y T, Ma J, Wang L R, Xiao L T, Jia S T 2012 Acta Phys. Sin. 61 183301 (in Chinese) [元晋鹏, 姬中华, 杨艳, 张洪山, 赵延霆, 马杰, 汪丽蓉, 肖连团, 贾锁堂 2012 61 183301]
[5] 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 56 6373]
[6] Xie T, Wang G R, Zhang W, Huang Y, Cong S L 2012 Phys. Rev. A 86 032713
[7] Zhang W, Huang Y, Xie T, Wang G R, Cong S L 2010 Phys. Rev. A 82 063411
[8] Zhang Y C, Wu J Z, Ma J, Zhao Y T, Wang L R, Xiao L T, Jia S T 2010 Acta Phys. Sin. 59 5418 (in Chinese) [张一驰, 武寄洲, 马杰, 赵延霆, 汪丽蓉, 肖连团, 贾锁堂 2010 59 5418]
[9] Stwalley W C, Uang Y, Pichler G 1978 Phys. Rev. Lett. 41 1164
[10] Ma J, Wang L R, Zhao Y T, Xiao L T, Jia S T 2007 Appl. Phys. Lett. 91 161101
[11] Fioretti A, Comparat D, Drag C, Amiot C, Dulieu O, Masnou-Seeuws F, Pillet P 1999 Eur. Phys. J. D 5 389
[12] Pichler M, Chen H M, Stwalley W C 2004 J. Chem. Phys. 121 6779
[13] Zhang Y C, Ma J, Wu J Z, Wang L R, Xiao L T, Jia S T 2013 Phys. Rev. A 87 030503(R)
[14] Ma J, Wu J Z, Zhao Y T, Xiao L T, Jia S T 2010 Opt. Express 18 17089
[15] Wu J Z, Ma J, Ji Z H, Zhang Y C, Li Y Q, Wang L R, Zhao Y T, Xiao L T, Jia S T 2012 Chin. Phys. B 21 093701
[16] Thorsheim H R, Weiner J, Julienne P S 1987 Phys. Rev. Lett. 58 2420
[17] Wu J Z, Ma J, Zhang Y C, Li Y Q, Wang L R, Zhao Y T, Chen G, Xiao L T, Jia S T 2011 Phys. Chem. Chem. Phys. 13 18921
[18] Zhang Y C, Ma J, Li Y Q, Wu J Z, Zhang L J, Chen G, Wang L R, Zhao Y T, Xiao L T, Jia S T 2012 Appl. Phys. Lett. 101 131114
[19] Bransden B H, Joachain C J 1983 Physics of Atoms and Molecules (Essex: Longman Publishing Group)
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