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With the weak-coupling approach in molecular vibrational normal coordinate, the charge transmission under external optical field through molecular nano-junction is studied. From the charging energy point of view, the sequential charge transmission is analyzed and the current-voltage characteristics under external optical field are studied. It is found that the vibrational effect of molecule is the key factor of the removal of Franck-Condon blockage under external optical field. Furthermore, the effects of charging energy and intra-molecular vibrational energy redistribution (IVR) in charge transmission under external optical field are studied in detail.
[1] Stipe B C, Rezaei M A, Ho W 1999 Rev. Sci. Instrum. 70 137
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[22] An Y P, Yang C L, Wang M S, Ma X G, Wang D H 2010 Acta Phys. Sin. 59 2010(in Chinese) [安义鹏、杨传路、王美山、马 晓光、王德华 2010 物理学报 59 2010]
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[1] Stipe B C, Rezaei M A, Ho W 1999 Rev. Sci. Instrum. 70 137
[2] [3] Qiu X H, Nazin G V, Ho W 2004 Phys. Rev. Lett. 92 206102
[4] [5] May V, Khn O 2006 Chem. Rev. Lett. 420 192
[6] May V, Khn O 2008 Phys. Rev. B 77 115440
[7] [8] [9] Ng M K, Lee D C, Yu L 2002 J. Am. Chem. Soc. 124 11862
[10] Geng H, Hu Y, Shuai Z, Xia K, Gao H, Chen K 2007 J. Phys. Chem. C 111 19098
[11] [12] Gaudioso J, Laudon J L, Ho W 2000 Phys. Rev. Lett. 85 1918
[13] [14] [15] Park H, Park J, Lim A K L, Anderson E H, Alivisators A P, McEuen P L 2000 Nature (London) 407 57
[16] Joachim C, Ratne M A 2005 Proc. Natl. Acad. Sci. U.S.A. 102 8800
[17] [18] [19] Song H, Kim Y, Jang Y H, Jeong H, Reed M A, Lee T 2009 Nature 462 1039
[20] [21] Huo X X, Wang C, Zhang X M, Wang L G 2010 Acta Phys. Sin. 59 4955 (in Chinese) [霍新霞、张秀梅、王利光 2010 物理学报 59 4955]
[22] An Y P, Yang C L, Wang M S, Ma X G, Wang D H 2010 Acta Phys. Sin. 59 2010(in Chinese) [安义鹏、杨传路、王美山、马 晓光、王德华 2010 物理学报 59 2010]
[23] [24] Galperin M, Ratner M A, Nitzan A 2005 J. Chem. Phys. 121 11965
[25] [26] [27] Li Z L, Wang C K, Luo Y, Xue Q K 2004 Acta Phys. Sin. 53 1490 (in Chinese) [李宗良、王传奎、罗 毅、薛其坤 2004 物理学报 53 1490]
[28] Chen L, Hu Z, Zhao A, Wang B, Luo Y, Yang J, Hou J G 2007 Phys. Rev. Lett. 99 146803
[29] [30] [31] Welack S, Madddox J B, Esposito M, Harbola U, Mukamel S 2008 Nano Lett. 8 1137
[32] [33] Li G, Schreiber M, Kleinekathofer U 2007 Euro. Phys. Lett. 79 27006
[34] [35] Li G, Welack S, Schreiber M, Kleinekathofer U 2008 Phys. Rev. B 77 075321
[36] [37] May V, Khn O 2008 Phys. Rev. B 77 115439
[38] [39] Zhang Y, Wang L X 2010 Acta Phys. Sin. 59 5412 (in Chinese) [张 元、王鹿霞 2010 物理学报 59 5412]
[40] [41] Wang L, May V 2010 J. Phys. Chem. C 114 4179
[42] [43] Wang L, May V 2010 Chem. Phys. 375 252
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