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רҵµ¥´Ê£ºi £¨the damping factor£©
µç×ÓÀëÓò£¨electron delocalization£©
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ouyangshunli(½ð±Ò+10,VIP+0):ллÄãµÄ°ïÖú 2-16 08:43
As shown in Fig4,following the decrease of ¦Â-carotene concentration in CS2 ,the electron delocalization  will make the more narrow Electronic transition bandwidth. From the equation (4),it is inversely proportional relationship between the the damping factor i and the Raman polarizability tensor.The smaller i ,the larger the Raman polarizability tensor,and  corresponding Raman intensity of molecules increases,which lead greatly high Raman cross section.
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