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chm_liyx

木虫 (小有名气)

[求助] 我是菜鸟,谁能简单介绍一下跃迁偶极矩是啥东东

各位大神,又能简单介绍一下跃迁偶极矩是啥含义,与吸收强度有啥关系,谢谢了
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virtualzx

木虫 (著名写手)

引用回帖:
7楼: Originally posted by shaojim106 at 2016-09-28 09:31:27
不好意思打扰到您,

晶体材料的跃迁偶极矩transition dipole, 价带导带的跃迁偶极矩transition dipole请问怎么计算?

能否能够使用,第一性原理计算软件,例如castep或者VASP计算晶体材料的跃迁偶极矩tran ...

不好意思,这两个软件不熟

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8楼2016-09-29 13:54:57
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lihb734

铁杆木虫 (职业作家)

站在计算化学入门的门槛上

【答案】应助回帖

感谢参与,应助指数 +1
跃迁偶极矩的大小是影响振子强度的关键因素之一。而振子强度可以通过拟合转换为吸光强度。
前途光明,出路难觅!
2楼2013-10-30 21:59:43
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virtualzx

木虫 (著名写手)

【答案】应助回帖

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感谢参与,应助指数 +1
gmy1990: 金币+3 2013-10-30 22:12:53
chm_liyx: 金币+5, ★★★很有帮助 2013-10-31 07:27:42
从态1到态2的跃迁偶极矩是<态1|偶极算符|态2>
跃迁偶极矩模的平方与从态1到态2的单光子吸收的跃迁几率成正比
3楼2013-10-30 22:08:47
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枪下游魂

木虫 (著名写手)

【答案】应助回帖

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感谢参与,应助指数 +1
gmy1990: 金币+2 2013-11-01 16:12:12
transition dipole moment = <A'|u|A''>
A' is the wave function of the initial state, A'' is the wave function of the final state, u represents the electronic dipole operator.

the oscillator intensity f = E* |transition dipole moment|^2 * 2 / 3
4楼2013-10-31 06:54:37
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