This presentation is the property of its rightful owner.
Sponsored Links
1 / 60

第五章 PowerPoint PPT Presentation


  • 151 Views
  • Uploaded on
  • Presentation posted in: General

第五章. 多电子原子:泡利原理. §24 氦的光谱和能级. 有两套结构,两套能级之间没有相互跃迁; 存在几个亚稳态; 氦的基态 与第一激发态 之间能量差别很大; 在三层结构的能级中没有来自 的能级;. 氦原子能级图. 氦能级的标记. 氦的单双电子激发态(不按比例). 基态. §25 两个电子的耦合. 图 25.1 对应于不同 n 和 l 可能的状态. 电子 1. 电子 2. ( 2 ) L – S 和 j – j 耦合. 多电子情况. (3) 两个角动量耦合的一般法则. 角动量耦合. ( 4 )选择规则.

Download Presentation

第五章

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript


5095256


5095256

24


5095256


5095256


5095256


5095256

25


5095256

25.1 nl


2 l s j j

1

2

2L S j j


5095256


5095256

(3)


5095256


5095256

4

L S

j j


5095256


5095256

5


5095256

1psL-S


5095256


5095256


26 pauli exclusion principle

26 Pauli exclusion principle

2

1

The electronic states of an atom can only be

occupied in such a way that no two electrons

have exactly the same set of quantum numbers.


5095256


5095256

3


5095256


5095256


5095256

27

1

  • 114ab


5095256


5095256

Z =21018365486magic number


5095256


5095256

2


5095256


5095256


5095256


5095256

3


5095256


5095256

KI


5095256

4

Z


5095256

(Hund rule)

  • ,S

  • SL


5095256

J = L + S J = | L S |


5095256

5


5095256

  • L S j j


5095256

L S

j j


5095256


  • Login