What Makes the Normal and Anormal Zeeman Effects Distinct?

Click For Summary

Discussion Overview

The discussion centers around the distinction between the normal and anomalous Zeeman effects in atomic physics, exploring the historical context and the reasons behind their nomenclature. It touches on concepts related to atomic spectra and angular momentum.

Discussion Character

  • Conceptual clarification, Historical

Main Points Raised

  • One participant notes that the terms "normal" and "anomalous" Zeeman effects are historical artifacts related to early explanations of atomic spectra using orbital angular momentum.
  • Another participant explains that the normal Zeeman effect corresponds to cases where atomic spectra align with predictions made before the discovery of electron spin, while the anomalous Zeeman effect pertains to cases that do not align with those predictions.
  • A later reply humorously suggests that the anomalous Zeeman effect is actually "perfectly normal," indicating a shift in understanding with the discovery of electron spin.
  • Several posts shift focus to requests for textbooks on atomic physics, indicating a need for resources related to the topic.

Areas of Agreement / Disagreement

Participants generally agree on the historical context of the terms but do not reach a consensus on the implications of these distinctions for understanding the effects themselves. The discussion also diverges into unrelated requests for educational resources.

Contextual Notes

The discussion does not resolve the implications of the historical naming conventions on current understanding of the Zeeman effects. There is also a lack of detailed exploration into the mathematical or experimental aspects of the effects.

Who May Find This Useful

Readers interested in atomic physics, particularly those studying atomic spectra, angular momentum, and the historical development of these concepts, may find this discussion relevant.

ASMR
Messages
2
Reaction score
0
There are two types of zeeman effect, one normal and the other one anormal, but why are they called so?
I mean what is so normal about the normal zeeman effect and what is so anormal about the anormal zeeman effect??
 
Physics news on Phys.org
The terms "normal" and "anomalous" Zeeman effects are historical artifacts.

The Zeeman effect was originally predicted or explained by using only orbital angular momentum, before electron spin was discovered. Some atoms' spectra actually do agree with these predictions, and they were called the "normal Zeeman effect." Others (actually the majority, I think) do not agree, and they were called the "anomalous Zeeman effect."

Then electron spin was discovered. It allowed for explaining both forms of the Zeeman effect in a natural way.

So the "anomalous" Zeeman effect is actually perfectly normal, and the "normal" Zeeman effect is actually somewhat anomalous! :smile:
 
Plz tell me good books on atomic physics. My syllabus is atomic spectrum, vector atom model, many electron model, molecular spectroscopy, laser physics. Plz reply quick. It's very urgent.
 
eisberg & resnick may help you
 
Thank you. I will surely try for it.
 
Does this book contains laser physics?
 

Similar threads

Undergrad Why normal Zeeman effect contains three components?
  • · Replies 7 ·
Replies
7
Views
4K
Undergrad What is an optically active electron?
  • · Replies 1 ·
Replies
1
Views
5K
Graduate Zeeman energy with an effective mass
  • · Replies 1 ·
Replies
1
Views
2K
Do All Images with Applied Current Show the Normal Zeeman Effect?
  • · Replies 2 ·
Replies
2
Views
1K
Graduate Why does the anomalous Zeeman effect not show up on some atoms?
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Magnetocaloric effect and electron energy levels
  • · Replies 10 ·
Replies
10
Views
2K
Undergrad Derivation of normal Zeeman-Effect
  • · Replies 5 ·
Replies
5
Views
2K
Oxygen dip in ionization energy trend
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Questions on the classical interpretation of (normal) Zeeman effect
  • · Replies 10 ·
Replies
10
Views
2K
Graduate How can a 'Principle' produce a 'Force'?
  • · Replies 12 ·
Replies
12
Views
2K