Spectrum Transitions: Spikes or Lines?

In summary, spectrum transitions are changes in the electromagnetic spectrum caused by factors such as temperature, pressure, or magnetic fields. "Spikes" and "lines" refer to specific patterns or shapes that appear during these transitions. They occur when electrons or atoms absorb or emit energy through various processes. Spectrum transitions can be observed in everyday life and have numerous applications in science and technology, including in fields such as astronomy, chemistry, and medicine, as well as in technologies like lasers, MRI machines, and communication devices.
  • #1
photon79
60
0
If we look at any spectrum the lines are due to the corresponding transitions in sample. And the line widths are due to the uncertainity principle and doppler effect etc, if these effects are absent should these lines be just spikes?
 
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  • #2
Yes, in ideal cases the lines would be delta spikes.
 
  • #3
If you see a spectral line that means the level decays. Then, due to the properties of a Fourier transform, there must be a line width of at least
\gamma=2\pi/\tau.
 

Related to Spectrum Transitions: Spikes or Lines?

1. What are spectrum transitions?

Spectrum transitions refer to changes in the electromagnetic spectrum, which is a range of all possible frequencies of electromagnetic radiation. These transitions can occur due to various factors such as changes in temperature, pressure, or the presence of a magnetic field.

2. What do you mean by "spikes" or "lines" in spectrum transitions?

"Spikes" and "lines" refer to specific patterns or shapes that appear in the spectrum during a transition. "Spikes" typically refer to sharp, narrow peaks while "lines" refer to broader, more diffuse features.

3. How do spectrum transitions occur?

Spectrum transitions occur when an electron or atom absorbs or emits energy in the form of electromagnetic radiation. This can happen through various processes such as electron transitions, molecular vibrations, or nuclear spins.

4. Can spectrum transitions be observed in everyday life?

Yes, spectrum transitions can be observed in everyday life. For example, when you turn on a light bulb, you are witnessing spectrum transitions as the electrons in the filament emit energy in the form of visible light. Additionally, phenomena such as rainbows and auroras are also caused by spectrum transitions.

5. How are spectrum transitions relevant to science and technology?

Spectrum transitions have numerous applications in science and technology. They are used in various fields such as astronomy, chemistry, and medicine to analyze and identify different substances. Spectrum transitions are also utilized in technologies such as lasers, MRI machines, and communication devices.

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