What is the significance of the Ramsauer-Townsend effect?

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Discussion Overview

The discussion centers on the Ramsauer-Townsend effect, exploring its significance, implications for total transmission of electron waves, and potential experimental observations. Participants seek clarification on the concept and its applications in various contexts, including atomic interactions and wave behavior.

Discussion Character

  • Exploratory, Technical explanation, Conceptual clarification, Debate/contested

Main Points Raised

  • One participant seeks an explanation of the Ramsauer-Townsend effect, noting confusion despite finding multiple sources online.
  • Another participant describes the effect as related to total transmission occurring when the phase shift of the wave is 2 pi, resulting in no reflection.
  • A question is raised regarding the practical significance of total transmission and what experimental observations might be made when passing a current through an atom, such as hydrogen.
  • One participant asserts that total transmission is optimal for transmitting something.
  • There is a suggestion that total transmission implies no dispersion or refraction, leading to the conclusion that the material would be transparent.
  • A later reply compares the effect to coating a lens to eliminate reflection, suggesting a practical application.

Areas of Agreement / Disagreement

Participants express varying degrees of understanding and curiosity about the significance and implications of the Ramsauer-Townsend effect, indicating that multiple views and questions remain unresolved.

Contextual Notes

Some assumptions about the conditions under which total transmission occurs are not fully explored, and the discussion does not resolve the implications of the effect in experimental contexts.

oddiseas
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Can someone explain this concept to me. I have found quite a few explanations on the internet, but i don't understand them.

Basically i understand that it has to do with an electron wave being incident on some object and being able to continue on undisturbed.Ie total transmission, but what is the significance of this? if we have for example a potential well and the energy is greater than V, then we would expect it to get through anyway>

I
 
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In general, there is transmission and reflection. If the phase shift of the wave is 2 pi, there will be no reflection. This is called the R-T effect.
 
What is the significance of this? is there a use for having total transmission? and experimentally what would be observed, say if we have a hydrogen atom or any atom, and pass a current trough it and get the ramsouer townsend effect?
 
If you want to transmit something, total transmission is as good as it gets.
 
Meir Achuz said:
In general, there is transmission and reflection. If the phase shift of the wave is 2 pi, there will be no reflection. This is called the R-T effect.

That implies that there is neither any dispersion or refraction? Physically that would mean that the material would be transparent, wouldn't it?
 
Yes. It is no different than coating a lens to eliminate reflection.
 

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