Quick question about electron quasi particles....

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Discussion Overview

The discussion revolves around the nature of electron quasiparticles in materials, specifically their behavior when an electron is present and what happens when it leaves the material. The scope includes theoretical considerations and conceptual clarifications regarding quasiparticle interactions and existence.

Discussion Character

  • Exploratory, Conceptual clarification, Debate/contested

Main Points Raised

  • Some participants note that when an electron is in a material, it can separate into three different quasiparticles, but this occurs under specific conditions.
  • Others argue that while the quasiparticles must exist within the same material, they do not necessarily need to occupy the same physical location.
  • A participant questions whether all three quasiparticles leave the material together or if they can be separated when the electron exits.
  • Some responses assert that all quasiparticles must leave the material together, suggesting they are bound.
  • Another participant states that quasiparticles do not exist outside the material, implying that they merge back into a single electron upon leaving.
  • There is a challenge regarding the certainty of this merging process, with one participant questioning the confidence of the response given.

Areas of Agreement / Disagreement

Participants express differing views on the nature of quasiparticles and their behavior when the electron exits the material. There is no consensus on whether they can be separated or if they merge into a single particle.

Contextual Notes

The discussion includes assumptions about the conditions under which quasiparticles form and the implications of their existence, which remain unresolved.

joegibs
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joegibs said:
So when the electron is in the material, it separates into 3 different quasiparticles.
It can do that, under very exotic conditions. It does not have to.
joegibs said:
So does that mean the 3 quasiparticles are always bound together?
They have to be in the same material, but not necessarily at the same place (as far as "place" is a meaningful concept).
 
mfb said:
It can do that, under very exotic conditions. It does not have to.They have to be in the same material, but not necessarily at the same place (as far as "place" is a meaningful concept).
what if the electron then leaves the material, do all 3 quasi particles leave the material (they're bounded together) or can they be separated?
 
They all have to leave the material.
 
mfb said:
They all have to leave the material.
So they're bounded together, right
 
Well, the quasiparticles don't exist outside the material. Outside, you just have an electron.
 
Oh, so all three of them just merge into one single particle when the electron leaves the material?
 
mfb said:
Yes.
Are you just saying that because your annoyed or because that's what's really going on?
 
  • #10
I am saying yes because it is right.
 

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