Changing the spin of an electron

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    Electron Spin
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Discussion Overview

The discussion revolves around the possibility of changing the spin of an electron or any particle, focusing on the nature of spin, the effects of energy and angular momentum, and the role of magnetic fields. The scope includes theoretical and conceptual aspects of particle physics.

Discussion Character

  • Exploratory, Conceptual clarification, Debate/contested

Main Points Raised

  • One participant questions whether it is possible to change the spin of an electron by supplying energy.
  • Another participant clarifies that while the total spin value (1/2) cannot be changed, the direction of the spin (up or down) can be altered.
  • A participant specifies that changing spin refers to transitioning from +1/2 to -1/2.
  • Some participants suggest that the direction of spin can be influenced by external factors, such as magnetic fields, which can cause electrons to align their spins with the field.
  • Another participant introduces the idea that flipping a spin may not require energy but rather angular momentum.

Areas of Agreement / Disagreement

Participants express differing views on the nature of changing spin, particularly regarding the distinction between changing the total spin value and changing its direction. The discussion remains unresolved with multiple competing perspectives.

Contextual Notes

There are limitations in the discussion regarding the definitions of spin and the conditions under which it can be changed, as well as the implications of energy and angular momentum in this context.

varadgautam
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Is it possible to change the spin of an electron (or any particle) by supplying some energy to it?
 
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The spin itself as in changing the 1/2 to 2/2? If so, no. It is not possible. However it is possible to change the direction of the spin, as in changing it from an up spin to a down spin.
 
By changing I mean +1/2 to -1/2
 
I believe so, as the + and - simply refer to the direction.
 
Isn't that what a magnetic field does? The initially randomly spinning electrons change their spins to align with the magnetic field.
 
in order to flip a spin you don't necessarily have to supply energy but angular momentum ...
 

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