Hi,
I'm trying to understand particle polarization. To my understanding if a particle is in a pure quantum state with non-zero spin (i.e. spin up) then it is fully polarized.
If it is in a superposition of different spin states then it is weakly polarized and if its properties are uniform in all directions then it is completely un-polarized.
I feel like I'm missing something here because it seems to me that a particle with spin would be completely un-polarized and then become fully polarized upon measurement. How would you get a value in between?
Sorry if this is a stupid question. Thank you for your time.
I'm trying to understand particle polarization. To my understanding if a particle is in a pure quantum state with non-zero spin (i.e. spin up) then it is fully polarized.
If it is in a superposition of different spin states then it is weakly polarized and if its properties are uniform in all directions then it is completely un-polarized.
I feel like I'm missing something here because it seems to me that a particle with spin would be completely un-polarized and then become fully polarized upon measurement. How would you get a value in between?
Sorry if this is a stupid question. Thank you for your time.
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