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Mirror plane and spin direction

  1. Jan 9, 2016 #1
    Consider a system with a mirror axis (bulk projected surface), I want to know the direction of spin polarization on the mirror axis. The result is that the spin is perpendicular to the mirror axis, but I don't understand the reason.
    If someone have related references, please recommend to me. Thanks!
     
  2. jcsd
  3. Jan 14, 2016 #2

    Simon Bridge

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    You'll find it easier to understand if you wrote out a more complete description of the system and where the spin polarization is observed.
     
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