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A Urgent problem -- Bell State

  1. Feb 5, 2017 #1
    Hi .. I have this problem needed to solve I hope can find someone help me..

    1- Is the system of three cubic in pure state <ψABC| each pair cubic in bell state |φ+>?
    2- Consider a system of two cubits in state
    Is the measurement without selecting observable upload_2017-2-6_3-50-1.png which upload_2017-2-6_3-51-15.png changes the state of a cubit B?

    and thanks
  2. jcsd
  3. Feb 5, 2017 #2


    Staff: Mentor

    Do you mean "qubit"?

    I don't know what this means.

    Do you have a reference for where you are getting this problem from?
  4. Feb 10, 2017 #3


    User Avatar
    Staff Emeritus
    Science Advisor

    What I'm curious about is what makes it urgent.
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