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What happens to qubits if Swap Test fails?

  1. Aug 14, 2008 #1
  2. jcsd
  3. Aug 15, 2008 #2
    Suppose the target qubits were |A> and |B>, and they are not equal. After the swap test do they both become the mixed state:

    [tex]0.5\left| A\right>\left< A\right| + 0.5\left| B\right>\left< B\right|[/tex]

    ??
     
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