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Theory of Computation Theoretical Computer Science - Automata Theory, Computability Theory, and Computational Complexity Theory

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February 7th, 2011, 01:00 PM   #1
Joined: Feb 2011
Posts: 2
quantum disentanglement

I have a question with regard to the outcome of approximate quantum cloning:

For a general state it will always be entangled, right?
Let s = a|0> + b|1>

Then using a Wootters-Zurek copying machine, we have:
|s>|Q> -> a|0>|0>|Q_0> + b|1>|1>|Q_1>

I need to perform some operations and measurements on the clones, but I need the states to be disentangled.
Any advice on how this should be done?

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