Positive Wigner Function Transformation by Quantum Operations

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This Demonstration shows the transformation of the Wigner function as two individual coherent modes are mixed by changing their local interaction parameters. The result can be interpreted as a non-trivial violation of Bell's inequality. The figure is drawn for , a measure of Alice's and Bob's hidden variables.

Contributed by: Wonmin Son (March 2011)
Open content licensed under CC BY-NC-SA



Please refer to "Positive Phase Space Transformation Incompatible with Classical Physics" at arXiv:0810.1457 for details.

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