Quantum State Tomography and Quantum Games

Details Quantum State Tomography and Quantum Games Quantum State Tomography and Quantum Games

2009-11-03

arxiv.org/abs/0911.0632v4

Physics

Quantum Physics

9 pages, 3 figures

Scientific paper

We develop a technique for single qubit quantum state tomography using the mathematical setup of generalized quantization scheme for games. In our technique Alice sends an unknown pure quantum state to Bob who appends it with |0><0| and then applies the unitary operators on the appended quantum state and finds the payoffs for Alice and himself. It is shown that for a particular set of unitary operators these elements become equal to Stokes parameters for an unknown quantum state. In this way an unknown quantum state can be measured and reconstructed. Strictly speaking this technique is not a game as no strategic competitions are involved.

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