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RS-APS-Seminar

Mittwoch, 06.02.2019, 14:00 Uhr
Seminarraum HI-Jena, Fröbelstieg 3
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Quantum Walk Driven by Entangled Coins

Shahram Panahiyan

We talk about one-dimensional quantum walk driven by entangled coins. We will demonstrate that the entanglement, introduced by the coins, enables one to steer the walker's state from a classical to standard quantum-walk behavior, and to novel behavior not found for one-dimensional walks otherwise. We also show that states with a symmetric density distribution and a maximum or minimum of the entropy are found only for maximally entangled initial states (Bell states). On the other hand, the type of probability density distribution and its variance are only determined by entangled coins. In addition, we explain how the entanglement of initial state determines the most probable place to find the walker.