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Frankfurt 2006 – scientific programme

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SYQT: Quantum Computing with Trapped Electrons

SYQT 1: Quantum Computing with Trapped Electrons

SYQT 1.5: Invited Talk

Monday, March 13, 2006, 12:20–12:40, HV

One and two photon effects in Ising type networks — •Igor Jex, J. Novotny, T. Kiss, and B. Mohring — Czech Technical University in Prague, Zikova 4, Praha 6, Czech Republic

We analyze the dynamics of single and two particle states in Ising-type networks. The mutual entanglement is quantified using the concept of concurrence. We derive explicit expressions for the concurrence for single and two particle initial states in arbitrary passive networks and specify the result for Ising-type networks. We show how to design a network to prepare a prescribed pattern of entanglement for one excitation and study the maximum attainable entanglement for passive optical networks in general. The effect of network randomization on average entanglement is also studied. Effects of localization can be found for certain types of randomization in phase as well as conenctivity of the networks.

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