Berlin 2005 – wissenschaftliches Programm

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TT: Tiefe Temperaturen

TT 13: Transport - Quantum Coherence and Quantum Information Systems

TT 13.4: Vortrag

Samstag, 5. März 2005, 09:30–09:45, TU H3027

Cluster States From Heisenberg Interaction — •Massoud Borhani — Department of Physics - University of Basel - Switzerland

We show that a special type of entangled states, cluster states, can be created with Heisenberg interactions and local rotations in 2d steps where d is the dimension of the lattice. We find that, by tuning the coupling strengths, anisotropic exchange interactions can also be employed to create cluster states. Finally, we propose electron spins in quantum dots as a possible realization of a one-way quantum computer based on cluster states.