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Frankfurt 2006 – wissenschaftliches Programm

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Q: Quantenoptik und Photonik

Q 29: Poster Quanteneffekte

Q 29.13: Poster

Dienstag, 14. März 2006, 16:30–18:30, Labsaal

Two dimensional quantum networks — •Bernd Mohring1, Igor Jex2, and Wolfgang P. Schleich11Abteilung Quantenphysik, Universität Ulm, 89069 Ulm, Germany — 2Department of Physics, FJFI ČVUT, 115 19 Praha 1, Czech Republic

Localisation in quantum networks has been investigated in a one dimensional system in [1]. We extend this model to two dimensions by using so-called tritters instead of beam splitters. This can be also seen as a two dimensional quantum walk where the probability distribution after a certain number of steps exhibits interesting features. Additionally, we modify this system by introducing a certain type of phase randomness and compare it with the one dimensional case.

[1] P. Törmä et al., Phys. Rev. A 65, 052110 (2002)

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