Regensburg 2016 – scientific programme

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MA: Fachverband Magnetismus

MA 21: Transport: Quantum Coherence and Quantum Information Systems - Theory 2
(Joint session of HL, MA and TT organized by TT)

MA 21.3: Talk

Tuesday, March 8, 2016, 14:30–14:45, H22

Scattering of photons on Bose-Hubbard lattices — •Kim Georg Lind Pedersen and Mikhail Pletyukhov — Institute for Theory of Statistical Physics, RWTH Aachen, 52056 Aachen

We study the photonic transport of weakly coherent light in various Bose-Hubbard lattice geometries implemented as QED cavity arrays. We use a diagrammatic scattering approach to study the relation between lattice geometry and the second order intensity correlation of the transmitted light. The motivation is twofold: First, a large induced correlation can be used to design circuit elements useful for "photonics applications". Second, the scattering of photons on complex lattices offers a promising way to characterize quantum correlation in a range of different, exotic states of matter theorized to be present in higher-dimensional cavity arrays.