Regensburg 2016 – wissenschaftliches Programm

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TT: Fachverband Tiefe Temperaturen

TT 58: Transport: Poster Session

TT 58.10: Poster

Mittwoch, 9. März 2016, 15:00–18:30, Poster D

Simulation of Dipolar Quantum Magnetism with Arrays of Superconducting Qubits — •Phani Raja Muppalla — Institute for Quantum Optics and Quantum Information of the Austrian Academy of Sciences & Institute for Experimental Physics, University of Innsbruck, A-6020 Innsbruck, Austria

We propose a novel platform for quantum many body simulations of dipolar XY models using state of the art circuit QED technology. Our basic building blocks are 3D Transmon qubits where we use the naturally occurring dipolar interactions to realize interacting spin systems. In order to understand the interaction of two 3D transmons for this proposal we performed numerical simulations using ANSYS HFSS. This opens the way towards the realization of a broad class of tunable spin models in both two- and one-dimensional geometries. We illustrate the possibilities on a simple XY ladder model and show how Dimer phases occurring in this model are robust against disorder and decoherence, and could be observed within state-of-the-art experiments.
M. Dalmonte, S. Mirzaei, P. R. Muppalla, D. Marcos, P. Zoller,

G. Kirchmair, PRB 92, 174507 (2015)