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Q: Fachverband Quantenoptik und Photonik
Q 13: Posters: Quantum Optics and Photonics I
Q 13.64: Poster
Montag, 9. März 2020, 16:30–18:30, Empore Lichthof
Towards Cluster State Simulation of the (1+1)-dimensional Lattice Schwinger Model — •Stephan Schuster1, Marc-Oliver Pleinert1,2, and Joachim von Zanthier1,2 — 1Institut für Optik, Information und Photonik, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 91058 Erlangen, Germany — 2Erlangen Graduate School in Advanced Optical Technologies (SAOT), Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 91052 Erlangen, Germany
In recent years, several quantum simulations of complex physical systems have been performed [1,2].
In these simulations, the well-known quantum circuit model was implemented. This model of quantum computation is based on unitary operations applied onto qubits in a time-ordered sequence.
The cluster state model - proposed by Raussendorf and Briegel - on the other hand, is an alternative, but equivalent model for quantum computation [3].
It avoids the complex gate realisations of the circuit model by performing the quantum computation through, potentially adaptive, projective measurements on a group of highly entangled multi-qubit states - the cluster states.
Here, we investigate the possibility of the quantum simulation of the (1+1)-dimensional lattice Schwinger model with such cluster states.
Besides avoiding complex gate realisations, this might also offer a more efficient way for the simulation, since non-adaptive measurements on the different qubits commute and thus offer new perspectives on the parallelisability.
[1] Martinez et al.; Nature 534, 516 (2016). [2] Kokail et al.; Nature 569, 355 (2019). [3] Raussendorf et al.; PRL 86, 5188 (2001).