Mainz 2017 – scientific programme
Parts | Days | Selection | Search | Updates | Downloads | Help
SYLG: Symposium Quantum Simulators of Lattice Gauge Theories
SYLG 1: Symposium Quantum Simulators of Lattice Gauge Theories
SYLG 1.2: Invited Talk
Friday, March 10, 2017, 11:30–12:00, P 1
Quantum Simulations with Cold Trapped Ions — Esteban A. Martinez1, Christine A. Muschik2,3, Philipp Schindler1, Daniel Nigg1, Alexander Erhard1, Markus Heyl2,4, Philipp Hauke2,3, Marcello Dalmonte2,3, Thomas Monz2,3, Peter Zoller1,2, and •Rainer Blatt1,2 — 1Institut für Experimentalphysik, Universität Innsbruck — 2Institut für Quantenoptik und Quanteninformation, Österreichische Akademie der Wissenschaften, Innsbruck — 3Institut für Theoretische Physik, Universität Innsbruck — 4Physik Department, Technische Universität München
The quantum toolbox of the Innsbruck ion-trap quantum computer is applied to simulate the dynamics and to investigate the propagation of entanglement in a quantum many-body system represented by long chains of trapped-ion qubits [1]. Moreover, using the quantum toolbox operations, universal (digital) quantum simulation was realized with a string of trapped ions [2]. Here we report the experimental demonstration of a digital quantum simulation of a lattice gauge theory, by realizing (1 + 1)-dimensional quantum electrodynamics (the Schwinger model) on a few-qubit trapped-ion quantum computer [3]. We map the original problem to a spin model by eliminating the gauge fields in favor of exotic long-range interactions, which can be directly and efficiently implemented on an ion trap architecture.
[1] P. Jurcevic et al., Nature 511, 202 (2014).
[2] B. P. Lanyon et al., Science 334, 57 (2011).
[3] E. A. Martinez et al., Nature 534, 516 (2016).