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PGI Kolloquium: Prof. Dr. Peter Zoller, University of Innsbruck & Institute for Quantum Optics and Quantum Information, Innsbruck, Austria


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18.12.2020 11:00 Uhr

Programmable Quantum Simulators with Atoms and Ions

BildCopyright: Prof. Dr. Zoller

Abstract:

Quantum optical systems with cold atoms an ions provides one of the best ways to build controllable quantum many-body systems as quantum computers and quantum simulators. Here we report on recent developments in building, and in particular programming quantum simulators based on trapped ions as intermediate scale quantum devices.

We address, and illustrate this for a range of applications from solving the quantum many-body problem, to developing and implementing novel measurement protocols for many-body observables. Examples highlighting these developments include the implementation of self-verifying variational quantum simulations, illustrated here by computing the ground state and quantum phase transition of a Schwinger Model.

In addition, we discuss the development and demonstration of a "randomized measurement toolbox", allowing to access in experiments quantities like Renyi entanglement entropies and the entanglement spectrum.

Kontakt

Dr. Matteo Rizzi
Telefon: +49 2461 61-85456
Fax: +49 2461 61-6399
E-Mail: m.rizzi@fz-juelich.de