no code implementations • 12 Mar 2021 • Antoine Neven, Jose Carrasco, Vittorio Vitale, Christian Kokail, Andreas Elben, Marcello Dalmonte, Pasquale Calabrese, Peter Zoller, Benoît Vermersch, Richard Kueng, Barbara Kraus
We propose an ordered set of experimentally accessible conditions for detecting entanglement in mixed states.
Quantum Physics Statistical Mechanics
no code implementations • 11 Feb 2021 • Jose Carrasco, Andreas Elben, Christian Kokail, Barbara Kraus, Peter Zoller
In this perspective we discuss verification of quantum devices in the context of specific examples, formulated as proposed experiments.
Quantum Physics Quantum Gases Information Theory Information Theory
no code implementations • 10 Feb 2021 • Raphael Kaubruegger, Denis V. Vasilyev, Marius Schulte, Klemens Hammerer, Peter Zoller
We discuss quantum variational optimization of Ramsey interferometry with ensembles of $N$ entangled atoms, and its application to atomic clocks based on a Bayesian approach to phase estimation.
Quantum Physics Atomic Physics
no code implementations • 3 Sep 2019 • Andreas Elben, Benoît Vermersch, Rick van Bijnen, Christian Kokail, Tiff Brydges, Christine Maier, Manoj Joshi, Rainer Blatt, Christian F. Roos, Peter Zoller
We describe a protocol for cross-platform verification of quantum simulators and quantum computers.
Quantum Physics Disordered Systems and Neural Networks Quantum Gases