no code implementations • 30 Jun 2023 • Jonathan Schwarz, Jonas Cassel, Bastian Boll, Martin Gärttner, Peter Albers, Christoph Schnörr
This paper introduces assignment flows for density matrices as state spaces for representing and analyzing data associated with vertices of an underlying weighted graph.
1 code implementation • 4 Jun 2022 • Moritz Reh, Martin Gärttner
The accurate numerical solution of partial differential equations is a central task in numerical analysis allowing to model a wide range of natural phenomena by employing specialized solvers depending on the scenario of application.
no code implementations • 30 Sep 2021 • Robert Klassert, Andreas Baumbach, Mihai A. Petrovici, Martin Gärttner
Recent research has demonstrated the usefulness of neural networks as variational ansatz functions for quantum many-body states.
no code implementations • 23 Feb 2021 • Annika Tebben, Clément Hainaut, Andre Salzinger, Sebastian Geier, Titus Franz, Thomas Pohl, Martin Gärttner, Gerhard Zürn, Matthias Weidemüller
We experimentally investigate the nonlinear transmission spectrum of coherent light fields propagating through a Rydberg EIT medium with strong atomic interactions.
Atomic Physics
no code implementations • 3 Aug 2020 • Stefanie Czischek, Andreas Baumbach, Sebastian Billaudelle, Benjamin Cramer, Lukas Kades, Jan M. Pawlowski, Markus K. Oberthaler, Johannes Schemmel, Mihai A. Petrovici, Thomas Gasenzer, Martin Gärttner
The approximation of quantum states with artificial neural networks has gained a lot of attention during the last years.