20–24 Jan 2025
University of Bern
Europe/Zurich timezone

Variational Quantum Eigensolver for (2+1)-Dimensional QED at Finite Density

23 Jan 2025, 17:00
45m
Lecture Hall 099 (ExWi Building) (University of Bern)

Lecture Hall 099 (ExWi Building)

University of Bern

University of Bern Exakte Wissenschaften (ExWi) Sidlerstrasse 5 3012 Bern Switzerland

Speaker

Emil Otis Rosanowski

Description

In this talk, we present an implementation of multiple fermion flavors in both the Kogut-Susskind and Wilson formulations for quantum simulations of (2+1)-dimensional Quantum Electrodynamics (QED). Our first results show a particular type of level crossing with one flavor of fermions at zero density, as expected from analytical Chern number calculations. Moving forward, we explore the multi-flavor system at finite density by including a chemical potential. Finally, we present results from inference runs executed on real quantum hardware.

Authors

Emil Otis Rosanowski Mrs Arianna Crippa (DESY Zeuthen) Prof. Karl Jansen (DESY Zeuthen) Lena Funcke (University of Bonn) Mr Paulo Itaborai (Cyprus Institute/DESY Zeuthen) Stefan Kühn (The Cyprus Institute)

Presentation materials