Jäger, Jonas https://orcid.org/0000-0001-7631-8689
Kaldenbach, Thierry N. https://orcid.org/0009-0008-5607-4427
Haas, Max https://orcid.org/0009-0004-9414-5442
Schultheis, Erik https://orcid.org/0009-0007-4728-7124
Funding for this research was provided by:
Deutsches Zentrum für Luft- und Raumfahrt
Bundesministerium für Wirtschaft und Energie
Canadian Network for Research and Innovation in Machining Technology, Natural Sciences and Engineering Research Council of Canada (543245)
Article History
Received: 25 April 2025
Accepted: 14 October 2025
First Online: 30 October 2025
Competing interests
: A patent application filed by the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt e.V., DLR), currently pending with the German Patent and Trade Mark Office (Deutsches Patent- und Markenamt, DPMA), covers aspects of this work. It specifically includes, but is not limited to, the ExcitationSolve method for fermionic excitations and fixed ansätze. The listed inventors are identical to the authors of this work. The application number is DE 10 2024 115 387.3, with the German title “Verfahren zur Bestimmung von Energien und Energiezuständen". The authors declare no other financial or non-financial competing interests.