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Authors
Kaldenbach, Thierry N.
Schultheis, Erik
Stewen, Niklas
Breuil, Gabriel
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Funding
Funding for this research was provided by:
DLR Quantum Computing Initiative
Bundesministerium fur Wirtschaft und Klimaschutz
No funding was received for this research
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Article History
Received: 14 April 2025
Accepted: 12 March 2026
First Online: 27 March 2026
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 the presented quantum circuits for symmetrized and antisymmetrized single-, controlled single-, and double-excitation operators and their applicability to UCCSD calculations and Hamiltonian simulation. The listed inventors are Thierry N. Kaldenbach, Gabriel Breuil, and Eric Breitbarth. The application number is DE 10 2025 133 101.4, with the German title “Quantenschaltkreis". The authors declare no other financial or non-financial competing interests.
