Author

C. Wille

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Preprint Sep 2026

Many-body topology in parity-preserving tensor networks

Planar parity-preserving tensor networks (ppTNs) admit a fermionic formulation in which the Gaussian, efficiently contractible limit is deformed by local interactions. We investigate how many-body methods can be used to analyze such contractions in a minimal two-parameter ppTN. Its contraction is simultaneously an inte...

Maksimilian Usoltcev, Dung Hanh Nguyen, C. Wille et al. · 0 citations

Preprint Sep 2026

Locally optimized variational evolution for quantum many-body systems

Conventional quantum advantage in many-body dynamics is based on avoiding the simulation cost on a classical computer that arises from the extensive exponential complexity of the global wavefunction. Local observables, however, do not inherit this extensive complexity and may instead be governed by an intrinsic local c...

C. Wille, Max Marvell, Lauren Stewart et al. · 0 citations