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.
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