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Bibliographic Details
Main Authors: Gehrmann, Sascha, Essler, Fabian H. L.
Format: Preprint
Published: 2026
Subjects:
Online Access:https://arxiv.org/abs/2605.03020
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Table of Contents:
  • We construct exact eigenstates of quantum many-body systems with Hamiltonians that are not frustration-free in matrix product form, based on a local error cancellation ansatz motivated by the Derrida-Evans-Hakim-Pasquier method for finding the stationary state of the asymmetric simple exclusion process. We demonstrate the approach with explicit examples in both one and two spatial dimensions.