An error-cancellation matrix-product ansatz constructs exact zero-energy many-body scar eigenstates in non-frustration-free 1D and 2D spin Hamiltonians.
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Granovskii-Zhedanov scar states in XYZ models are described via spectrum-generating algebra with perturbative and optimized constructions, and lattice-independent versions exist only on specific uniform and non-uniform higher-dimensional lattices.
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Exact Quantum Many-Body Scars by a generalized Matrix-Product Ansatz
An error-cancellation matrix-product ansatz constructs exact zero-energy many-body scar eigenstates in non-frustration-free 1D and 2D spin Hamiltonians.
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Granovskii-Zhedanov Scars of XYZ Models: Modern Algebraic Perspectives and Realization in Higher Dimensional Lattices
Granovskii-Zhedanov scar states in XYZ models are described via spectrum-generating algebra with perturbative and optimized constructions, and lattice-independent versions exist only on specific uniform and non-uniform higher-dimensional lattices.