The spin-zero manifold of exchange-coupled spins offers Catalan-number dimension near 2^N and can be benchmarked with adapted XEB, mirror RB, and OTOCs under coarse PSB readout.
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3 Pith papers cite this work. Polarity classification is still indexing.
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Ground-state phase reconstruction for Heisenberg antiferromagnets with fixed amplitudes is equivalent to weighted Max-Cut on the Hilbert-space graph, establishing worst-case NP-hardness.
Explicit conditions are given under which dimer states are guaranteed ground states in generalized Majumdar-Ghosh spin chains and ladders with arbitrary-range and anisotropic interactions, validated by exact diagonalization.
citing papers explorer
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Spin singlets are useful
The spin-zero manifold of exchange-coupled spins offers Catalan-number dimension near 2^N and can be benchmarked with adapted XEB, mirror RB, and OTOCs under coarse PSB readout.
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Graph-Theoretic Analysis of Phase Optimization Complexity in Variational Wave Functions for Heisenberg Antiferromagnets
Ground-state phase reconstruction for Heisenberg antiferromagnets with fixed amplitudes is equivalent to weighted Max-Cut on the Hilbert-space graph, establishing worst-case NP-hardness.
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Exact dimer ground states of long-range spin chains and ladders
Explicit conditions are given under which dimer states are guaranteed ground states in generalized Majumdar-Ghosh spin chains and ladders with arbitrary-range and anisotropic interactions, validated by exact diagonalization.