Short-time evolution under an optimized constant two-body solver Hamiltonian can prepare Heisenberg ground states with ~99.9% fidelity, provided warm starts are combined with incremental coupling ramps.
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Time-Efficient Quantum Many-Body State Synthesis and its Optimization via Warm Start Strategies
Short-time evolution under an optimized constant two-body solver Hamiltonian can prepare Heisenberg ground states with ~99.9% fidelity, provided warm starts are combined with incremental coupling ramps.