SE-QPE modifies canonical QPE by using CSWAP interference to remove controlled-simulation overhead while preserving phase outcomes for particle-conserving Hamiltonians with shared eigenbases, yielding resource reductions and a hardware demonstration on ethylene.
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Randomized Subsystem Descent reduces weighted Pauli weight in fermion-to-qubit mappings for Hubbard models up to 16x16 sites and molecular Hamiltonians with 54 modes.
citing papers explorer
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Split-Evolution Quantum Phase Estimation for Particle-Conserving Hamiltonians
SE-QPE modifies canonical QPE by using CSWAP interference to remove controlled-simulation overhead while preserving phase outcomes for particle-conserving Hamiltonians with shared eigenbases, yielding resource reductions and a hardware demonstration on ethylene.
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Randomized Subsystem Descent for Fermion-to-Qubit Mapping
Randomized Subsystem Descent reduces weighted Pauli weight in fermion-to-qubit mappings for Hubbard models up to 16x16 sites and molecular Hamiltonians with 54 modes.