SPRINT and GRADE cut Toffoli cost 4.5x versus prior Trotter methods for Li4Mn2O X-ray spectrum simulation while using 5.5x fewer qubits than qubitization alternatives.
That is, we choose time stepτsuch that the expected error τ p| ⟨Yp⟩ |is under the target errorϵon average for the evaluated eigenstates
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Theory and practice of Trotter product formulas for quantum chemistry
SPRINT and GRADE cut Toffoli cost 4.5x versus prior Trotter methods for Li4Mn2O X-ray spectrum simulation while using 5.5x fewer qubits than qubitization alternatives.