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quant-ph2022★ 35 cited
Fluid fermionic fragments for optimizing quantum measurements of electronic Hamiltonians in the variational quantum eigensolver
Seonghoon Choi, Ignacio Loaiza, Artur F. Izmaylov
Measuring the expectation value of the molecular electronic Hamiltonian is one of the challenging parts of the variational quantum eigensolver. A widely used strategy is to express…
quant-ph2022★ 46 cited
Reducing molecular electronic Hamiltonian simulation cost for Linear Combination of Unitaries approaches
Ignacio Loaiza, Alireza Marefat Khah, Nathan Wiebe +1
We consider different Linear Combination of Unitaries (LCU) decompositions for molecular electronic structure Hamiltonians. Using these LCU decompositions for Hamiltonian simulatio…