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quant-ph2023
Hamiltonian-based graph-state ansatz for variational quantum algorithms
Abhinav Anand, Kenneth R. Brown
One promising application of near-term quantum devices is to prepare trial wavefunctions using short circuits for solving different problems via variational algorithms. For this pu…
quant-ph2023
Leveraging commuting groups for an efficient variational Hamiltonian ansatz
Abhinav Anand, Kenneth R. Brown
Efficiently calculating the low-lying eigenvalues of Hamiltonians, written as sums of Pauli operators, is a fundamental challenge in quantum computing. While various methods have b…
quant-ph2022★ 3 cited
Exploring the role of parameters in variational quantum algorithms
Abhinav Anand, Sumner Alperin-Lea, Alexandre Choquette +1
In this work, we introduce a quantum-control-inspired method for the characterization of variational quantum circuits using the rank of the dynamical Lie algebra associated with th…