4 papers · 1 filter
Symmetry-Adapted State Preparation for Quantum Chemistry on Fault-Tolerant Quantum Computers
Viktor Khinevich, Wataru Mizukami
We present systematic and resource-efficient constructions of continuous symmetry projectors, particularly particle number and total spin, tailored for fault-toleran…
Quantum Power Iteration Unified Using Generalized Quantum Signal Processing
Viktor Khinevich, Yasunori Lee, Nobuyuki Yoshioka +1
We propose a unifying framework for the state preparation using quantum power method algorithms based on generalized quantum signal processing (GQSP). We apply GQSP to realize quan…
Enhancing quantum computations with the synergy of auxiliary field quantum Monte Carlo and computational basis tomography
Viktor Khinevich, Wataru Mizukami
We introduce QC-CBT-AFQMC, a hybrid algorithm that incorporates computational basis tomography (CBT) into the quantum-classical auxiliary-field quantum Monte Carlo (QC-AFQMC) metho…
Chebyshev Approximated Variational Coupled Cluster for Quantum Computing
Luca Erhart, Yuichiro Yoshida, Viktor Khinevich +1
We propose an approach to approximately implement the variational coupled cluster (VCC) theory on quantum computers, which struggles with exponential scaling of computational costs…