67 citations · 140 across the 8 of their papers we have counts for
8 papers
Optimal Parameter Configurations for Sequential Optimization of Variational Quantum Eigensolver
Katsuhiro Endo, Yuki Sato, Rudy Raymond +3
Variational Quantum Eigensolver (VQE) is a hybrid algorithm for finding the minimum eigenvalue/vector of a given Hamiltonian by optimizing a parametrized quantum circuit (PQC) usin…
Variational quantum algorithm for generalized eigenvalue problems and its application to the finite element method
Yuki Sato, Hiroshi C. Watanabe, Rudy Raymond +5
Generalized eigenvalue problems (GEPs) play an important role in the variety of fields including engineering, machine learning and quantum chemistry. Especially, many problems in t…
Sequential optimal selection of a single-qubit gate and its relation to barren plateau in parameterized quantum circuits
Kaito Wada, Rudy Raymond, Yuki Sato +1
We propose an algorithm for variational quantum algorithms (VQAs) to optimize the structure of parameterized quantum circuits (PQCs) efficiently. The algorithm optimizes the PQC st…
Simulating Time Evolution with Fully Optimized Single-Qubit Gates on Parameterized Quantum Circuits
Kaito Wada, Rudy Raymond, Yu-ya Ohnishi +4
We propose a novel method to sequentially optimize arbitrary single-qubit gates in parameterized quantum circuits for simulating real and imaginary time evolution. The method utili…
Optimizing Parameterized Quantum Circuits with Free-Axis Selection
Hiroshi C. Watanabe, Rudy Raymond, Yu-ya Ohnishi +2
Variational quantum algorithms, which utilize Parametrized Quantum Circuits (PQCs), are promising tools to achieve quantum advantage for optimization problems on near-term quantum…
Post-Hartree-Fock method in Quantum Chemistry for Quantum Computer
Yutaka Shikano, Hiroshi C. Watanabe, Ken M. Nakanishi +1
Quantum computational chemistry is a potential application of quantum computers that is expected to effectively solve several quantum-chemistry problems, particularly the electroni…
Applications of Quantum Computing for Investigations of Electronic Transitions in Phenylsulfonyl-carbazole TADF Emitters
Qi Gao, Gavin O. Jones, Mario Motta +7
A quantum chemistry study of the first singlet (S1) and triplet (T1) excited states of phenylsulfonyl-carbazole compounds, proposed as useful thermally activated delayed fluorescen…
Label-free phase change detection of lipid bilayers using nanoscale diamond magnetometry
Hitoshi Ishiwata, Hiroshi C. Watanabe, Shinya Hanashima +2
The NV center in a diamond is a quantum sensor with exceptional quality for highly sensitive nanoscale analysis of NMR spectra and thermometry. In this study, we investigate nanosc…