31 citations · 87 across the 16 of their papers we have counts for
16 papers
Explicit Quantum Circuit Simulation of Nonlinear 1-Dimensional Fluid with Carleman-linearized Boltzmann Method
Keita Kanno, Kazumasa Ueno, Hayato Higuchi +5
Quantum computation of fluid dynamics has attracted growing attention as a key application of fault-tolerant quantum computers anticipated in the coming decade, with lattice Boltzm…
Evaluating higher-order product formulae for molecular ground-state energy estimation
Hiromu Abe, Keita Kanno, Ryosuke Kimura +2
We evaluate deterministic higher-order product formulae for molecular ground-state energy estimation. Motivated by recent fault-tolerant architectures in which non-Clifford operati…
A Demonstration of Quantum Circuit Implementation for Obstacle Flow Using Carleman-Linearized Lattice Boltzmann Method
Kazumasa Ueno, Keita Kanno, Yasunori Lee
Fluid simulations, especially at high Reynolds numbers, are computationally expensive on classical computers, making them promising application targets for quantum computing. Recen…
On universality of hardware-efficient ansatzes
Hokuto Iwakiri, Keita Kanno
The hardware-efficient ansatz (HEA) is one of the most important class of parametrized quantum circuits for near-term applications of quantum computing. We show that the problem of…
Quantum expectation value estimation by doubling the number of qubits
Hiroshi Yano, Masaya Kohda, Shoichiro Tsutsui +4
Expectation value estimation is ubiquitous in quantum algorithms. The expectation value of a Hamiltonian, which is essential in various practical applications, is often estimated b…
Orbital-rotated Fermi-Hubbard model as a benchmarking problem for quantum chemistry with the exact solution
Ryota Kojima, Masahiko Kamoshita, Keita Kanno
Quantum chemistry is a key target for quantum computing, but benchmarking quantum algorithms for large molecular systems remains challenging due to the lack of exactly solvable yet…
Bias-preserving computation with the bit-flip code
Shoichiro Tsutsui, Keita Kanno
We explore the feasibility of fault-tolerant quantum computation using the bit-flip repetition code in a biased noise channel where only the bit-flip error can occur. While several…
Modal analysis on quantum computers via qubitization
Yasunori Lee, Keita Kanno
Natural frequencies and normal modes are basic properties of a structure which play important roles in analyses of its vibrational characteristics. As their computation reduces to…
Minimizing readout-induced noise for early fault-tolerant quantum computers
Yunzhe Zheng, Keita Kanno
Quantum error correcting code can diagnose potential errors and correct them based on measured outcomes by leveraging syndrome measurement. However, mid-circuit measurement has bee…
Computational analysis of chemical reactions using a variational quantum eigensolver algorithm without specifying spin multiplicity
Soichi Shirai, Hokuto Iwakiri, Keita Kanno +4
The analysis of a chemical reaction along the ground state potential energy surface in conjunction with an unknown spin state is challenging because electronic states must be separ…
Quantum-Selected Configuration Interaction: classical diagonalization of Hamiltonians in subspaces selected by quantum computers
Keita Kanno, Masaya Kohda, Ryosuke Imai +4
We propose quantum-selected configuration interaction (QSCI), a class of hybrid quantum-classical algorithms for calculating the ground- and excited-state energies of many-electron…
Almost optimal measurement scheduling of molecular Hamiltonian via finite projective plane
Wataru Inoue, Koki Aoyama, Yusuke Teranishi +3
We propose an efficient and almost optimal scheme for measuring molecular Hamiltonians in quantum chemistry on quantum computers, which requires distinct measurements in the…
Quantum expectation-value estimation by computational basis sampling
Masaya Kohda, Ryosuke Imai, Keita Kanno +3
Measuring expectation values of observables is an essential ingredient in variational quantum algorithms. A practical obstacle is the necessity of a large number of measurements fo…
Molecular Structure Optimization based on Electrons-Nuclei Quantum Dynamics Computation
Hirotoshi Hirai, Takahiro Horiba, Soichi Shirai +4
A new concept of the molecular structure optimization method based on quantum dynamics computations is presented. Nuclei are treated as quantum mechanical particles, as are electro…
W=0 Complex Structure Moduli Stabilization on CM-type K3 x K3 Orbifolds:---Arithmetic, Geometry and Particle Physics---
Keita Kanno, Taizan Watari
It is an important question in string compactification whether complex structure moduli stabilization inevitably ends up with a vacuum expectation value of the superpotential < W >…
Revisiting arithmetic solutions to the condition
Keita Kanno, Taizan Watari
The gravitino mass is expected not to be much smaller than the Planck scale for a large fraction of vacua in flux compactifications. There is no continuous parameter to tune even b…