12 papers
Solving Differential Equations Using Continuous-Variable Quantum Annealing
Kazuki Miyanishi, Soshun Naito, Asuka Koura +3
Most existing quantum annealing approaches are formulated for qubit-based architectures. Consequently, applying them to continuous-variable optimization problems requires discretiz…
Proposal for Estimating the Energy Gap of the Transverse-Field Ising Hamiltonian Using a D-Wave Quantum Annealer
Kota Yamada, Yuichiro Matsuzaki
The transverse-field Ising model is a fundamental quantum spin system that captures the competition between quantum fluctuations and interactions, playing a central role in studies…
-Party Hadamard Test for Distributed Quantum Computation
Kaoru Yamamoto, Yuichiro Matsuzaki, Yasunari Suzuki +2
Quantum computers promise computational advantages over classical computers, but hardware-imposed limitations remain a major obstacle. The Hadamard test mitigates these limitations…
Unitary-transformed projective squeezing: applications for circuit-knitting and state-preparation of non-Gaussian states
Keitaro Anai, Yasunari Suzuki, Yuuki Tokunaga +3
Continuous-variable (CV) quantum computing is a promising candidate for quantum computation because it can, even with one mode, utilize infinite-dimensional Hilbert spaces and can…
Theoretical Analysis of Photonic Resonances in Spectroscopic Measurements of a Kerr Nonlinear Resonator
Yuki Tanaka, Aiko Yamaguchi, Tomohiro Yamaji +4
The Kerr parametric oscillator (KPO) has recently attracted considerable attention from the perspective of its applications to quantum information processing, and understanding its…
Quantum Annealing with Qubit-Resonator Systems for Simultaneous Optimization of Binary and Continuous Variables
Seiya Endo, Shohei Kawakatsu, Hiromichi Matsuyama +2
Quantum annealing is a method developed to solve combinatorial optimization problems by utilizing quantum bits. Solving such problems corresponds to minimizing a cost function defi…