Hybrid Quantum–Classical Algorithms: At the Verge of Useful Quantum Computing
© The Physical Society of Japan
This article is on
Hybrid Quantum-Classical Algorithms and Quantum Error Mitigation
J. Phys. Soc. Jpn.
90,
032001
(2021)
.
Scientists discuss the recent progress in algorithms that have enabled hybrid quantum–classical computers, which has brought the quest to realize useful quantum computing much closer to its finish line.
Hybrid Quantum-Classical Algorithms and Quantum Error Mitigation
J. Phys. Soc. Jpn.
90,
032001
(2021)
.
Share this topic
Fields
Related Articles
-
Higher-Order Topological Phases in Magnetic Materials with Breathing Pyrochlore Structures
Electronic structure and electrical properties of surfaces and nanostructures
Magnetic properties in condensed matter
Mathematical methods, classical and quantum physics, relativity, gravitation, numerical simulation, computational modeling
2025-4-7
A simple example of a higher-order topological phase, in which the symmetry decreases step-by-step from the bulk to the corner, is realized in a magnetic system with a pyrochlore structure and is characterized by a series of quantized Berry phases defined for the bulk, surface, and edge.
-
Exploring the Vibrant Interplay of Machine Learning and Physics
Cross-disciplinary physics and related areas of science and technology
Electron states in condensed matter
Elementary particles, fields, and strings
Mathematical methods, classical and quantum physics, relativity, gravitation, numerical simulation, computational modeling
Statistical physics and thermodynamics
Superconductivity
2025-3-13
This Journal of the Physical Society of Japan Special Topics edition explores how physics and machine learning complement each other and can solve unresolved problems in physics.
-
Traffic Signal Optimization using Quantum Annealing
Mathematical methods, classical and quantum physics, relativity, gravitation, numerical simulation, computational modeling
2025-2-25
This paper introduces a QUBO model for traffic signal optimization on real-world maps. Using D-Wave quantum annealing and SUMO simulations, the model reduces vehicle waiting times, but underperforms classical solvers.
-
Exploring Materials without Data Exposure: A Bayesian Optimizer using Secure Computation
Cross-disciplinary physics and related areas of science and technology
Measurement, instrumentation, and techniques
2025-2-6
Secure computation allows the manipulation of material data without exposing them, thereby offering an alternative to traditional open/closed data management. We recently reported the development of an application that performs Bayesian optimization using secure computation.
-
Triangular Lattice Magnet GdGa2: Spin Cycloids and Skyrmions
Cross-disciplinary physics and related areas of science and technology
Electronic transport in condensed matter
Magnetic properties in condensed matter
2025-2-3
Careful measurements were conducted on the hexagonal magnet GdGa2 to reveal the experimental signatures of ultrasmall spin cycloids and of a potential Néel-type skyrmion lattice phase induced by a magnetic field.