For many years, the fields of quantum mechanics and computer science formed distinct academic communities. Modern quantum theory developed in the 1920s to explain the 展开

Computer engineers typically describe a modern computer's operation in terms of classical electrodynamics. Within these "classical" computers, … 展开

Progress in finding quantum algorithms typically focuses on this quantum circuit model, though exceptions like the quantum adiabatic algorithm exist. Quantum algorithms can … 展开

Computability
Any computational problem solvable by a classical computer is also solvable by a quantum computer. … 展开

Quantum cryptography enables new ways to transmit data securely; for example, quantum key distribution uses entangled quantum states to establish secure cryptographic keys. … 展开

As of 2023, classical computers outperform quantum computers for all real-world applications. While current quantum computers may speed up solutions to particular mathematical problems, they give no computational advantage for practical tasks. … 展开

• D-Wave Systems – Canadian quantum computing company
• Electronic quantum holography
• Glossary of quantum computing
• IARPA – American government agency 展开