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• Quantum programming — is a set of computer programming languages that allow the expression of quantum algorithms using high level constructs. The point of quantum languages is not so much to provide a tool for programmers, but to provide tools for researchers to… …   Wikipedia

• Quantum random walk — Quantum random walks are a mathematical model for quantum mechanical systems that correspond to classical random walks under the process of continuous measurement, and as a source of algorithms for quantum computing. They are distinguished from… …   Wikipedia

• Quantum computer — A quantum computer is a device for computation that makes direct use of distinctively quantum mechanical phenomena, such as superposition and entanglement, to perform operations on data. In a classical (or conventional) computer, information is… …   Wikipedia

• Quantum information — For the journal with this title, see Historical Social Research. In quantum mechanics, quantum information is physical information that is held in the state of a quantum system. The most popular unit of quantum information is the qubit, a two… …   Wikipedia

• Quantum sort — A quantum sort is any sorting algorithm that runs on a quantum computer. Any comparison based quantum sorting algorithm would take at least Omega(n log n) steps [cite conference author = P. Høyer, J. Neerbek, Y. Shi title = Quantum complexities… …   Wikipedia

• Quantum channel — In quantum information theory, a quantum channel is a communication channel which can transmit quantum information, as well as classical information. An example of quantum information is the state of a qubit. An example of classical information… …   Wikipedia

• Quantum finite automata — In quantum computing, quantum finite automata or QFA are a quantum analog of probabilistic automata. They are related to quantum computers in a similar fashion as finite automata are related to Turing machines. Several types of automata may be… …   Wikipedia

• Quantum Fourier transform — The quantum Fourier transform is the discrete Fourier transform with a particular decomposition into a product of simpler unitary matrices. Using this decomposition, the discrete Fourier transform can be implemented as a quantum circuit… …   Wikipedia

• Quantum Monte Carlo — is a large class of computer algorithms that simulate quantum systems with the idea of solving the many body problem. They use, in one way or another, the Monte Carlo method to handle the many dimensional integrals that arise. Quantum Monte Carlo …   Wikipedia

• Quantum information science — concerns information science that depends on quantum effects in physics. It includes theoretical issues in computational models as well as more experimental topics in quantum physics including what can and cannot be done with quantum information …   Wikipedia

• Quantum mind — theories are based on the premise that quantum mechanics is necessary to fully understand the mind and brain, particularly concerning an explanation of consciousness. This approach is considered a minority opinion in science, although it does… …   Wikipedia