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  2. List of quantum logic gates - Wikipedia

    en.wikipedia.org/wiki/List_of_quantum_logic_gates

    In gate-based quantum computing, various sets of quantum logic gates are commonly used to express quantum operations. The following tables list several unitary quantum logic gates, together with their common name, how they are represented, and some of their properties.

  3. Quantum logic gate - Wikipedia

    en.wikipedia.org/wiki/Quantum_logic_gate

    Common quantum logic gates by name (including abbreviation), circuit form(s) and the corresponding unitary matrices. In quantum computing and specifically the quantum circuit model of computation, a quantum logic gate (or simply quantum gate) is a basic quantum circuit operating on a small number of qubits.

  4. Quantum circuit - Wikipedia

    en.wikipedia.org/wiki/Quantum_circuit

    The quantum logic gates are reversible unitary transformations on at least one qubit. Multiple qubits taken together are referred to as quantum registers. To define quantum gates, we first need to specify the quantum replacement of an n-bit datum. The quantized version of classical n-bit space {0,1} n is the Hilbert space

  5. Category:Quantum gates - Wikipedia

    en.wikipedia.org/wiki/Category:Quantum_gates

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  6. Controlled NOT gate - Wikipedia

    en.wikipedia.org/wiki/Controlled_NOT_gate

    The classical analog of the CNOT gate is a reversible XOR gate. How the CNOT gate can be used (with Hadamard gates) in a computation.. In computer science, the controlled NOT gate (also C-NOT or CNOT), controlled-X gate, controlled-bit-flip gate, Feynman gate or controlled Pauli-X is a quantum logic gate that is an essential component in the construction of a gate-based quantum computer.

  7. Physical and logical qubits - Wikipedia

    en.wikipedia.org/wiki/Physical_and_logical_qubits

    Qubits are used in quantum circuits and quantum algorithms composed of quantum logic gates to solve computational problems, where they are used for input/output and intermediate computations. A physical qubit is a physical device that behaves as a two-state quantum system, used as a component of a computer system.

  8. Five-qubit error correcting code - Wikipedia

    en.wikipedia.org/wiki/Five-qubit_error...

    Once the logical qubit is encoded, errors on the physical qubits can be detected via stabilizer measurements. A lookup table that maps the results of the stabilizer measurements to the types and locations of the errors gives the control system of the quantum computer enough information to correct errors. [4]

  9. Quil (instruction set architecture) - Wikipedia

    en.wikipedia.org/wiki/Quil_(instruction_set...

    a fixed but arbitrary list of static gates (quantum gates that do not depend on parameters, like the Hadamard gate.) ′ a fixed but arbitrary list of parametric gates (gates that depend on a number of complex parameters like the phase shift gate that requires an angle parameter to be completely defined.)