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  2. Qubit - Wikipedia

    en.wikipedia.org/wiki/Qubit

    The general definition of a qubit as the quantum state of a two-level quantum system.In quantum computing, a qubit (/ ˈ k juː b ɪ t /) or quantum bit is a basic unit of quantum information—the quantum version of the classic binary bit physically realized with a two-state device.

  3. Cubit - Wikipedia

    en.wikipedia.org/wiki/Cubit

    A royal cubit (gaz-i shāhī) appeared in the 17th century with 95 cm (37 + 1 ⁄ 2 in), while a "shortened" cubit (gaz-i mukassar) of 6.8 cm (2 + 11 ⁄ 16 in) (likely derived from the widely used cloth cubit of Aleppo) was used for cloth. [27] The measure survived into the 20th century, with 1 gaz equal to 104 cm (41 in). [27]

  4. Physical and logical qubits - Wikipedia

    en.wikipedia.org/wiki/Physical_and_logical_qubits

    [1] [2] A logical qubit is a physical or abstract qubit that performs as specified in a quantum algorithm or quantum circuit [3] subject to unitary transformations, has a long enough coherence time to be usable by quantum logic gates (c.f. propagation delay for classical logic gates). [1] [4] [5]

  5. One-way quantum computer - Wikipedia

    en.wikipedia.org/wiki/One-way_quantum_computer

    The purpose of quantum computing focuses on building an information theory with the features of quantum mechanics: instead of encoding a binary unit of information (), which can be switched to 1 or 0, a quantum binary unit of information (qubit) can simultaneously turn to be 0 and 1 at the same time, thanks to the phenomenon called superposition.

  6. Bennett's laws - Wikipedia

    en.wikipedia.org/wiki/Bennett's_laws

    1 ebit + 2 bits 1 qubit (i.e. quantum teleportation), where ⩾ {\displaystyle \geqslant } indicates "can do the job of". These principles were formulated around 1993 by Charles H. Bennett .

  7. Quantum computing - Wikipedia

    en.wikipedia.org/wiki/Quantum_computing

    Just as the bit is the basic concept of classical information theory, the qubit is the fundamental unit of quantum information.The same term qubit is used to refer to an abstract mathematical model and to any physical system that is represented by that model.

  8. Qbit - Wikipedia

    en.wikipedia.org/wiki/Qbit

    Qbit may refer to: . Quettabit, the symbol for the decimal unit of information storage; qBittorrent; Qubit, a quantum bit, or qubit (sometimes qbit) is a unit of quantum information

  9. Neutral atom quantum computer - Wikipedia

    en.wikipedia.org/wiki/Neutral_atom_quantum_computer

    Global single qubit gates on all the atoms can be done either by applying a microwave field for qubits encoded in the Hyperfine manifold such as Rb and Cs or by applying an RF magnetic field for qubits encoded in the nuclear spin such as Yb and Sr. Focused laser beams can be used to do single-site one qubit rotation using a lambda-type three level Raman scheme (see figure).