qubit state

  • 1Pure qubit state — In quantum information processing, a pure qubit state is a non zero Quantum superposition of two basis states, conventionally written in bra ket notation notation as | 0 angle and | 1 angle . Two pure qubit states are physically indistinguishable …

    Wikipedia

  • 2Qubit — A qubit is not to be confused with a cubit, which is an ancient measure of length. A quantum bit or qubit IPA| [ kju.bɪt] (sometimes also qbit) is a unit of quantum information. That information is described by a state vector in a two level… …

    Wikipedia

  • 3qubit — /kūˈbit/ noun The basic unit of information in quantum computing, consisting of an individual atom or subatomic particle considered as forming a binary system by representing its spin state as 1 or 0 ORIGIN: quantum and bit …

    Useful english dictionary

  • 4qubit — noun /ˈkjuːbɪt,ˈkjubɪt/ a quantum bit; the unit of quantum information; a bit in a quantum computer capable of being in a state of superposition. Syn: qbit, quantum bit See Also: qutrit …

    Wiktionary

  • 5Flux qubit — In quantum computing, flux qubits (also known as persistent current qubits) are micrometer sized loops of superconducting metal interrupted by a number of Josephson junctions. The junction parameters are engineered during fabrication so that a… …

    Wikipedia

  • 6Bell state — The Bell states are a concept in quantum information science and represent the simplest possible examples of entanglement. They are named after John S. Bell, as they are the subject of his famous Bell inequality. A Bell pair is a pair of qubits… …

    Wikipedia

  • 7Charge qubit — Circuit diagram of a Cooper pair box circuit. The island (dotted line) is formed by the superconducting electrode between the gate capacitor and the junction capacitance. In quantum computing, a charge qubit is a superconducting qubit whose basis …

    Wikipedia

  • 8Cluster state — In quantum information and quantum computing, a cluster state is a type of highly entangled state of multiple qubits. Cluster states are generated in lattices of qubits with Ising type interactions. A cluster C is a connected subset of a d… …

    Wikipedia

  • 9Greenberger-Horne-Zeilinger state — In physics, in the area of quantum information theory, a Greenberger Horne Zeilinger state is a certain type of entangled quantum state which involves at least three subsystems (particles). It was first studied by D. Greenberger, M.A. Horne and… …

    Wikipedia

  • 10Quantum state — In quantum physics, a quantum state is a mathematical object that fully describes a quantum system. One typically imagines some experimental apparatus and procedure which prepares this quantum state; the mathematical object then reflects the… …

    Wikipedia