Synonymer & Information om | Engelska ordet QUBIT

Exempel på hur man kan använda QUBIT i en mening

• A qubit is a two-state (or two-level) quantum-mechanical system, and is one of the simplest quantum systems displaying the peculiarity of quantum mechanics.
• They also correspond to the Pauli X, Y, and Z gates, which are standard generators for the single qubit gates, corresponding to 3d rotations about the axes of the Bloch sphere.
• Measurement can even be randomly and concurrently interleaved qubit by qubit, since the measurements assignment of one qubit will limit the possible value-space from the other entangled qubits.
• Peter Shor first discovered this method of formulating a quantum error correcting code by storing the information of one qubit onto a highly entangled state of nine qubits.
• The charge qubit is typically read-out by electrostatically coupling the island to an extremely sensitive electrometer such as the radio-frequency single-electron transistor.
• Hence, following Einstein, Podolsky, and Rosen in their famous 1935 "EPR paper", there is something missing in the description of the qubit pair given abovenamely this "agreement", called more formally a hidden variable.
• The qutrit is analogous to the classical radix-3 trit, just as the qubit, a quantum system described by a superposition of two orthogonal states, is analogous to the classical radix-2 bit.
• Two such superconductors which have been used in superconducting qubit models are niobium and tantalum, both d-band superconductors.
• Lasers are applied to induce coupling between the qubit states (for single qubit operations) or between the internal qubit states and external motional states (for entanglement between qubits).
• Lasers are applied to induce coupling between the qubit states (for single qubit operations) or coupling between the internal qubit states and the external motional states (for entanglement between qubits).
• In 2005, 2006 and 2008, Sankar Das Sarma, Freedman and Chetan Nayak developed theoretical proposals for a topological qubit using the fractional quantum Hall effect and for topological quantum computing based on non-abelian anyons.
• Quantum decoherence can occur when one qubit from a maximally entangled bell state is transmitted across a quantum network.
• Superdense coding can be thought of as the opposite of quantum teleportation, in which one transfers one qubit from Alice to Bob by communicating two classical bits, as long as Alice and Bob have a pre-shared Bell pair.
• If Alice and Bob share two qubits Y and Z in an entangled state and Alice performs a (post-selected) entangled measurement between Y and another qubit X, then this qubit X will be teleported from Alice to Bob: quantum teleportation is an identity morphism.
• In 2005, Sankar Das Sarma, Michael Freedman, and Chetan Nayak proposed a quantum Hall device that would realize a topological qubit.
• In view of quantum computation in solid-state systems, QPCs can be used as readout devices for the state of a quantum bit (qubit).
• In quantum computing, the Gottesman–Knill theorem is a theoretical result by Daniel Gottesman and Emanuel Knill that states that stabilizer circuits, circuits that only consist of gates from the normalizer of the qubit Pauli group, also called Clifford group, can be perfectly simulated in polynomial time on a probabilistic classical computer.
• Moreover, as in a crystal structure we can localize precisely the qubits, we can measure each qubit individually, instead of having an ensemble measurement as in LSNMR.
• From these equations, it can be seen that the Josephson inductance term is non-linear from the cosine term in the denominator; because of this, the energy level spacings are no longer degenerate, restricting the dynamics of the system to the two qubit states.
• The Steane code encodes one logical qubit in 7 physical qubits and is able to correct arbitrary single qubit errors.

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