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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.
The approach of topological qubits, which takes advantage of topological effects in quantum mechanics, has been proposed as needing many fewer or even a single physical qubit per logical qubit. [10]
This qubit virtualization system was used to create 4 logical qubits with 30 of the 32 qubits on Quantinuum's trapped-ion hardware. The system uses an active syndrome extraction technique to diagnose errors and correct them while calculations are underway without destroying the logical qubits.
Book list Book table 1: Unnamed parameter. Main page for sublists that are transcluded elsewhere. Transclusion to declared page will hide summaries. — background: HEX code for row background: HEX code for table header background book_number: Book number (e.g. series numbering sequence) "No." title: Book title "Title" alt_title
The second register uses qubits, where is the smallest integer such that , i.e., = ⌈ ⌉. The size of the first register determines how accurate of an approximation the circuit produces. The size of the first register determines how accurate of an approximation the circuit produces.
Qubits (physical) Release date Quantum volume Alpine Quantum Technologies PINE System [2] Trapped ion: 24 [3] June 7, 2021: 128 [4] Atom Computing Phoenix Neutral atoms in optical lattices: 100 [5] August 10, 2021: Atom Computing N/A Neutral atoms in optical lattices: 35×35 lattice (with 45 vacancies) < 99.5 (2 qubits) [6] 1180 [7] [8] October ...
First, we have end nodes on which applications are ultimately run. These end nodes are quantum processors of at least one qubit. Some applications of a quantum internet require quantum processors of several qubits as well as a quantum memory at the end nodes. Second, to transport qubits from one node to another, we need communication lines.
NIST demonstrates multiple computing operations on qubits. [143] The first large-scale topological cluster state quantum architecture is developed for atom-optics. [144] A combination of all of the fundamental elements required to perform scalable quantum computing through the use of qubits stored in the internal states of trapped atomic ions ...