quantum bit


Also found in: Acronyms, Encyclopedia, Wikipedia.
Related to quantum bit: qubit

quantum bit

n.
The smallest unit of information in a quantum computer, existing in a superposition of two states (1 and 0), and settling on one state or the other only when a measurement of the state is made in order to retrieve the output of the computation. Also called qubit.
Mentioned in ?
References in periodicals archive ?
A digital bit is either 0 or 1, but a quantum bit (or qubit) can be 0, 1 or a superposition of both states.
But if a computer could take advantage of the bizarre quantum rules that govern at the subatomic scale, a quantum bit, or qubit, could represent both a zero and a one at the same time.
By developing new algorithms, software and hardware designs tailored to key properties of quantum technologies capable of 100 to 1,000 quantum bits -- where a quantum bit is the single unit of quantum information -- this project will increase the efficiency of practical quantum computation and aid in transitioning quantum computing out of the laboratory and into practical use.
Despite beginning work on quantum computing 12 years ago, Microsoft has yet to produce a working qubit, or quantum bit -- the basic building block of quantum machines.
Developing a topological quantum bit has been a long-term dream for man and non-Abelian systems could provide the answer.
The team from the University of New South Wales say they have invented a new chip design based on a new type of quantum bit, the basic unit of information in a quantum computer, known as a qubit.
The proposed QPSEC-DS technique uses quantum key distribution approach for encoding the quantum bit with the use of quantum phase shift.
N) quantum rotation angle and the nth quantum bit are updated as:
IBM's quantum computers are currently running with 16 and 17 quantum bit (qubit) processors.
At the heart of quantum computing is the quantum bit, or qubit, a basic unit of information analogous to the Os and 1s represented by transistors in your computer.
The release of a new API (Application Program Interface) for the IBM Quantum Experience that enables developers and programmers to begin building interfaces between its existing five quantum bit (qubit) cloud-based quantum computer and classical computers, without needing a deep background in quantum physics.
Applying voltage V1 results in no quantum operation (blue zones), applying voltage V2 results in a quantum operation on a single quantum bit (green zones), applying voltage V3 results in a quantum operation 'entangling' two quantum bits (red zones).

Full browser ?