In quantum computing, a qubit (/ˈkjuːbɪt/) or quantum bit is a basic unit of quantum information—the quantum version of the classic binary bit physically...

states. When measuring a qubit, the result is a probabilistic output of a classical bit. If a quantum computer manipulates the qubit in a particular way,...

electronic circuits using superconducting qubits as artificial atoms, or quantum dots. For superconducting qubits, the two logic states are the ground state...

In quantum computing, a charge qubit (also known as Cooper-pair box) is a qubit whose basis states are charge states (i.e. states which represent the presence...

qubit in Wiktionary, the free dictionary. A qubit is a quantum bit, a unit of quantum information — the quantum analogue of the classical bit. Qubit may...

In quantum computing, a qubit is a unit of information analogous to a bit (binary digit) in classical computing, but it is affected by quantum mechanical...

0.66. Three qubits are required for this process: the source qubit from the sender, the ancillary qubit, and the receiver's target qubit, which is maximally...

The Qubit fluorometer is a laboratory instrument developed and distributed by Invitrogen, which is now a part of Thermo Fisher. It is used for the quantification...

physical qubit numbers do not reflect the performance levels of the processor. This is instead achieved through the number of logical qubits or benchmarking...

superconducting quantum computing, a transmon is a type of superconducting charge qubit designed to have reduced sensitivity to charge noise. The transmon was developed...

operate as a quantum bit, or qubit. The phase qubit is closely related, yet distinct from, the flux qubit and the charge qubit, which are also quantum bits...

the no-cloning theorem. Alexander Holevo publishes a paper showing that n qubits can carry more than n classical bits of information, but at most n classical...

quantum gate) is a basic quantum circuit operating on a small number of qubits. Quantum logic gates are the building blocks of quantum circuits, like classical...

Effective quantum error correction would allow quantum computers with low qubit fidelity to execute algorithms of higher complexity or greater circuit depth...

specifically in superconducting quantum computing, flux qubits (also known as persistent current qubits) are micrometer sized loops of superconducting metal...

introduces a global phase e i φ {\displaystyle e^{i\varphi }} to the whole qubit quantum state. A quantum state is uniquely defined up to a phase. Because...

equation governing that system. An example is a qubit used in quantum information processing. A qubit state is most generally a superposition of the basis...

IBM Condor is a 1,121-qubit quantum processor created by IBM, unveiled during the IBM Quantum Summit 2023, which occurred on December 4, 2023. It is the...

applied to induce coupling between the qubit states (for single qubit operations) or coupling between the internal qubit states and the external motional states...

terms of ancilla qubits, that can be used for example in quantum error correction. One notable example for the use of ancilla qubits in quantum computing...

Zagoskin was a postdoctoral fellow. The company name refers to their first qubit designs, which used d-wave superconductors. D-Wave operated as an offshoot...

science, the Bell's states or EPR pairs are specific quantum states of two qubits that represent the simplest examples of quantum entanglement.: 25  The Bell's...

demonstrate a 48 logical qubit processor. To perform computation, the atoms are first trapped in a magneto-optical trap. Qubits are then encoded in the...

six-photon entanglement, eight-photon entanglement, and five-photon ten-qubit cat state. This spin up/down formulation was proposed by David Bohm, who...

information. An example of quantum information is the general dynamics of a qubit. An example of classical information is a text document transmitted over...

five-qubit error correcting code is the smallest quantum error correcting code that can protect a logical qubit from any arbitrary single qubit error...

initializations of qubits to known values, and possibly other actions. The minimum set of actions that a circuit needs to be able to perform on the qubits to enable...

which are based on the quantum bit "qubit". Qubit is somewhat analogous to the bit in classical computation. Qubits can be in a 1 or 0 quantum state, or...

The One Clean Qubit model of computation is performed an n {\displaystyle n} qubit system with one pure state and n − 1 {\displaystyle n-1} maximally mixed...

By February 2016, Rigetti created its first quantum processor, a three-qubit chip made using aluminum circuits on a silicon wafer. That same year, Rigetti...