In quantum computing and specifically the quantum circuit model of computation, a quantum logic gate (or simply quantum gate) is a basic quantum circuit...

In gate-based quantum computing, various sets of quantum logic gates are commonly used to express quantum operations. The following tables list several...

A quantum computer is a computer that exploits quantum mechanical phenomena. On small scales, physical matter exhibits properties of both particles and...

Quantum Gate (2017) is roughly the 150th release and roughly 30th main studio album by Tangerine Dream. It is the first full-length album since the death...

similar to classical circuits, in which a computation is a sequence of quantum gates, measurements, initializations of qubits to known values, and possibly...

controlled NOT gate (also C-NOT or CNOT), controlled-X gate, controlled-bit-flip gate, Feynman gate or controlled Pauli-X is a quantum logic gate that is an...

reversible gates dissipate less heat (or, in principle, no heat). More recent motivation comes from quantum computing. In quantum mechanics the quantum state...

In quantum computing and quantum information theory, the Clifford gates are the elements of the Clifford group, a set of mathematical transformations which...

implemented as a quantum circuit consisting of only O ( n 2 ) {\displaystyle O(n^{2})} Hadamard gates and controlled phase shift gates, where n {\displaystyle...

of quantum computers. Quantum computing Quantum gate Quantum circuit Quantum programming Toffoli gate, which is a controlled-controlled-NOT gate. Fredkin...

capable of occupying a quantum superposition of both states. A quantum gate, on the other hand, is a generalization of a logic gate describing the transformation...

Quantum teleportation is a technique for transferring quantum information from a sender at one location to a receiver some distance away. While teleportation...

realization of a quantum computer, including Feynman's CNOT gate. Their approach uses atoms and photons and is the progenitor of modern quantum computing and...

noise on stored quantum information, faulty quantum gates, faulty quantum state preparation, and faulty measurements. Effective quantum error correction...

Quantum gate teleportation is a quantum circuit construction where a gate is applied to target qubits by first applying the gate to an entangled state...

In quantum computing, a quantum algorithm is an algorithm that runs on a realistic model of quantum computation, the most commonly used model being the...

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...

A trapped-ion quantum computer is one proposed approach to a large-scale quantum computer. Ions, or charged atomic particles, can be confined and suspended...

arbitrary single qubit gates and a C Z {\displaystyle CZ} gate for universal quantum computation. The C Z {\displaystyle CZ} gate is carried out by leveraging...

optical systems may be the simplest building blocks to realize quantum operations and quantum gates. Each linear optical element equivalently applies a unitary...

Quantum Information Science is a field that combines the principles of quantum mechanics with information theory to study the processing, analysis, and...

In quantum computing, quantum supremacy or quantum advantage is the goal of demonstrating that a programmable quantum computer can solve a problem that...

Quantum information is the information of the state of a quantum system. It is the basic entity of study in quantum information theory, and can be manipulated...

time taken is polynomial in log ⁡ N {\displaystyle \log N} . It takes quantum gates of order O ( ( log ⁡ N ) 2 ( log ⁡ log ⁡ N ) ( log ⁡ log ⁡ log ⁡ N )...

In quantum computing, the variational quantum eigensolver (VQE) is a quantum algorithm for quantum chemistry, quantum simulations and optimization problems...

based on the quantum circuit and quantum logic gate-based model of computing. These QPUs are based on quantum annealing, not to be confused with digital annealing...

synchronization tool that can match the various processes in a quantum computer, a quantum gate that maintains the identity of any state, and a mechanism for...

qubit is made possible by the fact that Alice can choose among four quantum gate operations to perform on her share of the entangled state. Alice determines...

code can transversely implement a universal gate set. Since quantum computers are inherently noisy, quantum error correcting codes are used to correct...

Quantum complexity theory is the subfield of computational complexity theory that deals with complexity classes defined using quantum computers, a computational...