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...

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...

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...

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

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

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...

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

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

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...

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

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...

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...

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...

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...

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

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

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

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

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...

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 )...

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...

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...

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

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...

Quantum Gate is an interactive movie created by Hyperbole Studios in 1993 and published by the now defunct Media Vision Technology. Quantum Gate sold over...

states through quantum circuits, the simplest takes a computational basis as the input, and contains a Hadamard gate and a CNOT gate (see picture). As...