Fidelity of quantum states information

In quantum mechanics, notably in quantum information theory, fidelity is a measure of the "closeness" of two quantum states. It expresses the probability...

enables a high fidelity of quantum states. Quantinuum has developed middleware and software products that run on trapped-ion and other quantum computing platforms...

efficient determination of fidelity of quantum states across an entire chip, and qubit and gate fidelity. Moreover, superconducting quantum computing devices...

Quantum Circuits. 24 November 2023. Retrieved 27 Nov 2023. Pont, M.; Corrielli, G.; Fyrillas, A.; et, al. (2022-11-29). "High-fidelity generation of four-photon...

Chernoff bound Rényi entropy F-divergence Fidelity of quantum states Dodge, Yadolah (2003). The Oxford Dictionary of Statistical Terms. Oxford University Press...

were derived on the fidelity of cloned quantum states. One of the applications of quantum cloning is to analyse the security of quantum key distribution...

Teleportation as a quantum computation Quantum teleportation with atoms: quantum process tomography Entangled State Teleportation Fidelity of quantum teleportation...

of how well a quantum channel preserves information is called channel fidelity, and it arises from fidelity of quantum states. A bistochastic quantum...

Quantum error correction (QEC) is used in quantum computing to protect quantum information from errors due to decoherence and other quantum noise. Quantum...

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...

quantum Fisher information is a central quantity in quantum metrology and is the quantum analogue of the classical Fisher information. It is one of the...

distance between density matrix operators defining quantum states. It is a quantum generalization of the Fisher information metric, and is identical to...

information as binary states (represented by "1"s and "0"s), quantum memory stores a quantum state for later retrieval. These states hold useful computational...

Quantum decoherence is the loss of quantum coherence. Quantum decoherence has been studied to understand how quantum systems convert to systems which can...

I}[{\rm {tr}}(E\rho )-{\rm {tr}}(E\sigma )].} Similarly, the fidelity of two quantum states, defined by F ( ρ , σ ) = ( Tr ⁡ ρ σ ρ ) 2 , {\displaystyle...

Chair in Quantum Physics at the University of Cambridge. He is a fellow of King's College, Cambridge, where his research investigates quantum information...

methods of machine learning to the study of quantum systems is the focus of an emergent area of physics research. A basic example of this is quantum state...

from those of larger particles via quantum mechanical effects. They are a central topic in nanotechnology and materials science. When a quantum dot is illuminated...

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...

it is important to verify that indeed, an entangled quantum state has been created. The fidelity with respect to a N {\displaystyle N} -qubit graph state...

identical initial states diverge when subjected to slightly different dynamics". They consider fidelity decay to be "the closest quantum analog to the (purely...

Dmytro; Wang, Lei; Babikov, Dmitri (2012). "High fidelity quantum gates with vibrational qubits". Journal of Chemical Physics. 116 (46): 11347–11354. Bibcode:2012JPCA...

Quantum neural networks are computational neural network models which are based on the principles of quantum mechanics. The first ideas on quantum neural...

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