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Quantum computing

A quantum computer is a computer that represents and processes information using quantum states. Quantum computations exploit phenomena such as superposition, interference, and entanglement. Quantum computers have the potential to complete some calculations exponentially faster than classical computers. For example, a large-scale quantum computer could…

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Overview

History

Quantum information processing

Communication

Algorithms

Engineering

Theory

Types of quantum computers

Sources

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Quantum computing

Nodes273
Edges272
Triples158
Avg. degree1.99
Density0.007326
Components1

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Quantum computing

Top relations

related to Sources · 29
Quantum computing → Aaronson, An Introduction, Cambridge University Press, CBO9780511813870, CBO9780511976667, CBO9780511979309, Chuang, David, DC, Emily, Grumbling, Horowitz, Isaac, ISBN, Mark, Mermin, Michael, Nielsen, OCLC, Progress
see also · 21
Quantum computing → Advanced Research Projects Activity, American, Application, Computer, Computing, D-Wave Systems, Device, Experimental, India's, Indian, Indus, Information, Method, Methods, Metric, New, Quantum, Subfield, Type, Unintuitive
related to External links · 20
Quantum computing → Amit Hagar, August, Business, Cuffaro, EMS Press, Encyclopedia, IBM, IBM Lectures, Introduction, Koen GroenlandSchneider, Mathematics, Media, Michael, Philosophy, Quantum, Smalley, What Is Quantum Computing, Wikimedia Commons Learning, WikiversityStanford Encyclopedia, Wiktionary-logo-en-v2
related to Cryptography · 16
Quantum computing → Breaking, By, Conventional, Diffie, Digital, Encryption, Hellman, In, Integer, Quantum, RSA, Shor's, These, This, Thus, Web
related to history · 13
Quantum computing → As, Both, Charles Bennett, Computers, Gilles Brassard, In, Manhattan Project, Paul Benioff, Quantum, Richard Feynman, Turing, World War II, Yuri Manin
related to Noisy intermediate-scale quantum computing · 13
Quantum computing → According, Caltech, DARPA's Optimization, Harvard, MIT, NISQ, Noisy Intermediate-Scale Quantum, ONISQ, Princeton, QuEra Computing, Scientists, The, The Harvard
related to Types of quantum computers · 9
Quantum computing → Cat, Kane, Linear, Neutral, Nuclear, Spin, Superconducting, Topological, Trapped-ion
related to State of affairs: 2020s · 7
Quantum computing → Despite, For, Grover's, I/O, It, The, This
related to Communication · 6
Quantum computing → Modern, Ongoing, Quantum, Theoretically, When, With
related to Simulation of quantum systems · 6
Quantum computing → About, Haber, IBM, In June, Quantum, Since

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Important terminology

quantum computer classical computers qubit algorithms problems computing algorithm qubits computation using state states problem one error systems may displaystyle

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
superpositioninstance ofQuantum computations exploit phenomena0.80text
interferenceinstance ofQuantum computations exploit phenomena0.80text
and entanglementinstance ofQuantum computations exploit phenomena0.80text
superpositioninstance ofquantum-mechanical notions0.80text
wave interference are largely irrelevant in program analysis.Theinstance ofquantum-mechanical notions0.80text
the Hadamard gateinstance ofthey behave differently under operations0.80text
the quantum adiabatic algorithm existinstance ofthough exceptions0.80text
the reactions inside a colliderinstance ofQuantum simulation could be used to simulate the behavior of atoms and particles under unusual conditions0.80text
entanglementinstance ofQuantum cryptography replaces conventional encryption algorithms with techniques based on quantum mechanics0.80text
cosmic rays can cause certain systems to decohere within milliseconds.As a resultinstance ofA 2020 study reported that ionizing radiation0.80text
time-consuming tasks may render some quantum algorithms inoperableinstance ofA 2020 study reported that ionizing radiation0.80text
as maintaining the state of qubits over a long period eventually corrupts the superpositions.These issues are more difficult for optical approaches as the timescales are orders of magnitude shorterinstance ofA 2020 study reported that ionizing radiation0.80text

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