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Quantum theory, the Church–Turing principle and the universal quantum computer

open access: yesProceedings of the Royal Society of London. A. Mathematical and Physical Sciences, 1985
It is argued that underlying the Church–Turing hypothesis there is an implicit physical assertion. Here, this assertion is presented explicitly as a physical principle: ‘every finitely realizible physical system can be perfectly simulated by a universal ...
D. Deutsch
semanticscholar   +1 more source

What is a quantum computer, and how do we build one? [PDF]

open access: yes, 2010
The DiVincenzo criteria for implementing a quantum computer have been seminal in focussing both experimental and theoretical research in quantum information processing.
Kok, Pieter, Perez-Delgado, Carlos A.
core   +1 more source

The quantum field as a quantum computer [PDF]

open access: yesPhysics Letters A, 2012
4 PRL-style pages with 4 eps ...
Giacomo Mauro DʼAriano   +1 more
openaire   +4 more sources

Nearest centroid classification on a trapped ion quantum computer [PDF]

open access: yesnpj Quantum Information, 2020
Quantum machine learning has seen considerable theoretical and practical developments in recent years and has become a promising area for finding real world applications of quantum computers.
S. Johri   +6 more
semanticscholar   +1 more source

Defects in Quantum Computers [PDF]

open access: yesScientific Reports, 2018
AbstractThe shift of interest from general purpose quantum computers to adiabatic quantum computing or quantum annealing calls for a broadly applicable and easy to implement test to assess how quantum or adiabatic is a specific hardware. Here we propose such a test based on an exactly solvable many body system–the quantum Ising chain in transverse ...
Gardas, Bartłomiej   +3 more
openaire   +6 more sources

Quantum computational supremacy [PDF]

open access: yesNature, 2017
review article originally appearing in a Nature Insight collection on "Quantum Software".
Harrow, Aram, Montanaro, Ashley
openaire   +7 more sources

Hybrid Quantum-Classical Approach to Correlated Materials

open access: yesPhysical Review X, 2016
Recent improvements in the control of quantum systems make it seem feasible to finally build a quantum computer within a decade. While it has been shown that such a quantum computer can in principle solve certain small electronic structure problems and ...
Bela Bauer   +4 more
doaj   +1 more source

Generation of High-Resolution Handwritten Digits with an Ion-Trap Quantum Computer [PDF]

open access: yesPhysical Review X, 2020
Generating high-quality data (e.g., images or video) is one of the most exciting and challenging frontiers in unsupervised machine learning. Utilizing quantum computers in such tasks to potentially enhance conventional machine learning algorithms has ...
Manuel S. Rudolph   +5 more
semanticscholar   +1 more source

Quantum Chaos Border for Quantum Computing [PDF]

open access: yes, 1999
We study a generic model of quantum computer, composed of many qubits coupled by short-range interaction. Above a critical interqubit coupling strength, quantum chaos sets in, leading to quantum ergodicity of the computer eigenstates.
A. Steane   +28 more
core   +2 more sources

QUANTUM HOLONOMIES FOR QUANTUM COMPUTING [PDF]

open access: yesInternational Journal of Modern Physics B, 2001
Holonomic Quantum Computation (HQC) is an all-geometrical approach to quantum information processing. In the HQC strategy information is encoded in degenerate eigen-spaces of a parametric family of Hamiltonians. The computational network of unitary quantum gates is realized by driving adiabatically the Hamiltonian parameters along loops in a control ...
Jiannis K. Pachos   +2 more
openaire   +3 more sources

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