Journal ArticleDOI
A one-way quantum computer.
TLDR
A scheme of quantum computation that consists entirely of one-qubit measurements on a particular class of entangled states, the cluster states, which are thus one-way quantum computers and the measurements form the program.Abstract:
We present a scheme of quantum computation that consists entirely of one-qubit measurements on a particular class of entangled states, the cluster states. The measurements are used to imprint a quantum logic circuit on the state, thereby destroying its entanglement at the same time. Cluster states are thus one-way quantum computers and the measurements form the program.read more
Citations
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Virtual-photon-induced quantum phase gates for two distant atoms trapped in separate cavities
TL;DR: In this article, the authors propose a scheme for implementing quantum gates for two atoms trapped in distant cavities connected by an optical fiber, without excitation and transportation of photons through the optical fiber.
Journal ArticleDOI
Entanglement in a 20-Qubit Superconducting Quantum Computer.
TL;DR: In this paper, the authors investigated the extent to which entanglement is found within a prepared graph state on the 20-qubit superconducting quantum computer IBM Q Poughkeepsie.
Journal ArticleDOI
Quantum networking with photons and trapped atoms (Invited)
D. L. Moehring,M. J. Madsen,Kelly C. Younge,R. N. Kohn,Peter Maunz,Luming Duan,Christopher Monroe,Boris Blinov +7 more
TL;DR: In this article, the theoretical and experimental combination of these two systems and their use for not only quantum information transfer but also scalable quantum computation architectures is discussed. But the experimental results are limited.
Journal ArticleDOI
Exploring multipartite quantum correlations with the square of quantum discord
TL;DR: In this paper, the quantum correlation distribution in multipartite quantum states based on the square of quantum discord (SQD) was explored and the necessary and sufficient condition for the SQD to satisfy the monogamy relation was derived.
Journal ArticleDOI
Space-compatible cavity-enhanced single-photon generation with hexagonal boron nitride
TL;DR: In this article, the authors integrated a single-photon source hosted by hexagonal boron nitride (hBN) into a tunable optical microcavity.
References
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Journal ArticleDOI
Elementary gates for quantum computation.
Adriano Barenco,Charles H. Bennett,Richard Cleve,David P. DiVincenzo,Norman Margolus,Peter W. Shor,Tycho Sleator,John A. Smolin,Harald Weinfurter +8 more
TL;DR: U(2) gates are derived, which derive upper and lower bounds on the exact number of elementary gates required to build up a variety of two- and three-bit quantum gates, the asymptotic number required for n-bit Deutsch-Toffoli gates, and make some observations about the number of unitary operations on arbitrarily many bits.
Journal ArticleDOI
Quantum information and computation
TL;DR: In information processing, as in physics, the classical world view provides an incomplete approximation to an underlying quantum reality that can be harnessed to break codes, create unbreakable codes, and speed up otherwise intractable computations.
Journal ArticleDOI
Good quantum error-correcting codes exist
A. R. Calderbank,Peter W. Shor +1 more
TL;DR: The techniques investigated in this paper can be extended so as to reduce the accuracy required for factorization of numbers large enough to be difficult on conventional computers appears to be closer to one part in billions.
Journal ArticleDOI
Error Correcting Codes in Quantum Theory.
TL;DR: It is shown that a pair of states which are, in a certain sense, “macroscopically different,” can form a superposition in which the interference phase between the two parts is measurable, providing a highly stabilized “Schrodinger cat” state.
Journal ArticleDOI
Demonstrating the viability of universal quantum computation using teleportation and single-qubit operations
TL;DR: It is shown that single quantum bit operations, Bell-basis measurements and certain entangled quantum states such as Greenberger–Horne–Zeilinger (GHZ) states are sufficient to construct a universal quantum computer.