High Fidelity Quantum Logic In Ca

Author: Christopher J. Ballance
Editor: Springer
ISBN: 3319682164
File Size: 59,95 MB
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This thesis describes experimental work in the field of trapped-ion quantum computation. It outlines the theory of Raman interactions, examines the various sources of error in two-qubit gates, and describes in detail experimental explorations of the sources of infidelity in implementations of single- and two-qubit gates. Lastly, it presents an experimental demonstration of a mixed-species entangling gate.

Quantum Communications And Quantum Imaging

Author: Ronald E. Meyers
Editor: Society of Photo Optical
ISBN: 9780819450340
File Size: 22,62 MB
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Proceedings of SPIE present the original research papers presented at SPIE conferences and other high-quality conferences in the broad-ranging fields of optics and photonics. These books provide prompt access to the latest innovations in research and technology in their respective fields. Proceedings of SPIE are among the most cited references in patent literature.

Optics Letters

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File Size: 32,53 MB
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Postconference Digest

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File Size: 59,94 MB
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Journal Of The Indian Institute Of Science

Author: Indian Institute of Science, Bangalore
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File Size: 48,42 MB
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Fast Gates And Mixed Species Entanglement With Trapped Ions

Author: Vera M. Schäfer
Editor: Springer Nature
ISBN: 3030402851
File Size: 11,87 MB
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Quantum logic gates are the crucial information-processing operation of quantumcomputers. Two crucial performance metrics for logic gates are their precision andspeed. Quantum processors based on trapped ions have always been the touchstonefor gate precision, but have suffered from slow speed relative to other quantum logicplatforms such as solid state systems. This thesis shows that it is possible to acceleratethe logic "clock speed" from kHz to MHz speeds, whilst maintaining a precision of99.8%. This is almost as high as the world record for conventional trapped-ion gates,but more than 20 times faster. It also demonstrates entanglement generation in atime (480ns) shorter than the natural timescale of the ions' motion in the trap, whichstarts to probe an interesting new regime of ion trap physics. In separate experiments, some of the first "mixed-species" quantum logic gates areperformed, both between two different elements, and between different isotopes.The mixed-isotope gate is used to make the first test of the quantum-mechanical Bellinequality between two different species of isolated atoms.

Conference Digest

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Nature

Author: Sir Norman Lockyer
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File Size: 79,54 MB
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Atomic Physics

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File Size: 41,29 MB
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Quantum Information Computation

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File Size: 56,16 MB
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Mathematical Reviews

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Application Fidelity As A Systems Tradeoff

Author: Darshan Devendra Thaker
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File Size: 75,66 MB
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Problems And Solutions In Quantum Computing And Quantum Information

Author: Willi-Hans Steeb
Editor: World Scientific
ISBN: 9812567402
File Size: 13,98 MB
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CONTENIDO: Finite-dimensional Hilbert Spaces - Qubits - Kronecker product and tensor product - Matrix properties - Density operators - Partial trace - Unitary transforms and quantum gates - Entropy - Measurement - Entanglement - Bell inequality - Teleportation - Cloning - Quantum algorithms - Quantum error correction - Quantum cryptography - Infinite-dimensional Hilbert Spaces - Harmonic oscillator and Bose operators - Coherent states - Squeezed states - Entanglement - Swapping and cloning - Hamilton operators.

Experimental Aspects Of Quantum Computing

Author: Henry O. Everitt
Editor: Springer Science & Business Media
ISBN: 0387277323
File Size: 11,94 MB
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Practical quantum computing still seems more than a decade away, and researchers have not even identified what the best physical implementation of a quantum bit will be. There is a real need in the scientific literature for a dialogue on the topic of lessons learned and looming roadblocks. This reprint from Quantum Information Processing is dedicated to the experimental aspects of quantum computing and includes articles that 1) highlight the lessons learned over the last 10 years, and 2) outline the challenges over the next 10 years. The special issue includes a series of invited articles that discuss the most promising physical implementations of quantum computing. The invited articles were to draw grand conclusions about the past and speculate about the future, not just report results from the present.

High Fidelity

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Theoretical Issues In Quantum Information Technologies

Author: Kenneth Ray Brown
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File Size: 42,52 MB
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Decoherence Entanglement And Information Protection In Complex Quantum Systems

Author: Vladimir M. Akulin
Editor: Springer Science & Business Media
ISBN: 1402032838
File Size: 10,67 MB
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This book is a collection of articles on the contemporary status of quantum mechanics, dedicated to the fundamental issues of entanglement, decoherence, irreversibility, information processing, and control of quantum evolution, with a view of possible applications. It has multidisciplinary character and is addressed at a broad readership in physics, computer science, chemistry, and electrical engineering. It is written by the world-leading experts in pertinent fields such as quantum computing, atomic, molecular and optical physics, condensed matter physics, and statistical physics.

Directory Of Graduate Research

Author: American Chemical Society. Committee on Professional Training
Editor:
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File Size: 39,32 MB
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Faculties, publications and doctoral theses in departments or divisions of chemistry, chemical engineering, biochemistry and pharmaceutical and/or medicinal chemistry at universities in the United States and Canada.

U S Government Research Development Reports

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Self Assembled Quantum Dots

Author: Zhiming M Wang
Editor: Springer Science & Business Media
ISBN: 0387741917
File Size: 67,80 MB
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This multidisciplinary book provides up-to-date coverage of carrier and spin dynamics and energy transfer and structural interaction among nanostructures. Coverage also includes current device applications such as quantum dot lasers and detectors, as well as future applications to quantum information processing. The book will serve as a reference for anyone working with or planning to work with quantum dots.