Scalable Microchip Ion Traps For Quantum Computation
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Scalable Microchip Ion Traps For Quantum Computation
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Author : Stephan Schulz
language : en
Publisher: Lulu.com
Release Date : 2010-09-13
Scalable Microchip Ion Traps For Quantum Computation written by Stephan Schulz and has been published by Lulu.com this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-09-13 with Science categories.
The development of scalable microfabricated ion traps with multiple segments for the realization of quantum computing is a challenging task in quantum information science. The research on the design, development, fabrication, and operation of the first European micro-trap is shown in this thesis. This chip-based micro-trap is an outstanding candidate towards experiments for a future quantum processor with trapped single ions. In the experiments coherent quantum state manipulation is demonstrated, and sideband cooling to the motional ground state is realized. The heating rate is determined and the applicability for quantum computation is proven. Furthermore planar trap designs are investigated - a planar microparticle trap was built and operated. A linear microfabricated planar trap was operated, showing the proof of concept of a novel designed and fabricated Y-shaped planar trap.
Scalable Quantum Computers
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Author : Samuel L. Braunstein
language : en
Publisher: Wiley-VCH
Release Date : 2001-03-12
Scalable Quantum Computers written by Samuel L. Braunstein and has been published by Wiley-VCH this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001-03-12 with Science categories.
Quantum computers hold the promise of solving problems that would otherwise be intractable with conventional computers. Some prototypes of the simplest elements needed to build a quantum computer have already been implemented in the laboratory. The efforts now concentrate on combining these elements into scalable systems. In addition, alternative routes to creating large scale quantum computers are continuously being developed. This volume gives a cross-section of recent achievements in both the theory and the practical realization of quantum computing devices. Samuel L. Braunstein (Reader, University of Wales, Bangor, and editor of the book "Quantum Computing - Where do we want to go tomorrow") and Hoi-Kwong Lo (Chief Scientist, MagiQ Technologies, Inc., NY) invited experts across many disciplines involved in the development of quantum computers to review their proposals in a manner accessible to the non-expert. Breaking with tradition, this book not only contains proposals, but a set of independent expert evaluations of these ideas as well. As a by-product this volume facilitates a comparison between the widely varying disciplines covered, including: ion traps, cavity quantum electrodynamics, nuclear magnetic resonance, optical lattices, quantum dots, silicon systems, superconductivity and electrons on helium.
Quantum Information And Coherence
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Author : Erika Andersson
language : en
Publisher: Springer
Release Date : 2014-07-08
Quantum Information And Coherence written by Erika Andersson and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-07-08 with Computers categories.
This book offers an introduction to ten key topics in quantum information science and quantum coherent phenomena, aimed at graduate-student level. The chapters cover some of the most recent developments in this dynamic research field where theoretical and experimental physics, combined with computer science, provide a fascinating arena for groundbreaking new concepts in information processing. The book addresses both the theoretical and experimental aspects of the subject, and clearly demonstrates how progress in experimental techniques has stimulated a great deal of theoretical effort and vice versa. Experiments are shifting from simply preparing and measuring quantum states to controlling and manipulating them, and the book outlines how the first real applications, notably quantum key distribution for secure communication, are starting to emerge. The chapters cover quantum retrodiction, ultracold quantum gases in optical lattices, optomechanics, quantum algorithms, quantum key distribution, quantum control based on measurement, orbital angular momentum of light, entanglement theory, trapped ions and quantum metrology, and open quantum systems subject to decoherence. The contributing authors have been chosen not just on the basis of their scientific expertise, but also because of their ability to offer pedagogical and well-written contributions which will be of interest to students and established researchers.
Towards A Scalable Quantum Computing Platform In The Ultrastrong Coupling Regime
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Author : Thi Ha Kyaw
language : en
Publisher: Springer
Release Date : 2019-06-04
Towards A Scalable Quantum Computing Platform In The Ultrastrong Coupling Regime written by Thi Ha Kyaw and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-06-04 with Computers categories.
This thesis devotes three introductory chapters to outlining basic recipes for constructing the quantum Hamiltonian of an arbitrary superconducting circuit, starting from classical circuit design. Since a superconducting circuit is one of the most promising platforms for realizing a practical quantum computer, anyone who is starting out in the field will benefit greatly from this introduction. The second focus of the introduction is the ultrastrong light-matter interaction (USC), where the latest developments are described. This is followed by three main research works comprising quantum memory in USC; scaling up the 1D circuit to a 2D lattice configuration; creation of Noisy Intermediate-Scale Quantum era quantum error correction codes and polariton-mediated qubit-qubit interaction. The research work detailed in this thesis will make a major contribution to the development of quantum random access memory, a prerequisite for various quantum machine learning algorithms and applications.
Introduction To Quantum Computers
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Author : Gennady P. Berman
language : en
Publisher: World Scientific
Release Date : 1998
Introduction To Quantum Computers written by Gennady P. Berman and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Computers categories.
Quantum computing promises to solve problems which are intractable on digital computers. Highly parallel quantum algorithms can decrease the computational time for some problems by many orders of magnitude. This important book explains how quantum computers can do these amazing things. Several algorithms are illustrated: the discrete Fourier transform, Shor's algorithm for prime factorization; algorithms for quantum logic gates; physical implementations of quantum logic gates in ion traps and in spin chains; the simplest schemes for quantum error correction; correction of errors caused by imperfect resonant pulses; correction of errors caused by the nonresonant actions of a pulse; and numerical simulations of dynamical behavior of the quantum Control-Not gate. An overview of some basic elements of computer science is presented, including the Turing machine, Boolean algebra, and logic gates. The required quantum ideas are explained.
Fast Gates And Mixed Species Entanglement With Trapped Ions
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Author : Vera M. Schäfer
language : en
Publisher: Springer Nature
Release Date : 2020-03-04
Fast Gates And Mixed Species Entanglement With Trapped Ions written by Vera M. Schäfer and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-03-04 with Computers categories.
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.
Ultracold Gases And Quantum Information
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Author : Christian Miniatura
language : en
Publisher: Oxford University Press
Release Date : 2011-05-05
Ultracold Gases And Quantum Information written by Christian Miniatura and has been published by Oxford University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-05-05 with Science categories.
Since 1951, the prestigious Les Houches summer school has given rigorous graduate programmes in France. In July 2009, the first Les Houches school outside Europe took place in Singapore. This volume gathers the lectures conducted at the four-week school, focused on two exciting key topics: quantum information science and ultracold atomic physics.
Minds Machines And The Multiverse
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Author : Julian Brown
language : en
Publisher: Simon and Schuster
Release Date : 2002-04-05
Minds Machines And The Multiverse written by Julian Brown and has been published by Simon and Schuster this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002-04-05 with Computers categories.
The imminent arrival of the quantum computer, millions of times faster than today's computers, promises to launch a scientific gold rush of the new millennium. After consulting with both the computer's debunkers and the leading minds behind the breakthrough, Brown explains the quantum computer's development thus far.
Quantum Information Processing With Two Trapped Cadmium Ions
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Author : Patricia J. Lee
language : en
Publisher:
Release Date : 2006
Quantum Information Processing With Two Trapped Cadmium Ions written by Patricia J. Lee and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.
Computing With Quantum Cats
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Author : John Gribbin
language : en
Publisher: Rowman & Littlefield
Release Date : 2023-01-15
Computing With Quantum Cats written by John Gribbin and has been published by Rowman & Littlefield this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-01-15 with Science categories.
The quantum computer is no longer the stuff of science fiction. Pioneering physicists are on the brink of unlocking a new quantum universe which provides a better representation of reality than our everyday experiences and common sense ever could. The birth of quantum computers - which, like Schrödinger's famous "dead and alive" cat, rely on entities like electrons, photons, or atoms existing in two states at the same time - is set to turn the computing world on its head. In his fascinating study of this cutting-edge technology, and featuring a new introduction, John Gribbin explores the nature of quantum reality, arguing for a universe of many parallel worlds where "everything is real." Looking back to Alan Turing's work on the Enigma machine and the first electronic computer, Gribbin explains how quantum theory developed to make quantum computers work in practice as well as in principle. He takes us beyond the arena of theoretical physics to explore their practical applications - from machines which learn through "intuition" and trial and error to unhackable laptops and smartphones. And he investigates the potential for this extraordinary science to create a world where communication occurs faster than light and teleportation is possible. This is an exciting insider's look at the new frontier of computer science and its revolutionary implications.