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Quantum information science is a new field of science and
technology which requires the collaboration of researchers coming
from different fields of physics, mathematics, and engineering:
both theoretical and applied. Quantum Computing and Quantum Bits in
Mesoscopic Systems addresses fundamental aspects of quantum
physics, enhancing the connection between the quantum behavior of
macroscopic systems and information theory. In addition to
theoretical quantum physics, the book comprehensively explores
practical implementation of quantum computing and information
processing devices. On the experimental side, this book reports on
recent and previous observations of quantum behavior in several
physical systems, coherently coupled Bose-Einstein condensates,
quantum dots, superconducting quantum interference devices, Cooper
pair boxes, and electron pumps in the context of the Josephson
effect. In these systems, the book discusses all required steps,
from fabrication through characterization to the final basic
implementation for quantum computing.
Quantum information science is a new field of science and
technology which requires the collaboration of researchers coming
from different fields of physics, mathematics, and engineering:
both theoretical and applied. Quantum Computing and Quantum Bits in
Mesoscopic Systems addresses fundamental aspects of quantum
physics, enhancing the connection between the quantum behavior of
macroscopic systems and information theory. In addition to
theoretical quantum physics, the book comprehensively explores
practical implementation of quantum computing and information
processing devices.
On the experimental side, this book reports on recent and previous
observations of quantum behavior in several physical systems,
coherently coupled Bose-Einstein condensates, quantum dots,
superconducting quantum interference devices, Cooper pair boxes,
and electron pumps in the context of the Josephson effect. In these
systems, the book discusses all required steps, from fabrication
through characterization to the final basic implementation for
quantum computing.
Is the universe infinite, or does it have an edge beyond which
there is, quite literally, nothing? Do we live in the only possible
universe? Why does it have one time and three space dimensions - or
does it? What is it made of? What does it mean when we hear that a
new particle has been discovered? Will quantum mechanics eventually
break down and give way to a totally new description of the world,
one whose features we cannot even begin to imagine?
This book aims to give the non-specialist reader a general
overview of what physicists think they do and do not know in some
representative frontier areas of contemporary physics. After
sketching out the historical background, A. J. Leggett goes on to
discuss the current situation and some of the open problems of
cosmology, high-energy physics, and condensed-matter physics.
Unlike most other accounts, this book focuses not so much on recent
achievements as on the fundamental problems at the heart of the
subject, and emphasizes the provisional nature of our present
understanding of things.
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