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, John Gribbin updates his previous views on 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.
Quantum Theory: A Crash Course teaches you everything you need to know about this complex subject, breaking it down into 52 digestible topics. The book is divided into four chapters, covering various aspects of the theory: Its foundations and principles Its probabalistic nature and concepts The wide range of scientific interpretations Its practical applications in our lives Each chapter contains an overview, timeline and four biographies, followed by thirteen illustrated topics, each broken down into microscopic chunks. 'The Main Concept' explains the main concept of the subject, while 'Drill-Down' provides further detail or a different angle to enhance understanding. Finally, 'Matter' provides a fascinating or unusual fact. This is the perfect crash course for budding quantum theorists.
This book provides a step-by-step guide to teaching computing at secondary level. It offers an entire framework for planning and delivering the curriculum and shows you how to create a supportive environment for students in which all can enjoy computing. The focus throughout is on giving students the opportunity to think, program, build and create with confidence and imagination, transforming them from users to creators of technology. In each chapter, detailed research and teaching theory is combined with resources to aid the practitioner, including case studies, planning templates and schemes of work that can be easily adapted. The book is split into three key parts: planning, delivery, and leadership and management, and covers topics such as: curriculum and assessment design lesson planning cognitive science behind learning computing pedagogy and instructional principles mastery learning in computing how to develop students’ computational thinking supporting students with special educational needs and disabilities encouraging more girls to study computing actions, habits and routines of effective computing teachers behaviour management and developing a strong classroom culture how to support and lead members of your team. Teaching Computing in Secondary Schools is essential reading for trainee and practising teachers, and will prove to be an invaluable resource in helping teaching professionals ensure that students acquire a wide range of computing skills which will support them in whatever career they choose.
Quantum computers will revolutionize the way telecommunications networks function. Quantum computing holds the promise of solving problems that would be intractable with conventional computers by implementing principles from quantum physics in the development of computer hardware, software and communications equipment. Quantum-assisted computing will be the first step towards full quantum systems, and will cause immense disruption of our traditional networks. The world’s biggest manufacturers are investing large amounts of resources to develop crucial quantum-assisted circuits and devices. Quantum Computing and Communications: Gives an overview of basic quantum computing algorithms and their enhanced versions such as efficient database searching, counting and phase estimation. Introduces quantum-assisted solutions for telecom problems including multi-user detection in mobile systems, routing in IP based networks, and secure ciphering key distribution. Includes an accompanying website featuring exercises (with solution manual) and sample algorithms from the classical telecom world, corresponding quantum-based solutions, bridging the gap between pure theory and engineering practice. This book provides telecommunications engineers, as well as graduate students and researchers in the fields of computer science and telecommunications, with a wide overview of quantum computing & communications and a wealth of essential, practical information.
Decoherence is the physical process by which the classical world - the world of common sense - emerges from its quantum underpinnings. This physical process refers to the loss of phase coherence between the parts of a quantum system, because of the interaction of the system with the environment.
Physics, once known as "natural philosophy," is the most basic science, explaining the world we live in, from the largest scale down to the very, very, very smallest, and our understanding of it has changed over many centuries. In Black Bodies and Quantum Cats, science writer Jennifer Ouellette traces key developments in the field, setting descriptions of the fundamentals of physics in their historical context as well as against a broad cultural backdrop. Newton’s laws are illustrated via the film Addams Family Values, while Back to the Future demonstrates the finer points of special relativity. Poe’s "The Purloined Letter" serves to illuminate the mysterious nature of neutrinos, and Jeanette Winterson’s novel Gut Symmetries provides an elegant metaphorical framework for string theory. An enchanting and edifying read, Black Bodies and Quantum Cats shows that physics is not an arcane field of study but a profoundly human endeavor—and a fundamental part of our everyday world.
One major goal of this book is to establish connections between the communities of quantum optics and of quantum electronic devices working in the area of quantum computing. When two communities share the same goals, the universality of physics unavoidably leads to similar developments. However, the communication barrier is often high, and few physicists are able to overcome it. This school has contributed to bridge the existing gap between communities, for the benefit of the future actors in the field of quantum computing. The book thus combines introductory chapters, providing the reader with a sufficiently wide theoretical framework in quantum information, quantum optics and quantum circuits physics, with more specialized presentations of recent theoretical and experimental advances in the field. This structure makes the book accessible to any graduate student having a good knowledge of basic quantum mechanics, and extremely useful to researchers.-
The fastest way to understanding quantum physics - learn about how our universe works, in minutes. Quantum physics is the most fundamental, but also the most bewildering, of sciences. Allowing for simultaneously dead-and-alive cats, teleportation, antimatter and parallel universes, it also underpins all digital technology and even life itself. But at last it's possible through this clear and compact book, illuminated with 200 simple diagrams for anyone to understand the strange and beautiful subatomic world, and hence the nature of reality itself. Contents include: inside the atom, the Higgs boson, Heisenberg's uncertainty principle, Schrödinger's cat, relativity, dark energy and matter, black holes, God playing dice, the Theory of Everything, the birth and fate of the Universe, string theory, quantum computing, superconductivity, quantum biology and consciousness, and much more.
This detailed, accessible introduction to the field of quantum decoherence reviews the basics and then explains the essential consequences of the phenomenon for our understanding of the world. The discussion includes, among other things: How the classical world of our experience can emerge from quantum mechanics; the implications of decoherence for various interpretations of quantum mechanics; recent experiments confirming the puzzling consequences of the quantum superposition principle and making decoherence processes directly observable.