Lectures on Quantum Information 1st Edition by Dagmar Bruss (PDF)

Description

Quantum Information Processing is a young and rapidly growing field of research at the intersection of physics, mathematics, and computer science. Its ultimate goal is to harness quantum physics to conceive — and ultimately build — “quantum” computers that would dramatically overtake the capabilities of today’s “classical” computers. One example of the power of a quantum computer is its ability to efficiently find the prime factors of a larger integer, thus shaking the supposedly secure foundations of standard encryption schemes. This comprehensive textbook on the rapidly advancing field introduces readers to the fundamental concepts of information theory and quantum entanglement, taking into account the current state of research and development. It thus covers all current concepts in quantum computing, both theoretical and experimental, before moving on to the latest implementations of quantum computing and communication protocols. With its series of exercises, this is ideal reading for students and lecturers in physics and informatics, as well as experimental and theoretical physicists, and physicists in industry.

User’s Reviews

Editorial Reviews: From the Back Cover Quantum Information Processing is a young and rapidly growing field of research at the intersection of physics, mathematics, and computer science. Its ultimate goal is to harness quantum physics to conceive — and ultimately build — “quantum” computers that would dramatically overtake the capabilities of today’s “classical” computers. One example of the power of a quantum computer is its ability to efficiently find the prime factors of a larger integer, thus shaking the supposedly secure foundations of standard encryption schemes. This comprehensive textbook on the rapidly advancing field introduces readers to the fundamental concepts of information theory and quantum entanglement, taking into account the current state of research and development. It thus covers all current concepts in quantum computing, both theoretical and experimental, before moving on to the latest implementations of quantum computing and communication protocols. With its series of exercises, this is ideal reading for students and lecturers in physics and informatics, as well as experimental and theoretical physicists, and physicists in industry. Dagmar Bruß graduated at RWTH University Aachen, Germany, and received her PhD in theoretical particle physics from the University of Heidelberg in 1994. As a research fellow at the University of Oxford she started to work in quantum information theory. Another fellowship at ISI Torino, Italy, followed. While being a research assistant at the University of Hannover she completed her habilitation. Since 2004 Professor Bruß has been holding a chair at the Institute of Theoretical Physics at the Heinrich-Heine-University Düsseldorf, Germany. Gerd Leuchs studied physics and mathematics at the University of Cologne, Germany, and received his Ph.D. in 1978. After two research visits at the University of Colorado in Boulder, USA, he headed the German gravitational wave detection group from 1985 to 1989. He became technical director at Nanomach AG in Switzerland. Since 1994 Professor Leuchs has been holding the chair for optics at the Friedrich-Alexander-University of Erlangen-Nuremberg, Germany. His fields of research span the range from modern aspects of classical optics to quantum optics and quantum information. Since 2003 he has been Director of the Max Planck Research Group for Optics, Information and Photonics at Erlangen. About the Author Dagmar Bruß graduated at RWTH University Aachen, Germany, and received her PhD in theoretical particle physics from the University of Heidelberg in 1994. As a research fellow at the University of Oxford she started to work in quantum information theory. Another fellowship at ISI Torino, Italy, followed. While being a research assistant at the University of Hannover she completed her habilitation. Since 2004 Professor Bruß has been holding a chair at the Institute of Theoretical Physics at the Heinrich-Heine-University Düsseldorf, Germany. Gerd Leuchs studied physics and mathematics at the University of Cologne, Germany, and received his Ph.D. in 1978. After two research visits at the University of Colorado in Boulder, USA, he headed the German gravitational wave detection group from 1985 to 1989. He became technical director at Nanomach AG in Switzerland. Since 1994 Professor Leuchs has been holding the chair for optics at the Friedrich-Alexander-University of Erlangen-Nuremberg, Germany. His fields of research span the range from modern aspects of classical optics to quantum optics and quantum information. Since 2003 he has been Director of the Max Planck Research Group for Optics, Information and Photonics at Erlangen.

Reviews from Amazon users which were colected at the time this book was published on the website:

⭐Over the years I have often read of gedanken experiments, such as that proposed by Einstein, Podolsky, and Rosen (EPR), which address the issue of quantum entanglement. That is, if a quantum particle is “split,” to what degree do its components continue to be entangled or correlated? As an outsider to the professional world of those who investigate such phenomena, I am confused as to which gedanken experiments are realizable, and which are not. I have delved into this book in hope of reading about the results of such actual experiments and their interpretation, thereby finding an intellectual touchstone from which to embark on further study. I should say that I am indeed reasonably satisfied with this book as a place from which to begin my study of quantum entanglement.This book differs from both textbooks and other conference volumes or collections of papers that address specialized topics in science and engineering. This volume was largely generated by a conference on quantum information that took place in Bonn Germany in 2000. Seven years later, the lectures from this conference were published as this volume. The way that this book differs from other such collections of conference papers is that they are sequenced in a hierarchical manner, so that if the reader reads the book from the first page to the last he should be able to sequentially glean most of the information that he needs from Chapter N to be able to understand Chapter N+1–much like in reading a textbook. That said, this volume is quite deep and the understanding of certain concepts by the reader (such as “quantum squeezing”) are assumed by the authors. With a little outside reading, however, I believe that most Ph.D. level researchers who deal with wave and quantum mechanics in their professional research should be able to understand most of what is contained in this volume with the help of a manageable number of outside references–especially those cited by the papers in this volume.Of particular interest to me is Chapter 16, “Quantum Communication Experiments with Discrete Variables” (pp.285-296) authored by Harald Weinfurter. Here he describes the first quantum cryptography experiment by Bennett and co-workers at IBM’s flagship research laboratory at Yorktown Heights, as well as more recent quantum communications experiments conducted at University of Geneva and elsewhere. These optical communications experiments deal with such issues as the ability of correspondents “Bob” and “Alice” to verify whether a nosy “Aunt Martha” is eavesdropping on their intimate tete a tete!

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