Quantum Measurement And Control PDF Download
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Author | : Howard M. Wiseman |
Publisher | : Cambridge University Press |
Total Pages | : 477 |
Release | : 2010 |
Genre | : Mathematics |
ISBN | : 0521804426 |
Download Quantum Measurement and Control Book in PDF, ePub and Kindle
Modern quantum measurement for graduate students and researchers in quantum information, quantum metrology, quantum control and related fields.
Author | : Kurt Jacobs |
Publisher | : Cambridge University Press |
Total Pages | : 982 |
Release | : 2014-08-14 |
Genre | : Science |
ISBN | : 1139992198 |
Download Quantum Measurement Theory and its Applications Book in PDF, ePub and Kindle
Recent experimental advances in the control of quantum superconducting circuits, nano-mechanical resonators and photonic crystals has meant that quantum measurement theory is now an indispensable part of the modelling and design of experimental technologies. This book, aimed at graduate students and researchers in physics, gives a thorough introduction to the basic theory of quantum measurement and many of its important modern applications. Measurement and control is explicitly treated in superconducting circuits and optical and opto-mechanical systems, and methods for deriving the Hamiltonians of superconducting circuits are introduced in detail. Further applications covered include feedback control, metrology, open systems and thermal environments, Maxwell's demon, and the quantum-to-classical transition.
Author | : Domenico D’Alessandro |
Publisher | : CRC Press |
Total Pages | : 372 |
Release | : 2021-07-28 |
Genre | : Mathematics |
ISBN | : 1000395057 |
Download Introduction to Quantum Control and Dynamics Book in PDF, ePub and Kindle
The introduction of control theory in quantum mechanics has created a rich, new interdisciplinary scientific field, which is producing novel insight into important theoretical questions at the heart of quantum physics. Exploring this emerging subject, Introduction to Quantum Control and Dynamics presents the mathematical concepts and fundamental physics behind the analysis and control of quantum dynamics, emphasizing the application of Lie algebra and Lie group theory. To advantage students, instructors and practitioners, and since the field is highly interdisciplinary, this book presents an introduction with all the basic notions in the same place. The field has seen a large development in parallel with the neighboring fields of quantum information, computation and communication. The author has maintained an introductory level to encourage course use. After introducing the basics of quantum mechanics, the book derives a class of models for quantum control systems from fundamental physics. It examines the controllability and observability of quantum systems and the related problem of quantum state determination and measurement. The author also uses Lie group decompositions as tools to analyze dynamics and to design control algorithms. In addition, he describes various other control methods and discusses topics in quantum information theory that include entanglement and entanglement dynamics. Changes to the New Edition: New Chapter 4: Uncontrollable Systems and Dynamical Decomposition New section on quantum control landscapes A brief discussion of the experiments that earned the 2012 Nobel Prize in Physics Corrections and revised concepts are made to improve accuracy Armed with the basics of quantum control and dynamics, readers will invariably use this interdisciplinary knowledge in their mathematics, physics and engineering work.
Author | : Michel Devoret |
Publisher | : Oxford University Press, USA |
Total Pages | : 601 |
Release | : 2014 |
Genre | : Science |
ISBN | : 019968118X |
Download Quantum Machines Book in PDF, ePub and Kindle
What is a quantum machine? Can we say that lasers and transistors are quantum machines? After all, physicists advertise these devices as the two main spin-offs of the understanding of quantum physics. In a true quantum machine, the signal collective variables must themselves be treated as quantum operators. Other engineered quantum systems based on natural, rather than artificial, degrees of freedom can also qualify as quantum machines. This book provides the basic knowledge needed to understand and investigate the physics of these novel systems.
Author | : H. Ezawa |
Publisher | : Elsevier |
Total Pages | : 342 |
Release | : 1993-06-04 |
Genre | : Science |
ISBN | : 0444599150 |
Download Quantum Control and Measurement Book in PDF, ePub and Kindle
This book presents the latest results in the most fundamental field of quantum state preparation and control. At this unique conference researchers, both from the academic and industrial world, presented their work. A variety of crucial experiments under controlled, novel conditions, and theoretical checks from novel points of view are reported. Highlighted are new schemes for quantum interference, single particle behaviour, gravitational waves, electron holography and semiconductor microlasers. Containing all the recent results available in the field, this volume points the direction for further experimental and theoretical work in the foundations of physics.
Author | : Howard M. Wiseman |
Publisher | : Cambridge University Press |
Total Pages | : |
Release | : 2009-11-12 |
Genre | : Science |
ISBN | : 1139482912 |
Download Quantum Measurement and Control Book in PDF, ePub and Kindle
The control of individual quantum systems promises a new technology for the 21st century - quantum technology. This book is the first comprehensive treatment of modern quantum measurement and measurement-based quantum control, which are vital elements for realizing quantum technology. Readers are introduced to key experiments and technologies through dozens of recent experiments in cavity QED, quantum optics, mesoscopic electronics, and trapped particles several of which are analysed in detail. Nearly 300 exercises help build understanding, and prepare readers for research in these exciting areas. This important book will interest graduate students and researchers in quantum information, quantum metrology, quantum control and related fields. Novel topics covered include adaptive measurement; realistic detector models; mesoscopic current detection; Markovian, state-based and optimal feedback; and applications to quantum information processing.
Author | : Vivishek Sudhir |
Publisher | : Springer |
Total Pages | : 214 |
Release | : 2017-11-21 |
Genre | : Science |
ISBN | : 3319694316 |
Download Quantum Limits on Measurement and Control of a Mechanical Oscillator Book in PDF, ePub and Kindle
This thesis reports on experiments in which the motion of a mechanical oscillator is measured with unprecedented precision. The position fluctuations of the oscillator—a glass nanostring—are measured with an imprecision that is sufficient to resolve its quantum zero-point motion within its thermal decoherence time. The concomitant observation of measurement back-action, in accordance with Heisenberg’s uncertainty principle, verifies the principles of linear quantum measurements on a macroscopic mechanical object. The record of the measurement is used to perform feedback control so as to suppress both classical thermal motion and quantum measurement back-action. These results verify some of the central and long-standing predictions of quantum measurement theory applied to a macroscopic object. The act of measurement not only perturbs the subject of the measurement—the mechanical oscillator—but also changes the state of the light used to make the measurement. This prediction is verified by demonstrating that the optical field, after having interacted with the mechanical oscillator, contains quantum correlations that render its quadrature fluctuations smaller than those of the vacuum – i.e., the light is squeezed. Lastly, the thesis reports on some of the first feedback control experiments involving macroscopic objects in the quantum regime, together with an exploration of the quantum limit of feedback control. The book offers a pedagogical account of linear measurement theory, its realization via optical interferometry, and contains a detailed guide to precision optical interferometry..
Author | : Alberto Barchielli |
Publisher | : Springer Science & Business Media |
Total Pages | : 331 |
Release | : 2009-07-21 |
Genre | : Mathematics |
ISBN | : 3642012973 |
Download Quantum Trajectories and Measurements in Continuous Time Book in PDF, ePub and Kindle
This course-based monograph introduces the reader to the theory of continuous measurements in quantum mechanics and provides some benchmark applications. The approach chosen, quantum trajectory theory, is based on the stochastic Schrödinger and master equations, which determine the evolution of the a-posteriori state of a continuously observed quantum system and give the distribution of the measurement output. The present introduction is restricted to finite-dimensional quantum systems and diffusive outputs. Two appendices introduce the tools of probability theory and quantum measurement theory which are needed for the theoretical developments in the first part of the book. First, the basic equations of quantum trajectory theory are introduced, with all their mathematical properties, starting from the existence and uniqueness of their solutions. This makes the text also suitable for other applications of the same stochastic differential equations in different fields such as simulations of master equations or dynamical reduction theories. In the next step the equivalence between the stochastic approach and the theory of continuous measurements is demonstrated. To conclude the theoretical exposition, the properties of the output of the continuous measurement are analyzed in detail. This is a stochastic process with its own distribution, and the reader will learn how to compute physical quantities such as its moments and its spectrum. In particular this last concept is introduced with clear and explicit reference to the measurement process. The two-level atom is used as the basic prototype to illustrate the theory in a concrete application. Quantum phenomena appearing in the spectrum of the fluorescence light, such as Mollow’s triplet structure, squeezing of the fluorescence light, and the linewidth narrowing, are presented. Last but not least, the theory of quantum continuous measurements is the natural starting point to develop a feedback control theory in continuous time for quantum systems. The two-level atom is again used to introduce and study an example of feedback based on the observed output.
Author | : Domenico D'Alessandro |
Publisher | : CRC Press |
Total Pages | : 360 |
Release | : 2007-08-03 |
Genre | : Science |
ISBN | : 9781584888833 |
Download Introduction to Quantum Control and Dynamics Book in PDF, ePub and Kindle
The introduction of control theory in quantum mechanics has created a rich, new interdisciplinary scientific field, which is producing novel insight into important theoretical questions at the heart of quantum physics. Exploring this emerging subject, Introduction to Quantum Control and Dynamics presents the mathematical concepts and fundamental physics behind the analysis and control of quantum dynamics, emphasizing the application of Lie algebra and Lie group theory. After introducing the basics of quantum mechanics, the book derives a class of models for quantum control systems from fundamental physics. It examines the controllability and observability of quantum systems and the related problem of quantum state determination and measurement. The author also uses Lie group decompositions as tools to analyze dynamics and to design control algorithms. In addition, he describes various other control methods and discusses topics in quantum information theory that include entanglement and entanglement dynamics. The final chapter covers the implementation of quantum control and dynamics in several fields. Armed with the basics of quantum control and dynamics, readers will invariably use this interdisciplinary knowledge in their mathematical, physics, and engineering work.
Author | : Luca Chirolli |
Publisher | : |
Total Pages | : 0 |
Release | : 2010 |
Genre | : |
ISBN | : |
Download Quantum Control and Quantum Measurement in Solid State Qubits Book in PDF, ePub and Kindle