Quantum Trajectories PDF Download
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Author | : Pratim Kumar Chattaraj |
Publisher | : CRC Press |
Total Pages | : 412 |
Release | : 2016-04-19 |
Genre | : Mathematics |
ISBN | : 1439825629 |
Download Quantum Trajectories Book in PDF, ePub and Kindle
The application of quantum mechanics to many-particle systems has been an active area of research in recent years as researchers have looked for ways to tackle difficult problems in this area. The quantum trajectory method provides an efficient computational technique for solving both stationary and time-evolving states, encompassing a large area o
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 | : Robert E. Wyatt |
Publisher | : Springer Science & Business Media |
Total Pages | : 425 |
Release | : 2006-05-28 |
Genre | : Mathematics |
ISBN | : 0387281452 |
Download Quantum Dynamics with Trajectories Book in PDF, ePub and Kindle
This is a rapidly developing field to which the author is a leading contributor New methods in quantum dynamics and computational techniques, with applications to interesting physical problems, are brought together in this book Useful to both students and researchers
Author | : Alberto Barchielli |
Publisher | : Springer |
Total Pages | : 331 |
Release | : 2009-07-11 |
Genre | : Science |
ISBN | : 3642012981 |
Download Quantum Trajectories and Measurements in Continuous Time Book in PDF, ePub and Kindle
Quantum trajectory theory is largely employed in theoretical quantum optics and quantum open system theory and is closely related to the conceptual formalism of quantum mechanics (quantum measurement theory). However, even research articles show that not all the features of the theory are well known or completely exploited. We wrote this monograph mainly for researchers in theoretical quantum optics and related ?elds with the aim of giving a self-contained and solid p- sentation of a part of quantum trajectory theory (the diffusive case) together with some signi?cant applications (mainly with purposes of illustration of the theory, but which in part have been recently developed). Another aim of the monograph is to introduce to this subject post-graduate or PhD students. To help them, in the most mathematical and conceptual chapters, summaries are given to ?x ideas. Moreover, as stochastic calculus is usually not in the background of the studies in physics, we added Appendix A to introduce these concepts. The book is written also for ma- ematicians with interests in quantum theories. Quantum trajectory theory is a piece of modern theoretical physics which needs an interplay of various mathematical subjects, such as functional analysis and probability theory (stochastic calculus), and offers to mathematicians a beautiful ?eld for applications, giving suggestions for new mathematical developments.
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 | : Ángel S. Sanz |
Publisher | : Springer |
Total Pages | : 345 |
Release | : 2013-09-13 |
Genre | : Science |
ISBN | : 3642179746 |
Download A Trajectory Description of Quantum Processes. II. Applications Book in PDF, ePub and Kindle
Trajectory-based formalisms are an intuitively appealing way of describing quantum processes because they allow the use of "classical" concepts. Beginning as an introductory level suitable for students, this two-volume monograph presents (1) the fundamentals and (2) the applications of the trajectory description of basic quantum processes. This second volume is focussed on simple and basic applications of quantum processes such as interference and diffraction of wave packets, tunneling, diffusion and bound-state and scattering problems. The corresponding analysis is carried out within the Bohmian framework. By stressing its interpretational aspects, the book leads the reader to an alternative and complementary way to better understand the underlying quantum dynamics.
Author | : Miguel Orszag |
Publisher | : Springer |
Total Pages | : 491 |
Release | : 2016-04-18 |
Genre | : Science |
ISBN | : 3319290371 |
Download Quantum Optics Book in PDF, ePub and Kindle
This new edition gives a unique and broad coverage of basic laser-related phenomena that allow graduate students, scientists and engineers to carry out research in quantum optics and laser physics. It covers quantization of the electromagnetic field, quantum theory of coherence, atom-field interaction models, resonance fluorescence, quantum theory of damping, laser theory using both the master equation and the Langevin theory, the correlated emission laser, input-output theory with applications to non-linear optics, quantum trajectories, quantum non-demolition measurements and generation of non-classical vibrational states of ions in a Paul trap. In this third edition, there is an enlarged chapter on trapped ions, as well as new sections on quantum computing and quantum bits with applications. There is also additional material included for quantum processing and entanglement. These topics are presented in a unified and didactic manner, each chapter is accompanied by specific problems and hints to solutions to deepen the knowledge.
Author | : Howard J. Carmichael |
Publisher | : Springer Science & Business Media |
Total Pages | : 551 |
Release | : 2007-10-23 |
Genre | : Science |
ISBN | : 3540713190 |
Download Statistical Methods in Quantum Optics 2 Book in PDF, ePub and Kindle
This second volume of Howard Carmichael’s work continues the development of the methods used in quantum optics to treat open quantum systems and their fluctuations. Its early chapters build upon the phase-space methods introduced in Volume 1. Written on a level suitable for debut researchers or students in an advanced course in quantum optics, or a course in quantum mechanics or statistical physics that deals with open quantum systems.
Author | : Miguel Orszag |
Publisher | : Springer Nature |
Total Pages | : 540 |
Release | : |
Genre | : |
ISBN | : 3031548531 |
Download Quantum Optics Book in PDF, ePub and Kindle
Author | : National Academies of Sciences, Engineering, and Medicine |
Publisher | : National Academies Press |
Total Pages | : 315 |
Release | : 2020-09-14 |
Genre | : Science |
ISBN | : 0309499542 |
Download Manipulating Quantum Systems Book in PDF, ePub and Kindle
The field of atomic, molecular, and optical (AMO) science underpins many technologies and continues to progress at an exciting pace for both scientific discoveries and technological innovations. AMO physics studies the fundamental building blocks of functioning matter to help advance the understanding of the universe. It is a foundational discipline within the physical sciences, relating to atoms and their constituents, to molecules, and to light at the quantum level. AMO physics combines fundamental research with practical application, coupling fundamental scientific discovery to rapidly evolving technological advances, innovation and commercialization. Due to the wide-reaching intellectual, societal, and economical impact of AMO, it is important to review recent advances and future opportunities in AMO physics. Manipulating Quantum Systems: An Assessment of Atomic, Molecular, and Optical Physics in the United States assesses opportunities in AMO science and technology over the coming decade. Key topics in this report include tools made of light; emerging phenomena from few- to many-body systems; the foundations of quantum information science and technologies; quantum dynamics in the time and frequency domains; precision and the nature of the universe, and the broader impact of AMO science.