William T Coffey's Books

Thermal Fluctuations And Relaxation Processes In Nanomagnets

By: William T Coffey,Yuri P Kalmykov,Sergei V Titov

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Thermal Fluctuations And Relaxation Processes In Nanomagnets

By: William T Coffey,Yuri P Kalmykov,Sergei V Titov

Presenting in a coherent and accessible fashion current results in nanomagnetism, this book constitutes a comprehensive, rigorous and readable account, from first principles of the classical and quantum theories underlying the dynamics of magnetic nanoparticles subject to thermal fluctuations.Starting with the Larmor-like equation for a giant spin, both the stochastic (Langevin) equation of motion of the magnetization and the associated evolution (Fokker-Planck) equation for the distribution function of the magnetization orientations of ferromagnetic nanoparticles (classical spins) in a heat bath are developed along with their solution (using angular momentum theory) for arbitrary magnetocrystalline-Zeeman energy. Thus, observables such as the magnetization reversal time, relaxation functions, dynamic susceptibilities, etc. are calculated and compared with the predictions of classical escape rate theory including in the most general case spin-torque-transfer. Regarding quantum effects, which are based on the reduced spin density matrix evolution equation in Hilbert space as is described at length, they are comprehensively treated via the Wigner-Stratonovich formulation of the quantum mechanics of spins via their orientational quasi-probability distributions on a classically meaningful representation space. Here, as suggested by the relevant Weyl symbols, the latter is the configuration space of the polar angles. Hence, one is led, by mapping the reduced density matrix equation onto that space, to a master equation for the quasi-probability evolution akin to the Fokker-Planck equation which may be solved in a similar way. Thus, one may study in a classical-like manner the evolution of observables with spin number ranging from an elementary spin to molecular clusters to the classical limit, viz. a nanoparticle. The entire discussion hinges on the one-to-one correspondence between polarization operators in Hilbert space and the spherical harmonics allied to concepts of spin coherent states long familiar in quantum optics.Catering for the reader with only a passing knowledge of statistical and quantum mechanics, the book serves as an introductory text on a complicated subject where the literature is remarkably sparse.

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Page Count

709

Publisher

World Scientific

Published Date

ISBN 10

9811217297

ISBN 13

9789811217296

Langevin Equation, The: With Applications In Physics, Chemistry And Electrical Engineering

By: William T Coffey,Yuri P Kalmykov,John T Waldron

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Langevin Equation, The: With Applications In Physics, Chemistry And Electrical Engineering

By: William T Coffey,Yuri P Kalmykov,John T Waldron

The book is suitable for a lecture course on the theory of Brownian motion, being based on final year undergraduate lectures given at Trinity College, Dublin. Topics that are discussed include: white noise; the Chapman-Kolmogorov equation — Kramers-Moyal expansion; the Langevin equation; the Fokker-Planck equation; Brownian motion of a free particle; spectral density and the Wiener-Khintchin theorem — Brownian motion in a potential application to the Josephson effect, ring laser gyro; Brownian motion in two dimensions; harmonic oscillators; itinerant oscillators; linear response theory; rotational Brownian motion; application to loss processes in dielectric and ferrofluids; superparamagnetism and nonlinear relaxation processes.As the first elementary book on the Langevin equation approach to Brownian motion, this volume attempts to fill in all the missing details which students find particularly hard to comprehend from the fundamental papers contained in the Dover reprint — Selected Papers on Noise and Stochastic Processes, ed. N Wax (1954) — together with modern applications particularly to relaxation in ferrofluids and polar dielectrics.

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Page Count

430

Publisher

World Scientific

Published Date

ISBN 10

9814502405

ISBN 13

9789814502405

Feigin and Cherry's Textbook of Pediatric Infectious Diseases E-Book

2-Volume Set

By: James Cherry,Gail J. Demmler-Harrison,Sheldon L. Kaplan,William Steinbach,Peter J Hotez

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Feigin and Cherry's Textbook of Pediatric Infectious Diseases E-Book

2-Volume Set

By: James Cherry,Gail J. Demmler-Harrison,Sheldon L. Kaplan,William Steinbach,Peter J Hotez

Offering unparalleled coverage of infectious diseases in children and adolescents, Feigin & Cherry's Textbook of Pediatric Infectious Diseases 8th Edition, continues to provide the information you need on epidemiology, public health, preventive medicine, clinical manifestations, diagnosis, treatment, and much more. This extensively revised edition by Drs. James Cherry, Gail J. Demmler-Harrison, Sheldon L. Kaplan, William J. Steinbach, and Peter J. Hotez, offers a brand-new full-color design, new color images, new guidelines, and new content, reflecting today's more aggressive infectious and resistant strains as well as emerging and re-emerging diseases - Discusses infectious diseases according to organ system, as well as individually by microorganisms, placing emphasis on the clinical manifestations that may be related to the organism causing the disease. - Provides detailed information regarding the best means to establish a diagnosis, explicit recommendations for therapy, and the most appropriate uses of diagnostic imaging. - Features expanded information on infections in the compromised host; immunomodulating agents and their potential use in the treatment of infectious diseases; and Ebola virus. - Contains hundreds of new color images throughout, as well as new guidelines, new resistance epidemiology, and new Global Health Milestones. - Includes new chapters on Zika virus and Guillain-Barré syndrome. - Expert ConsultTM eBook version included with purchase. This enhanced eBook experience allows you to search all of the text, figures, and references from the book on a variety of devices.

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2045

Publisher

Elsevier Health Sciences

Published Date

ISBN 10

0323392814

ISBN 13

9780323392815

The Langevin Equation

With Applications to Stochastic Problems in Physics, Chemistry and Electrical Engineering

By: William Coffey,Yu. P. Kalmykov

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The Langevin Equation

With Applications to Stochastic Problems in Physics, Chemistry and Electrical Engineering

By: William Coffey,Yu. P. Kalmykov

This volume is the third edition of the first-ever elementary book on the Langevin equation method for the solution of problems involving the translational and rotational Brownian motion of particles and spins in a potential highlighting modern applications in physics, chemistry, electrical engineering, and so on. In order to improve the presentation, to accommodate all the new developments, and to appeal to the specialized interests of the various communities involved, the book has been extensively rewritten and a very large amount of new material has been added. This has been done in order to present a comprehensive overview of the subject emphasizing via a synergetic approach that seemingly unrelated physical problems involving random noise may be described using virtually identical mathematical methods in the spirit of the founders of the subject, viz., Einstein, Langevin, Smoluchowski, Kramers, The book has been written in such a way that all the material should be accessible both to an advanced researcher and a beginning graduate student. It draws together, in a coherent fashion, a variety of results which have hitherto been available only in the form of scattered research papers and review articles.

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850

Publisher

World Scientific

Published Date

ISBN 10

9814355674

ISBN 13

9789814355674

Langevin Equation, The: With Applications To Stochastic Problems In Physics, Chemistry And Electrical Engineering (2nd Edition)

By: William T Coffey,Yuri P Kalmykov,John T Waldron

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Langevin Equation, The: With Applications To Stochastic Problems In Physics, Chemistry And Electrical Engineering (2nd Edition)

By: William T Coffey,Yuri P Kalmykov,John T Waldron

This volume is the second edition of the first-ever elementary book on the Langevin equation method for the solution of problems involving the Brownian motion in a potential, with emphasis on modern applications in the natural sciences, electrical engineering and so on. It has been substantially enlarged to cover in a succinct manner a number of new topics, such as anomalous diffusion, continuous time random walks, stochastic resonance etc, which are of major current interest in view of the large number of disparate physical systems exhibiting these phenomena. The book has been written in such a way that all the material should be accessible to an advanced undergraduate or beginning graduate student. It draws together, in a coherent fashion, a variety of results which have hitherto been available only in the form of research papers or scattered review articles.

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Page Count

704

Publisher

World Scientific

Published Date

ISBN 10

981448539X

ISBN 13

9789814485395

Twentieth Century British History

A Teaching Resource Book

By: William Simpson

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Twentieth Century British History

A Teaching Resource Book

By: William Simpson

Rev. ed. of: Working with sources. 1988.

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Page Count

368

Publisher

Psychology Press

Published Date

ISBN 10

0415311152

ISBN 13

9780415311151

Langevin Equation, The: With Applications To Stochastic Problems In Physics, Chemistry And Electrical Engineering (3rd Edition)

By: Yuri P Kalmykov,William T Coffey

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Langevin Equation, The: With Applications To Stochastic Problems In Physics, Chemistry And Electrical Engineering (3rd Edition)

By: Yuri P Kalmykov,William T Coffey

This volume is the third edition of the first-ever elementary book on the Langevin equation method for the solution of problems involving the translational and rotational Brownian motion of particles and spins in a potential highlighting modern applications in physics, chemistry, electrical engineering, and so on. In order to improve the presentation, to accommodate all the new developments, and to appeal to the specialized interests of the various communities involved, the book has been extensively rewritten and a very large amount of new material has been added. This has been done in order to present a comprehensive overview of the subject emphasizing via a synergetic approach that seemingly unrelated physical problems involving random noise may be described using virtually identical mathematical methods in the spirit of the founders of the subject, viz., Einstein, Langevin, Smoluchowski, Kramers, etc. The book has been written in such a way that all the material should be accessible both to an advanced researcher and a beginning graduate student. It draws together, in a coherent fashion, a variety of results which have hitherto been available only in the form of scattered research papers and review articles.

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Page Count

850

Publisher

World Scientific

Published Date

ISBN 10

981448380X

ISBN 13

9789814483803

Langevin Equation, The: With Applications To Stochastic Problems In Physics, Chemistry And Electrical Engineering (Fourth Edition)

By: William T Coffey,Yuri P Kalmykov

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Langevin Equation, The: With Applications To Stochastic Problems In Physics, Chemistry And Electrical Engineering (Fourth Edition)

By: William T Coffey,Yuri P Kalmykov

Our original objective in writing this book was to demonstrate how the concept of the equation of motion of a Brownian particle — the Langevin equation or Newtonian-like evolution equation of the random phase space variables describing the motion — first formulated by Langevin in 1908 — so making him inter alia the founder of the subject of stochastic differential equations, may be extended to solve the nonlinear problems arising from the Brownian motion in a potential. Such problems appear under various guises in many diverse applications in physics, chemistry, biology, electrical engineering, etc. However, they have been invariably treated (following the original approach of Einstein and Smoluchowski) via the Fokker-Planck equation for the evolution of the probability density function in phase space. Thus the more simple direct dynamical approach of Langevin which we use and extend here, has been virtually ignored as far as the Brownian motion in a potential is concerned. In addition two other considerations have driven us to write this new edition of The Langevin Equation. First, more than five years have elapsed since the publication of the third edition and following many suggestions and comments of our colleagues and other interested readers, it became increasingly evident to us that the book should be revised in order to give a better presentation of the contents. In particular, several chapters appearing in the third edition have been rewritten so as to provide a more direct appeal to the particular community involved and at the same time to emphasize via a synergetic approach how seemingly unrelated physical problems all involving random noise may be described using virtually identical mathematical methods. Secondly, in that period many new and exciting developments have occurred in the application of the Langevin equation to Brownian motion. Consequently, in order to accommodate all these, a very large amount of new material has been added so as to present a comprehensive overview of the subject.

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Page Count

927

Publisher

World Scientific

Published Date

ISBN 10

9813222018

ISBN 13

9789813222014

Why Catholicism Matters

How Catholic Virtues Can Reshape Society in the 21st Century

By: William A. Donohue,Bill Donohue

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Why Catholicism Matters

How Catholic Virtues Can Reshape Society in the 21st Century

By: William A. Donohue,Bill Donohue

Donohue, the president of the Catholic League, reminds readers of the great wealth of charity and wisdom that exists in the Catholic tradition and explores the four Cardinal Virtues--prudence, justice, fortitude, and temperance.

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Page Count

306

Publisher

Image Books

Published Date

ISBN 10

030788533X

ISBN 13

9780307885333

A Guide to Irish Roots

Collected from Oral Tradition and Ancient Records During Visits to Ireland, Other Parts of Europe, and North America

By: William P. Durning,Mary Durning

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A Guide to Irish Roots

Collected from Oral Tradition and Ancient Records During Visits to Ireland, Other Parts of Europe, and North America

By: William P. Durning,Mary Durning

Traces the traditional origin of the Irish race, the branching of families and the beginning of surnames.

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Page Count

306

Published Date

ISBN 10

0960186816

ISBN 13

9780960186815

Book's by William T Coffey

Thermal Fluctuations And Relaxation Processes In Nanomagnets

Thermal Fluctuations And Relaxation Processes In Nanomagnets

Langevin Equation, The: With Applications In Physics, Chemistry And Electrical Engineering

Langevin Equation, The: With Applications In Physics, Chemistry And Electrical Engineering

Feigin and Cherry's Textbook of Pediatric Infectious Diseases E-Book

Feigin and Cherry's Textbook of Pediatric Infectious Diseases E-Book

The Langevin Equation

The Langevin Equation

Langevin Equation, The: With Applications To Stochastic Problems In Physics, Chemistry And Electrical Engineering (2nd Edition)

Langevin Equation, The: With Applications To Stochastic Problems In Physics, Chemistry And Electrical Engineering (2nd Edition)

Twentieth Century British History

Twentieth Century British History

Langevin Equation, The: With Applications To Stochastic Problems In Physics, Chemistry And Electrical Engineering (3rd Edition)

Langevin Equation, The: With Applications To Stochastic Problems In Physics, Chemistry And Electrical Engineering (3rd Edition)

Langevin Equation, The: With Applications To Stochastic Problems In Physics, Chemistry And Electrical Engineering (Fourth Edition)

Langevin Equation, The: With Applications To Stochastic Problems In Physics, Chemistry And Electrical Engineering (Fourth Edition)

Why Catholicism Matters

Why Catholicism Matters

A Guide to Irish Roots

A Guide to Irish Roots

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