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Essays on the Formal Aspects of Electromagnetic Theory

Essays on the Formal Aspects of Electromagnetic Theory
Author: Akhlesh Lakhtakia
Publisher: World Scientific
Total Pages: 824
Release: 1993
Genre: Science
ISBN: 9789810208547

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The book deals with formal aspects of electromagnetic theory from the classical, the semiclassical and the quantum viewpoints in essays written by internationally distinguished scholars from several countries. The fundamental basis of electromagnetic theory is examined in order to elucidate Maxwell's equations, identify problematic aspects as well as outstanding problems, suggest ways and means of overcoming the obstacles, and review existing literature.This book will be especially valuable for those who wish to go in depth, rather than simply use Maxwell's equations for the solution of engineering problems. Graduate students will find it rich in dissertation topics, and advanced researchers will relish the controversial and detailed arguments and models.


Interstellar Propagation of Electromagnetic Signals

Interstellar Propagation of Electromagnetic Signals
Author: Henning F. Harmuth
Publisher: Springer Science & Business Media
Total Pages: 288
Release: 2012-12-06
Genre: Science
ISBN: 1461542472

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Most texts on electromagnetic theory follow the classical approach of steady state solutions of Maxwell's equations. In Interstellar Propagation of Electromagnetic Signals, the authors, H. Harmuth and K. Lukin, point out the deficiencies in Maxwell's theory and present an exciting new way of obtaining transient or signals solutions. This book can be used by researchers, graduate students and scientists in the areas of physics, astrophysics, astronomy and electromagnetic theory or electromagnetics.


Electromagnetic Theory and Applications in Beam-wave Electronics

Electromagnetic Theory and Applications in Beam-wave Electronics
Author: B. N. Basu
Publisher: World Scientific
Total Pages: 496
Release: 1996
Genre: Technology & Engineering
ISBN: 981022320X

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This book is divided into two parts. The first part deals with basic electromagnetic and the second part with beam-wave electronics related to growing-wave devices including 'slow-wave' travelling-wave tubes and 'fast-wave' gyro-travelling-wave tubes. The first part is a prerequisite for the second part, while the second part covers the applications of the topics discussed in the first part. These two parts put together make the volume a self-contained treatise. In the specific applications considered, time-independent field concepts are exemplified in the problems related to the formation of an electron beam by an electron gun, the confinement of an electron beam by a magnetic focusing structure, etc. Similarly, time-dependent field concepts are exemplified in problems related to propagation through a slow-wave structure and amplification in growing-wave electron beam devices, such as travelling-wave tubes, double-stream amplifiers, beam-plasma amplifiers and gyro-travelling-wave tubes. All throughout the text, stress is given to provide complete analytical deductions with full mathematical details and present the state-of-the-art concepts.


Advanced Electromagnetism: Foundations: Theory And Applications

Advanced Electromagnetism: Foundations: Theory And Applications
Author: Terence William Barrett
Publisher: World Scientific
Total Pages: 807
Release: 1995-11-16
Genre: Science
ISBN: 9814501085

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Advanced Electromagnetism: Foundations, Theory and Applications treats what is conventionally called electromagnetism or Maxwell's theory within the context of gauge theory or Yang-Mills theory. A major theme of this book is that fields are not stand-alone entities but are defined by their boundary conditions. The book has practical relevance to efficient antenna design, the understanding of forces and stresses in high energy pulses, ring laser gyros, high speed computer logic elements, efficient transfer of power, parametric conversion, and many other devices and systems. Conventional electromagnetism is shown to be an underdeveloped, rather than a completely developed, field of endeavor, with major challenges in development still to be met.


Modern Nonlinear Optics, Volume 119, Part 2

Modern Nonlinear Optics, Volume 119, Part 2
Author: Myron W. Evans
Publisher: John Wiley & Sons
Total Pages: 839
Release: 2004-08-04
Genre: Science
ISBN: 0471466123

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The new edition will provide the sole comprehensive resource available for non-linear optics, including detailed descriptions of the advances over the last decade from world-renowned experts.


Faster Than Light

Faster Than Light
Author: H. David Froning, Jr.
Publisher: SCB Distributors
Total Pages: 448
Release: 2019-11-12
Genre: Technology & Engineering
ISBN: 1948803232

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An amazing book on faster than light flight! H. David Froning, a 30-year veteran engineer who worked on several designs for future space travel propulsion, gives us this exceptional compilation of his discoveries, struggles and experiences in the realm of faster than light space travel. Central to the concept of faster than light travel is that the vacuum of space itself (the spacetime metric) can be utilized in propulsion systems. “Engineering the vacuum,” as this is called, involves discovering how space can be altered to provide energy/thrust for future spacecraft. Packed with diagrams, some of which show how, as a starship accelerates away from Earth, it disappears and reappears in only seconds. But during these seconds of disappearance, the ship, in effect, leaps high above space-time and over stupendous distances to reach speeds that are billions of times greater than light-speed. Lots of great material on quantum vacuum power, anti-gravity propulsion effects, the velocity of light in spacetime altered regions, effective mass in spacetime-altered regions, warp drives, and tons more!


Advanced Electromagnetism And Vacuum Physics

Advanced Electromagnetism And Vacuum Physics
Author: Patrick Cornille
Publisher: World Scientific
Total Pages: 794
Release: 2003-07-07
Genre: Science
ISBN: 9814486019

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This book is aimed at a large audience: scientists, engineers, professors and students wise enough to keep a critical stance whenever confronted with the chilling dogmas of contemporary physics. Readers will find a tantalizing amount of material calculated to nurture their thoughts and arouse their suspicion, to some degree at least, on the so-called validity of today's most celebrated physical theories.


Discontinuities in the Electromagnetic Field

Discontinuities in the Electromagnetic Field
Author: M. Mithat Idemen
Publisher: John Wiley & Sons
Total Pages: 172
Release: 2011-10-18
Genre: Science
ISBN: 1118057910

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A multifaceted approach to understanding, calculating, and managing electromagnetic discontinuities Presenting new, innovative approaches alongside basic results, this text helps readers better understand, calculate, and manage the discontinuities that occur within the electromagnetic field. Among the electromagnetic discontinuities explored in this volume are: Bounded jump discontinuities at the interfaces between two media or on the material sheets that model very thin layers Unbounded values at the edges of wedge-type structures Unbounded values at the tips of conical structures The text examines all the key issues related to the bodies that carry the interfaces, edges, or tips, whether these bodies are at rest or in motion with respect to an observer. In addition to its clear explanations, the text offers plenty of step-by-step examples to clarify complex theory and calculations. Moreover, readers are encouraged to fine-tune their skills and knowledge by solving the text's problem sets. Three fundamental, classical theories serve as the foundation for this text: distributions, confluence, and the special theory of relativity. The text sets forth the fundamentals of all three of these theories for readers who are not fully familiar with them. Moreover, the author demonstrates how to solve electromagnetic discontinuity problems by seamlessly combining all three theories into a single approach. With this text as their guide, readers can apply a unique philosophy and approach to the investigation and development of structures that have the potential to enhance the capabilities of electronics, antennas, microwaves, acoustics, medicine, and many more application areas.


Electromagnetic Sources and Electromagnetic Fields

Electromagnetic Sources and Electromagnetic Fields
Author: Gaobiao Xiao
Publisher: Springer Nature
Total Pages: 347
Release: 2024-01-16
Genre: Technology & Engineering
ISBN: 9819994497

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This book presents a modified spherical harmonic expansion method in which the electromagnetic fields and their sources are expanded with the same set of spherical vector basis functions in a similar procedure. Explicit expressions for the electromagnetic fields, potentials, energies, and the related Green’s functions are derived for the spherical modes in both frequency domain and time domain. Based on the formulation, the relationships between the electromagnetic sources, the electromagnetic far fields, and the electromagnetic near fields are clearly revealed. In particular, a nonuniform transmission line model is developed for intuitively characterizing the total radiation process. The introduction of the cutoff radius and the cutoff mode degree provides a simple reference for determining the numbers of degrees of freedom of the fields associated with sources in a bounded region. Based on the theory, an efficient hybrid method for synthesizing antenna arrays with complex footprints is proposed and demonstrated with several numerical examples. Effective algorithms are also developed for reconstructing the radiating part of the current sources. This book is intended for researchers, engineers, and graduate students who are interested in studying the energy transfer in electromagnetic radiation, synthesis and measurement of antenna arrays, and applications of inverse electromagnetic source problems.


Electromagnetic Signals

Electromagnetic Signals
Author: Henning F. Harmuth
Publisher: Springer Science & Business Media
Total Pages: 222
Release: 2012-12-06
Genre: Technology & Engineering
ISBN: 1461548497

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Electromagnetic Signals deals with the practical applications of nonsinusoidal electromagnetic waves or carrier free radars, ultrawideband technology and large relative bandwidth technology. The book is unique since it deals with a number of current conventional radar problems along with proposed solutions.