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Extended Electromagnetic Theory


Extended Electromagnetic Theory
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Extended Electromagnetic Theory Space Charge In Vacuo And The Rest Mass Of Photon


Extended Electromagnetic Theory Space Charge In Vacuo And The Rest Mass Of Photon
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Author : Bo Lehnert
language : en
Publisher: World Scientific
Release Date : 1998-11-12

Extended Electromagnetic Theory Space Charge In Vacuo And The Rest Mass Of Photon written by Bo Lehnert and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998-11-12 with Technology & Engineering categories.


This book presents extended forms of the Maxwell equations as well as electromagnetic fields, based on a non-zero divergence of the electric field and a non-zero electric conductivity in vacuo. These approaches, which predict new features of the electromagnetic field, such as the existence of both longitudinal and transverse solutions, the existence of space-charge current in vacuo, and steady electromagnetic equilibria, have possible applications to charge and neutral leptons and new photon physics. The present theory can also clear up some unsolved problems, such as the total reflection of light at the interface between a vacuum and a dissipative medium, and the appearance of an angular momentum of the photon, thereby leading to a rest mass and an axial magnetic field component of the photon. This axial magnetic field component may be related to the B(3) field proposed by Evans and Vigier. A new gauge condition has been proposed to maintain consistency of the theory with the non-zero photon mass. Several consequences of the non-zero mass of the photon are also discussed, especially in the astrophysical context.



Extended Electromagnetic Theory


Extended Electromagnetic Theory
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Author : Bo Lehnert
language : en
Publisher: World Scientific
Release Date : 1998

Extended Electromagnetic Theory written by Bo Lehnert and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Science categories.


This book presents extended forms of the Maxwell equations as well as electromagnetic fields, based on a non-zero divergence of the electric field and a non-zero electric conductivity in vacuo. These approaches, which predict new features of the electromagnetic field, such as the existence of both longitudinal and transverse solutions, the existence of space-charge current in vacuo, and steady electromagnetic equilibria, have possible applications to charge and neutral leptons and new photon physics. The present theory can also clear up some unsolved problems, such as the total reflection of light at the interface between a vacuum and a dissipative medium, and the appearance of an angular momentum of the photon, thereby leading to a rest mass and an axial magnetic field component of the photon. This axial magnetic field component may be related to the B(3) field proposed by Evans and Vigier. A new gauge condition has been proposed to maintain consistency of the theory with the non-zero photon mass. Several consequences of the non-zero mass of the photon are also discussed, especially in the astrophysical context.



Electromagnetic Theory And Applications In Beam Wave Electronics


Electromagnetic Theory And Applications In Beam Wave Electronics
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Author : B. N. Basu
language : en
Publisher: World Scientific
Release Date : 1996

Electromagnetic Theory And Applications In Beam Wave Electronics written by B. N. Basu and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Technology & Engineering categories.


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.



Terrestrial Propagation Of Long Electromagnetic Waves


Terrestrial Propagation Of Long Electromagnetic Waves
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Author : Janis Galejs
language : en
Publisher: Elsevier
Release Date : 2013-10-22

Terrestrial Propagation Of Long Electromagnetic Waves written by Janis Galejs and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-22 with Technology & Engineering categories.


Terrestrial Propagation of Long Electromagnetic Waves deals with the propagation of long electromagnetic waves confined principally to the shell between the earth and the ionosphere, known as the terrestrial waveguide. The discussion is limited to steady-state solutions in a waveguide that is uniform in the direction of propagation. Wave propagation is characterized almost exclusively by mode theory. The mathematics are developed only for sources at the ground surface or within the waveguide, including artificial sources as well as lightning discharges. This volume is comprised of nine chapters and begins with an introduction to the fundamental concepts of wave propagation in a planar and curved isotropic waveguide. A number of examples are presented to illustrate the effects of an anisotropic ionosphere. The basic equations are summarized and plane-wave reflection from a dielectric interface is considered, along with the superposition of two obliquely incident plane waves. The properties of waveguide boundaries are implicitly represented by Fresnel reflection coefficients. Subsequent chapters focus on boundaries of the terrestrial guide; lightning discharges as a natural source of extremely-low-frequency and very-low-frequency radiation; and the mode theory for waves in an isotropic spherical shell. This book will be a useful resource for students and practitioners of physics.



Essays On The Formal Aspects Of Electromagnetic Theory


Essays On The Formal Aspects Of Electromagnetic Theory
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Author : Akhlesh Lakhtakia
language : en
Publisher: World Scientific
Release Date : 1993

Essays On The Formal Aspects Of Electromagnetic Theory written by Akhlesh Lakhtakia and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Science categories.


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.



Topological Foundations Of Electromagnetism


Topological Foundations Of Electromagnetism
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Author : Terence William Barrett
language : en
Publisher: World Scientific
Release Date : 2008-03-13

Topological Foundations Of Electromagnetism written by Terence William Barrett and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-03-13 with Science categories.


Topological Foundations of Electromagnetism seeks a fundamental understanding of the dynamics of electromagnetism; and marshals the evidence that in certain precisely defined topological conditions, electromagnetic theory (Maxwell's theory) must be extended or generalized in order to provide an explanation and understanding of, until now, unusual electromagnetic phenomena. Key to this generalization is an understanding of the circumstances under which the so-called A potential fields have physical effects. Basic to the approach taken is that the topological composition of electromagnetic fields is the fundamental conditioner of the dynamics of these fields. The treatment of electromagnetism from, first, a topological perspective, continuing through group theory and gauge theory, to a differential calculus description is a major thread of the book. Suggestions for potential new technologies based on this new understanding and approach to conditional electromagnetism are also given.



Advanced Electromagnetism Foundations Theory And Applications


Advanced Electromagnetism Foundations Theory And Applications
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Author : Terence William Barrett
language : en
Publisher: World Scientific
Release Date : 1995-11-16

Advanced Electromagnetism Foundations Theory And Applications written by Terence William Barrett and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995-11-16 with Science categories.


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.



Electromagnetic Theory And Wave Propagation


Electromagnetic Theory And Wave Propagation
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Author : S. N. Ghosh
language : en
Publisher: CRC Press
Release Date : 2002

Electromagnetic Theory And Wave Propagation written by S. N. Ghosh and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Science categories.


Although the fundamental concepts of Maxwell remain for the most part unchanged since their inception, electromagnetic theory has continued to evolve, extending, most significantly, to shorter and shorter wavelengths. This has revealed many of nature's mysteries. And led to a myriad of applications that have literally changed our world. The second edition of Electromagnetic Theory and Wave Propagation begins by presenting the basic concepts of electromagnetic theory, then explores the field's extended areas primarily discovered after World War II. The author elaborates on the work of pioneer investigators, particularly with respect to the identity of light and electromagnetic waves and then derives the fundamental laws of optics from electromagnetic considerations. He has also added several new topics including meteor astronomy, remote sensing and, most notably, discussions on relativistic electrodynamics.



Applications Of An Extended Electromagnetic Theory


Applications Of An Extended Electromagnetic Theory
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Author :
language : en
Publisher:
Release Date : 2003

Applications Of An Extended Electromagnetic Theory written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.




Electromagnetic Wave Theory


Electromagnetic Wave Theory
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Author : Jin Au Kong
language : en
Publisher: Wiley-Interscience
Release Date : 1990

Electromagnetic Wave Theory written by Jin Au Kong and has been published by Wiley-Interscience this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Science categories.


This is a first year graduate text on electromagnetic field theory emphasizing mathematical approaches, problem solving and physical interpretation. Examples deal with guidance, propagation, radiation and scattering of electromagnetic waves, metallic and dielectric wave guides, resonators, antennas and radiating structures, Cerenkov radiation, moving media, plasmas, crystals, integrated optics, lasers and fibers, remote sensing, geophysical probing, dipole antennas and stratified media.