Category: Electromagnetism

By N. N. Greenwood

Rudolph Mossbauer found the phenomenon of recoil-free nuclear resonance fluorescence in 1957-58 and the 1st symptoms of hyperfine interactions in a chemical compound have been bought by way of Kistner and Sunyar in 1960. From those beginnings the means of Mossbauer spectroscopy quickly emerged and the stunning versatility of this new strategy quickly ended in its large program to a wide selection of chemical and solid-state difficulties. This booklet experiences the implications acquired via Mossbauer spectroscopy in the past ten years within the trust that it will supply a company foundation for the ongoing improvement and alertness of the strategy to new difficulties sooner or later. it's been our objective to put in writing a unified and constant therapy which to start with offers the elemental ideas underlying the phenomena concerned, then outlines the experimental recommendations used, and at last summarises the wealth of experimental and theoretical effects that have been got. we now have attempted to offer a few feeling for the actual foundation of the Mossbauer influence with­ out wide use of mathematical formalism, and a few appreciation of the experimental tools hired with out embarking on an in depth dialogue of electronics and instrumentation. besides the fact that, complete references to the unique literature are supplied and specific issues can conveniently be pursued in additional aspect if required.

By Jerrold Franklin

By Peter Monk

In gentle of accelerating makes use of for direct numerical approximations of Maxwell's equations in technology and engineering, this article presents arithmetic graduate scholars and researchers with a theoretical beginning for finite point equipment in computational electromagnetism. Monk (mathematical sciences, U. of Delaware) emphasizes finite aspect tools for scattering difficulties regarding the suggestions of Maxwell's equations on countless domain names. The book's major concentration is on an mistakes research of part finite point tools which are well matched to Maxwell's equations. The booklet concludes with a brief advent to inverse difficulties in electromagnetism.

By Xin-Qing Sheng

Essentials of Computational Electromagnetics presents an in-depth creation of the 3 major full-wave numerical equipment in computational electromagnetics (CEM); specifically, the tactic of second (MoM), the finite aspect approach (FEM), and the finite-difference time-domain (FDTD) procedure. various monographs are available addressing one of many above 3 equipment. even though, few provide a extensive common review of necessities embodied in those tools, or have been released too early to incorporate contemporary advances. in addition, many current monographs simply current the ultimate numerical effects with no specifying useful concerns, comparable to find out how to convert discretized formulations into desktop courses, and the numerical features of the pc courses. during this publication, the authors complex the above 3 equipment in CEM utilizing sensible case reviews, explaining their very own study reviews besides a assessment of present literature. a whole research is supplied for regular circumstances, together with features of numerical equipment, aiding rookies to enhance a short and deep knowing of the necessities of CEM.

• Outlines functional concerns, similar to find out how to convert discretized formulations into laptop programs
• Gives standard machine courses and their numerical features besides line via line causes of programs
• Uses functional examples from the authors' personal paintings in addition to within the present literature
• Includes workout difficulties to provide readers a greater realizing of the material
• Introduces the to be had advertisement software program and their limitations

This booklet is meant for graduate-level scholars in antennas and propagation, microwaves, microelectronics, and electromagnetics. this article is additionally utilized by researchers in electric and digital engineering, and software program builders drawn to writing their very own code or realizing the distinctive workings of code.

Companion web site for the booklet: www.wiley.com/go/sheng/cem

By Moulay Tahar Lamchich

By J. Van Bladel

By Frank Großmann

Theoretical investigations of atoms and molecules interacting with pulsed or non-stop wave lasers as much as atomic box strengths at the order of 10^16 W/cm² are resulting in an realizing of many demanding experimental discoveries. This ebook bargains with the fundamentals of femtosecond physics and is going as much as the newest functions of recent phenomena. The e-book provides an creation to laser physics with mode-locking and pulsed laser operation. the answer of the time-dependent Schrödinger equation is mentioned either analytically and numerically. the foundation for the non-perturbative therapy of laser-matter interplay within the e-book is the numerical resolution of the time-dependent Schrödinger equation. the sunshine box is handled classically, and diverse attainable gauges are mentioned. actual phenomena, starting from Rabi-oscillations in two-level structures to the ionization of atoms, the iteration of excessive harmonics, the ionization and dissociation of molecules in addition to the keep watch over of chemical reactions are offered and mentioned on a basic point. during this approach the theoretical history for state-of-the-art experiments with powerful and brief laser pulses is given. The textual content is augmented by way of greater than thirty workouts, whose worked-out recommendations are given within the final bankruptcy. a few specific calculations are played within the appendices. in addition, every one bankruptcy ends with references to extra really expert literature.