Preface to first editionPreface to second edition1. Introduction2. The hydrogen atom- gross structure3. Radiative transitions4. The hydrogen atom- fine structure5. Two-electron system6. The central-field approximation7. Angular problems in many-electron atoms8. Interaction with static external fields9. Hyperfine structure and isotope shiftAppendix A. Some theorems of quantum mechanicsAppendix B. Results of time-independent perturbation theoryAppendix C. Notes on angular momentumAppendix D. Ground states of the elementsAppendix E. UnitsIndex

For beginners and specialists in other fields: the Nobel Laureate's introduction to atomic spectra and their relationship to atomic structures, stressing basics in a physical, rather than mathematical, treatment. 80 illustrations.

This text will thoroughly update the existing literature on atomic physics. Intended to accompany an advanced undergraduate course in atomic physics, the book will lead the students up to the latest advances and the applications to Bose-Einstein Condensation of atoms, matter-wave inter-ferometry and quantum computing with trapped ions. The elementary atomic physics covered in the early chapters should be accessible to undergraduates when they are first introduced to the subject. To complement the usual quantum mechanical treatment of atomic structure the book strongly emphasizes the experimental basis of the subject, especially in the later chapters. It includes ample tutorial material (examples, illustrations, chapter summaries, graded problem sets).

This text on atomic structure is intermediate in level between purely introductory general texts on 'modern physics' and advanced specialized treatises. It is short enough to be read in the time normally devoted to atomic structure in physics degree courses. Throughout the book real-life examples from atomic spectroscopy are discussed alongside the exposition of the theory, both to give a feeling for orders of magnitude and to impart a real understanding of the application of elementary quantum mechanics.

Niels Bohr (1885-1962) was a Danish physicist who played a key role in the development of atomic theory and quantum mechanics, he was awarded the Nobel Prize for Physics in 1922. Originally written for various journals during the 1920s, these articles investigate the epistemological significance of discoveries in quantum physics.

Introduction to the Theory of Atomic Spectra is a systematic presentation of the theory of atomic spectra based on the modern system of the theory of angular momentum. Many questions which are of interest from the point of view of using spectroscopic methods for investigating various physical phenomena, including continuous spectrum radiation, excitation of atoms, and spectral line broadening, are discussed. This volume consists of 11 chapters organized into three sections. After a summary of elementary information on atomic spectra, including the hydrogen spectrum and the spectra of multi-electron atoms, the reader is methodically introduced to angular momentum, systematics of the levels of multi-electron atoms, and hyperfine structure of spectral lines. Relativistic corrections are also given consideration, with particular reference to the use of the Dirac equation to determine the stationary states of an electron in an arbitrary electromagnetic field. In addition, the book explores the Stark effect and the Zeeman effect, the interaction between atoms and an electromagnetic field, and broadening of spectral lines. The final chapter is devoted to the problem of atomic excitation by collisions. This book is intended for advanced-course university students, postgraduate students and scientists working on spectroscopy and spectral analysis, and also in the field of theoretical physics.

In the final part of a three-book series, Ellie the Electron adventures into the subatomic world. Simple rhyming sentences and vibrant science pictures make it easy for even a toddler to begin to understand the basics of chemistry. Learn about some of the most fundamental concepts in science BEFORE the social pressure and intimidation of formal schooling sets in. Spark scientific curiosity in kids of all ages!