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- 58703121 Bransden B H Joachain C J Physics of Atoms and Molecules
- PHY420 Atomic and Molecular Physics
- PHY420 Atomic and Molecular Physics
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58703121 Bransden B H Joachain C J Physics of Atoms and Molecules
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For Later. Related titles. Carousel Previous Carousel Next. Reichl L. Krane Kenneth S. Introduction to Elementary Particles - D. Goldstein H. Classical Dynamics of Particles and Systems 5th Ed - s. Thornton, j. Marion Ww. Jump to Page. Search inside document. Physics of atoms and molecules B. Bransden and C. Bibliography: p. Includes index. Charles Jean IL. The electron 3 1.
Black body radiation 9 1. The eigenfunctions of the bound states 3. The virial theorem 3. The Zeeman effect 5. The Stark effect 5. Para and ortho states 6. Auger effect autoionisation. Resonances Problems 7 Many-electron atoms 7. The Thomas—Fermi model of the atom 7. L-S coupling and j-j coupling. Multiplet structure 8. The Zeeman effect 8. The rotation and vibration of diatomic molecules 9. General features The method of partial waves The elastic scattering of atoms at low velocities As a rule, part of this material is given in a course on quantum mechanics, and some separately.
The aim of this book is to present a unified account of the physics of atoms and molecules, from a modern viewpoint, in adequate detail, but keeping within the undergraduate framework. It is based on courses given by the authors at the Universities of Durham, Glasgow, California Berkeley , Brussels and Louvain- la-Neuve, and is suitable for study at second or third year level of an undergraduate course following some study of elementary quantum theory.
Following a brief historical introduction in Chapter 1, Chapter 2 contains an outline of the ideas and approximation methods of quantum mechanics, which are used later in the book.
This is in no sense intended as a substitute for a proper study of quantum mechanics, but serves to establish notation and as a convenient summary of results. In Chapters 3 to 8, the structure of atoms and the interaction of atoms with radiation are discussed, followed in Chapters 9 and 10 by an account of the structure and spectra of molecules.
Selected topics dealing with the scattering of electrons by atoms, and of atoms by atoms, are given in Chapters 11 to 13 while in the final chapter, a few of the many important applications of atomic physics are considered.
Various special topics and derivations are given in the appendices together with useful tables of units. For a full understanding, the reader should work through the problems given at the end of the chapters.
Hints at the solutions of selected problems are given at the end of the book. We wish to thank our colleagues and students for numerous helpful discussions and suggestions. It is also a pleasure to thank Mme E. Raine for their patient and careful typing of the manuscript. Bransden, Durham C. A complete account of the historical development of atomic and molecular physics lies far outside the scope of this volume.
Nevertheless, it is important to recognise the key steps which have occurred in this evolution. In the present chapter we shall briefly describe the major experiments and discuss the basic theoretical concepts which are at the root of modern atomic and molecular physics. In particular, following ideas of Anaxagoras sc and Empedocles xc , Leucippus circa gc and his pupil Democritus ne: argued that the universe consists of empty space and of indivisible particles, the atoms , differing from each other in form, position and arrangement.
The atomic hypothesis, however, was rejected by Aristotle Bc who strongly supported the concept of the continuity of matter. In modern times, the question was re-opened following the experimental discovery of the gas laws by R.
Boyle in , and the interpretation of these laws in terms of a kinetic model by D. Bernoulli in The kinetic theory of gases developed throughout the nineteenth century, notably by R. Clausius, J. Maxwell and L. Boltzmann, was able to explain the physical properties of gases by assuming that: A gas consists of a large number of particles called molecules which make elastic collisions with each other and with the walls of the container.
The molecules of a particular substance are all identical and are small compared with the distances that separate them. Electrons, photons and atoms il 3.
The temperature of a gas is proportional to the average kinetic energy of the molecules. In parallel with the development of the kinetic theory, the laws of chemical combination were being discovered, which again could be interpreted by making hypotheses about the atomic nature of matter.
In , J. Proust formulated the law of definite proportions which states that when chemical elements combine to form a given compound, the proportion by weight of each element is always the same. This was followed in by J. These laws were explained by Dalton in , who made the hypothesis that the elements are composed of discrete atoms.
For a given element these atoms are all identical and each atom has the same weight. Compounds are formed when atoms of different elements combine in a simple ratio. Also in , J. Gay-Lussac discovered that when two gases combine to form a third, the volumes are in the ratio of simple integers. This result was explained by A. Avogadro in He was the first to make a clear distinction between atoms, the discrete particles of the elements, and molecules, which are the discrete particles of compounds, composed of two or more atoms bound together.
Avogadro was able to show that the Gay-Lussac law is satisfied if equal volumes of different gases, at the same pressure and temperature, contain equal numbers of molecules. In addition to the properties of gases, the kinetic theory was able to explain other phenomena, for example the random motion of small particles suspended in a fluid.
This motion, discovered by R. Brown in , is due to the collisions of the molecules of the fluid with the suspended particles.
PHY420 Atomic and Molecular Physics
General Information. Lecture Schedule. Problem Sets. Final Project. Instructor: Prof. Ivan Deutsch.
Schedule: Tuesday , Thursday , Friday Office Hours: Thursday 5pm-6pm. Quiz 1 : 6th February, Thursday pm. Suggested Readings:. There are lecture notes available on the internet.
Physics of atoms and molecules. 2nd edition. B.H. Bransden and C.J. Joachain. Prentice. Hall. An imprint of Pearson Education. Harlow, England • London.
PHY420 Atomic and Molecular Physics
The aim of this new edition is to provide a unified account of the subject within an undergraduate framework, taking the opportunity to make improvements based on the teaching experience of users of the first edition, and cover important new developments in the subject. Certified Buyer , Bhubaneswar. Certified Buyer , Pune. Certified Buyer , Navi Mumbai.
Charles J. Joachain is a Belgian physicist. Born in Brussels on 9 May , Charles J.
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В конце концов, Росио права, он сам, наверное, поступил бы точно так. - А потом вы отдали кольцо какой-то девушке. - Я же говорила.
Я не намерен информировать президента за спиной директора. У нас возник кризис, и я пытаюсь с ним справиться. - Он задумчиво посмотрел на. - Я являюсь заместителем оперативного директора агентства. - Усталая улыбка промелькнула на его лице.
Больше ждать он не мог: глаза горели огнем, нужно было промыть их водой.
- Смотрите. Все прочитали: - …в этих бомбах использовались разные виды взрывчатого вещества… обладающие идентичными химическими характеристиками. Эти изотопы нельзя разделить путем обычного химического извлечения.