| Chapter 1. Spin Magnetic Moment of the Electron | 11
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| 1. Spin, Magnetic Moment, and G-Factor of the Electron | 11
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| 2. The Stern-Gerlach Experiment: Determination of the Spin and the Magnetic Moment of the Electron | 13
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| 3. Elements of the Quantum Theory of the Electron Spin | 17
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| 4. The Feasibility of the Measurement of Spin Angular Momentum for the Free Electron | 21
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| 5. Spin and Magnetic Moment of the Positron | 25
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| Chapter 2. Magnetism of the Atomic Electron Shell | 27
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| 1. The Magnetism of the Orbital Motion of the Electron in a One-Electron Atom | 27
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| 1.1. The Quasi-Classical Method | 27
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| 1.2. The Quantum-Mechanical Method (Space Quantization of Orbits) | 29
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| 2. Orbital and Spin Magnetism of the Shell of a Multi-Electron Atom | 31
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| 2.1. The Vector Model of the Electron Shell | 31
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| 2.2. Hund Rules | 38
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| 2.3. Filling of Atomic Electron Shells: Normal and Transition Elements | 40
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| 3. Determination of the Total Magnetic Moment and the Atomic Lande Factor | 42
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| 4. Interaction of Electron Magnetic Moments with Each Other and with External Magnetic Fields | 45
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| 4.1. Zeeman Effect | 45
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| 4.2. Quantum-Mechanical Theory of the Effect of Magnetic Field on the Atomic Electron Shell | 55
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| 4.3. Fine Structure of the Electron Specrtum of Atoms | 66
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| 4.4. The Effect of a Variable Magnetic Field: Magnetic Resonance | 70
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| 5. Certain Methods of Measurement of the Magnetic Moment of an Atom | 70
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| 5.1. Stern Method | 70
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| 5.2. Methods of Measuring Atomic Magnetic Moments in the Condensed Phase | 71
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| Chapter 3. Magnetism of Nucleons (Protons and Neutrons) and Atomic Nuclei | 73
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| 1. Magnetic Moments of Protons and Neutrons | 73
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| 1.1. Nuclear Magneton | 73
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| 1.2. Anomalous Magnetic Moments of Nucleons | 75
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| 2. Magnetic Moments of Nuclei (Analysis of Experimental Data | 81
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| 3. The Theory of Magnetic Moments of Atomic Nuclei | 87
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| 3.1. The Shell Model of Atomic Nucleus | 87
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| 3.2. Calculation of Nuclear Magnetic Moments. Schmidt Diagrams | 91
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| 3.3. Medium and Heavy Nuclei | 96
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| 4. Magnetic Moments of Excited Nuclei | 102
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| 5. MigdaPs Theory of Nuclear Magnetic Moments | 103
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| 6. Experimental Methods of Determining the Spin and the Magnetic Moment of Nucleons and Nuclei | 107
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| 6.1. Determination of Nuclear Moments from the Hy-perfine Structure of Atomic Spectra | 108
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| 6.2. Determination of Nuclear Moments from Rotational Spectra of Diatomic Molecules (Band Spectra Measurement) | 116
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| 6.3. The Method of Deflection of Molecular Beams and the Magnetic Resonance Method | 117
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| 6.4. The Method of Microwave Absorption | 124
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| 6.5. The Nuclear Resonance Induction Method | 125
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| 6.6. Measurement of the Neutron Magnetic Moment | 125
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| 6.7. Radioactive Methods | 131
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| 6.8. Dorfman's Method | 136
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| 6.9. Determination of Nuclear Magnetic Moments in Liquids and Crystals | 138
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| 7. Magnetic Properties of Crystalline 2He3 | 139
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| Chapter 4. Anomalous Magnetic Moments of Elementary Particles | 144
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| 1. Introduction | 144
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| 2. Lamb-Retherford Shift of Atomic Levels and the Anomalous Magnetic Moments of the Electron and Positron | 147
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| 2.1. Lamb-Retherford Shift | 148
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| 2.2. Corrections to the Electron Magnetic Moment | 151
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| 2.3. The Anomalous Magnetic Moment of the Positron and of Positro-nium | 161
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| 3. The Anomalous Magnetic Moment of Mu-Mesons (Muons) and of Mesic Atoms | 163
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| 4. Anomalous Magnetic Moments of Nucleons and Other Had-drons | 168
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| 4.1. The Charge and Magnetic Form Factors of Nucleons | 168
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| 4.2. Magnetic Moments of Hadrons | 178
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| 4.3. Group-Theoretic Analysis of the Structure of Hadron Multiplets and the Quark Hypothesis | 181
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| 4.4. Determination of Magnetic Moments of Hadrons on the Basis of the Quark Hypothesis | 186
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| Chapter 5. The Magnetic Monopole | 192
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| 1. Introductory Remarks | 192
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| 2. Dirac's Quantization of Magnetic Charges | 194
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| 3. Interaction of a Magnetic Charge with Matter | 207
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| 4. Experimental Search for Monopoles | 211
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| Chapter 6. Non-Linear Quantum-Eleclrodynainic Effects in a Magnetic Field | 220
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| 1. General Considerations | 220
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| 2. Magnetic Bremsstrahlung (Synchrotron Radiation) | 223
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| 3. Pair Production in a Magnetic Field | 225
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| Appendix | 230
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| References | 267
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Sergei Vasilyevich Vonsovsky An outstanding theoretical physicist, specialist in ferromagnetism and quantum theory of solids. Two-time winner of the USSR State Prize. Hero of Socialist Labour. Academician of the USSR Academy of Sciences (Russian Academy of Sciences). Doctor of physical and mathematical sciences, professor. Deputy Director of the Institute of Metal Physics at the Ural Scientific Centre of the USSR Academy of Sciences, founder of the Ural scientific school of magnetism theory.
Awarded three Orders of Lenin, two Orders of the Red Star, the Order of the Red Banner of Labour, two Orders of the Badge of Honour, and the S. I. Vavilov Gold Medal. From 1947, he worked continuously at the Institute of Metal Physics of the USSR Academy of Sciences: head of department, from 1950 — deputy director of the institute, from 1953 — head of laboratory, from 1993 — chief research fellow.
S. V. Vonsovsky's works are devoted to quantum theory of solids, multi-electron theory of metals and semiconductors, theory of ferro- and antiferromagnetism, and superconductivity. In 1941, he developed a method for creating magnetic texture in ferromagnets through thermomechanical processing. He created new technical magnetic materials. He is the author of more than 170 scientific papers and 8 monographs, the main ones being: «Ferromagnetism» (1948, co-authored with Y. S. Shur), «Modern Theory of Magnetism» (1953), «Magnetism» (1971), «Superconductivity of Transition Metals, Their Alloys and Compounds» (1977), «Quantum Physics of Solids» (1983).
