An introduction to advanced quantum physics
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書誌事項
An introduction to advanced quantum physics
John Wiley and Sons, 2010
- : hbk
- : pbk
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注記
Includes bibliographical references and index
内容説明・目次
- 巻冊次
-
: pbk ISBN 9780470686751
内容説明
An Introduction to Advanced Quantum Physics presents important concepts from classical mechanics, electricity and magnetism, statistical physics, and quantum physics brought together to discuss the interaction of radiation and matter, selection rules, symmetries and conservation laws, scattering, relativistic quantum mechanics, apparent paradoxes, elementary quantum field theory, electromagnetic and weak interactions, and much more. This book consists of two parts:
Part 1 comprises the material suitable for a second course in quantum physics and covers:
Electromagnetic Radiation and Matter
Scattering
Symmetries and Conservation Laws
Relativistic Quantum Physics
Special Topics
Part 2 presents elementary quantum field theory and discusses:
Second Quantization of Spin 1/2 and Spin 1 Fields
Covariant Perturbation Theory and Applications
Quantum Electrodynamics
Each chapter concludes with problems to challenge the students' understanding of the material.
This text is intended for graduate and ambitious undergraduate students in physics, material sciences, and related disciplines.
目次
Preface ix
PART 1 Relativistic Quantum Physics 1
1 Electromagnetic Radiation and Matter 3
1.1 Hamiltonian and Vector Potential 3
1.2 Second Quantization 10
1.2.1 Commutation Relations 10
1.2.2 Energy 12
1.2.3 Momentum 17
1.2.4 Polarization and Spin 19
1.2.5 Hamiltonian 23
1.3 Time-Dependent Perturbation Theory 24
1.4 Spontaneous Emission 28
1.4.1 First Order Result 28
1.4.2 Dipole Transition 30
1.4.3 Higher Multipole Transition 32
1.5 Blackbody Radiation 36
1.6 Selection Rules 39
Problems 44
2 Scattering 49
2.1 Scattering Amplitude and Cross Section 49
2.2 Born Approximation 52
2.2.1 Schroedinger Equation 52
2.2.2 Green's Function Formalism 52
2.2.3 Solution of the Schroedinger Equation 55
2.2.4 Born Approximation 58
2.2.5 Electron-Atom Scattering 59
2.3 Photo-Electric Effect 63
2.4 Photon Scattering 67
2.4.1 Amplitudes 67
2.4.2 Cross Section 72
2.4.3 Rayleigh Scattering 73
2.4.4 Thomson Scattering 75
Problems 78
3 Symmetries and Conservation Laws 81
3.1 Symmetries and Conservation Laws 81
3.1.1 Symmetries 81
3.1.2 Conservation Laws 82
3.2 Continuous Symmetry Operators 84
3.2.1 Translations 84
3.2.2 Rotations 86
3.3 Discrete Symmetry Operators 87
3.4 Degeneracy 89
3.4.1 Example 89
3.4.2 Isospin 90
Problems 91
4 Relativistic Quantum Physics 93
4.1 Klein-Gordon Equation 93
4.2 Dirac Equation 95
4.2.1 Derivation of the Dirac Equation 95
4.2.2 Probability Density and Current 101
4.3 Solutions of the Dirac Equation, Anti-Particles 104
4.3.1 Solutions of the Dirac Equation 104
4.3.2 Anti-Particles 108
4.4 Spin, Non-Relativistic Limit and Magnetic Moment 111
4.4.1 Orbital Angular Momentum 111
4.4.2 Spin and Total Angular Momentum 112
4.4.3 Helicity 114
4.4.4 Non-Relativistic Limit 116
4.5 The Hydrogen Atom Re-Revisited 120
Problems 124
5 Special Topics 127
5.1 Introduction 127
5.2 Measurements in Quantum Physics 127
5.3 Einstein-Podolsky-Rosen Paradox 129
5.4 Schroedinger's Cat 133
5.5 The Watched Pot 135
5.6 Hidden Variables and Bell's Theorem 137
Problems 140
PART 2 Introduction to Quantum Field Theory 143
6 Second Quantization of Spin 1/2 and Spin 1 Fields 145
6.1 Second Quantization of Spin 1/2 Fields 145
6.1.1 Plane Wave Solutions 145
6.1.2 Normalization of Spinors 146
6.1.3 Energy 148
6.1.4 Momentum 151
6.1.5 Creation and Annihilation Operators 151
6.2 Second Quantization of Spin 1 Fields 155
Problems 159
7 Covariant Perturbation Theory and Applications 161
7.1 Covariant Perturbation Theory 161
7.1.1 Hamiltonian Density 161
7.1.2 Interaction Representation 165
7.1.3 Covariant Perturbation Theory 168
7.2 W and Z Boson Decays 171
7.2.1 Amplitude 171
7.2.2 Decay Rate 173
7.2.3 Summation over Spin 174
7.2.4 Integration over Phase Space 179
7.2.5 Interpretation 181
7.3 Feynman Graphs 183
7.4 Second Order Processes and Propagators 185
7.4.1 Annihilation and Scattering 185
7.4.2 Time-Ordered Product 187
Problems 193
8 Quantum Electrodynamics 195
8.1 Electron-Positron Annihilation 195
8.2 Electron-Muon Scattering 201
Problems 204
Index 207
- 巻冊次
-
: hbk ISBN 9780470686768
内容説明
This book is intended for undergraduates who take a third and fourth quarter of quantum physics, and thus limits itself to those topics that are absolutely necessary for understanding elementary particle physics and condensed matter. The book consists of two parts: the first part presents radiation theory, scattering, symmetries, relativistic quantum physics, and special topics; the second part presents second quantization, covariant perturbation theory, and simple applications to the weak interaction and quantum electrodynamics.
目次
Preface. PART 1 Relativistic Quantum Physics. 1 Electromagnetic Radiation and Matter. 1.1 Hamiltonian and Vector Potential. 1.2 Second Quantization. 1.3 Time-Dependent Perturbation Theory. 1.4 Spontaneous Emission. 1.5 Blackbody Radiation. 1.6 Selection Rules. 2 Scattering. 2.1 Scattering Amplitude and Cross Section. 2.2 Born Approximation. 2.3 Photo-Electric Effect. 2.4 Photon Scattering. 3 Symmetries and Conservation Laws. 3.1 Symmetries and Conservation Laws. 3.2 Continuous Symmetry Operators. 3.3 Discrete Symmetry Operators. 3.4 Degeneracy. 4 Relativistic Quantum Physics. 4.1 Klein-Gordon Equation. 4.2 Dirac Equation. 4.3 Solutions of the Dirac Equation, Anti-Particles. 4.4 Spin, Non-Relativistic Limit and Magnetic Moment. 4.5 The Hydrogen Atom Re-Revisited. 5 Special Topics. 5.1 Introduction. 5.2 Measurements in Quantum Physics. 5.3 Einstein-Podolsky-Rosen Paradox. 5.4 Schrodinger s Cat. 5.5 The Watched Pot. 5.6 Hidden Variables and Bell s Theorem. PART 2 Introduction to Quantum Field Theory. 6 Second Quantization of Spin 1/2 and Spin 1 Fields. 6.1 Second Quantization of Spin 1/2 Fields. 6.2 Second Quantization of Spin 1 Fields. 7 Covariant Perturbation Theory and Applications. 7.1 Covariant Perturbation Theory. 7.2 W and Z Boson Decays. 7.3 Feynman Graphs. 7.4 Second Order Processes and Propagators. 8 Quantum Electrodynamics. 8.1 Electron-Positron Annihilation. 8.2 Electron-Muon Scattering. Index.
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