【目 录】
1 Ideas and principles //1
Quantum world //1
Probability waves //3
Physica1 operators //6
Noncommutative physics //10
Moment of momentum //14
Perturbation theory //19
Factorization //21
Oscillator //23
Quantum numbers //27
2 Physics of the electron //31
Hydrogen atom //31
Bohr's formula //33
Matrix elements //37
Dirac's equation //38
Relativistic invariance //43
Spin one-half //46
Pauli's theory //52
Elementary consequences //57
Useful definitions //61
Positrons //63
Fine structure //64
Solution according to factorization //68
Magnetic interaction //71
Landau levels //74
Anharmonicity //76
3 Theory of anharmonicity //79
Model Hamiltonian //79
Perturbation method //82
Inclusion of degenerate levels //86
Polynomial formalism //89
Ensemble of anharmonic oscillators //94
General equations //97
Physical interpretation //99
Rules for polynomials //101
Quantum functions //104
Other anharmonic models //106
Morse potential //107
Generalized Morse problem //110
4 Quantum fields //115
Creation and destruction operators //115
Free scalar field //120
Quantization of electromagnetic field //126
Fermi's ideology //128
Electron- positron Dirac field //133
Interaction picture //138
Solution according to perturbation theory //144
Normal product //147
Ultraviolet divergences //152
Regularization of interaction energy //152
5 Radiative corrections //159
Renormalization of mass //159
Anomalous magnetic moment of the electron //165
On the history of radiative corrections //172
Bethe's formula //173
Electromagnetic shift of atomic levels //177
Vacuum polarization //185
Renormalization of charge //192
Dirac's ideas and quantum field theory //193
Bibliography //197