THE Feynman IECTURES ON PHYSICS VOLUMEⅢ2025|PDF|Epub|mobi|kindle电子书版本百度云盘下载

THE Feynman IECTURES ON PHYSICS VOLUMEⅢPDF格式电子书版下载

注意：本站所有压缩包均有解压码： 点击下载压缩包解压工具

CHAPTER 1.QUANTUM BEHAVIOR1

1-1 Atomic mechanics1

1-2 An experiment with bullets1

1-3 An experiment with waves3

1-4 An experiment with electrons4

1-5 The interference of electron waves5

1-6 Watching the electrons6

1-7 First principles of quantum mechanics9

1-8 The uncertainty principle11

CHAPTER 2.THE RELATION OF WAVE AND PARTICLE VIEWPOINTS12

2-1 Probability wave amplitudes12

2-2 Measurement of position and momentum13

2-3 Crystal diffraction 15

2-4 The size of an atom16

2-5 Energy levels18

2-6 Philosophical implications19

CHAPTER 3.PROBABILITY AMPLITUDES22

3-1 The laws for combining amplitudes22

3-2 The two-slit interference pattern26

3-3 Scattering from a crystal28

3-4 Identical particles30

CHAPTER 4.IDENTICAL PARTICLES34

4-1 Bose particles and Fermi particles34

4-2 States with two Bose particles36

4-3 States with n Bose particles39

4-4 Emission and absorption of photons40

4-5 The blackbody spectrum41

4-6 Liquid helium45

4-7 The exclusion principle45

CHAPTER 5.SPIN ONE49

5-1 Filtering atoms with a Stern-Gerlach apparatus49

5-2 Experiments with filtered atoms53

5-3 Stern-Gerlach filters in series54

5-4 Base states56

5-5 Interfering amplitudes58

5-6 The machinery of quantum mechanics60

5-7 Transforming to a different base63

5-8 Other situations64

CHAPTER 6.SPIN ONE-HALF66

6-1 Transforming amplitudes66

6-2 Transforming to a rotated coordinate system68

6-3 Rotations about the z-axis71

6-4 Rotations of 180° and 90° about y74

6-5 Rotations about x76

6-6 Arbitrary rotations77

CHAPTER 7.THE DEPENDENCE OF AMPLITUDES ON TIME80

7-1 Atoms at rest； stationary states80

7-2 Uniform motion82

7-3 Potential energy； energy conservation85

7-4 Forces； the classical limit88

7-5 The “precession” of a spin one-half particle89

CHAPTER 8.THE HAMILTONIAN MATRIX93

8-1 Amplitudes and vectors93

8-2 Resolving state vectors95

8-3 What are the base states of the world？97

8-4 How states change with time99

8-5 The Hamiltonian matrix102

8-6 The ammonia molecule103

CHAPTER 9.THE AMMONIA MASER107

9-1 The states of an ammonia molecule107

9-2 The molecule in a static electric field111

9-3 Transitions in a time-dependent field115

9-4 Transitions at resonance117

9-5 Transitions off resonance119

9-6 The absorption of light120

CHAPTER 10.OTHER TWO-STATE SYSTEMS122

10-1 The hydrogen molecular ion122

10-2 Nuclear forces127

10-3 The hydrogen molecule129

10-4 The benzene molecule131

10-5 Dyes133

10-6 The Hamiltonian of a spin one-half particle in a magnetic field133

10-7 The spinning electron in a magnetic field136

CHAPTER 11.MORE TWO-STATE SYSTEMS139

11-1 The Pauli spin matrices139

11-2 The spin matrices as operators143

11-3 The solution of the two-state equations146

11-4 The polarization states of the photon147

11-5 The neutral K-meson150

11-6 Generalization to N-state systems159

CHAPTER 12.THE HYPERFINE SPLITTING IN HYDROGEN163

12-1 Base states for a system with two spin one-half particles163

12-2 The Hamiltonian for the ground state of hydrogen165

12-3 The energy levels169

12-4 The Zeeman splitting171

12-5 The states in a magnetic field174

12-6 The projection matrix for spin one176

CHAPTER 13.PROPAGATION IN A CRYSTAL LATTICE179

13-1 States for an electron in a one-dimensional lattice179

13-2 States of definite energy181

13-3 Time-dependent states184

13-4 An electron in a three-dimensional lattice185

13-5 Other states in a lattice186

13-6 Scattering from imperfections in the lattice188

13-7 Trapping by a lattice imperfection190

13-8 Scattering amplitudes and bound states191

CHAPTER 14.SEMICONDUCTORS192

14-1 Electrons and holes in semiconductors192

14-2 Impure semiconductors195

14-3 The Hall effect198

14-4 Semiconductor junctions199

14-5 Rectification at a semiconductor junction201

14-6 The transistor202

CHAPTER 15.THE INDEPENDENT PARTICLE APPROXIMATION204

15-1 Spin waves204

15-2 Two spin waves207

15-3 Independent particles209

15-4 The benzene molecule210

15-5 More organic chemistry213

15-6 Other uses of the approximation215

CHAPTER 16.THE DEPENDENCE OF AMPLITUDES ON POSITION217

16-1 Amplitudes on a line217

16-2 The wave function221

16-3 States of definite momentum223

16-4 Normalization of the states in x225

16-5 The Schrodinger equation227

16-6 Quantized energy levels230

CHAPTER 17.SYMMETRY AND CONSERVATION LAWS233

17-1 Symmetry233

17-2 Symmetry and conservation235

17-3 The conservation laws239

17-4 Polarized light241

17-5 The disintegration of the A 0243

17-6 Summary of the rotation matrices247

CHAPTER 18.ANGULAR MOMENTUM249

18-1 Electric dipole radiation249

18-2 Light scattering251

18-3 The annihilation of positronium253

18-4 Rotation matrix for any spin257

18-5 Measuring a nuclear spin261

18-6 Composition of angular momentum262

18-7 Added Note 1：Derivation of the rotation matrix267

18-8 Added Note 2：Conservation of parity in photon emission270

CHAPTER 19.THE HYDROGEN ATOM AND THE PERIODIC TABLE271

19-1 Schrodinger’s equation for the hydrogen atom271

19-2 Spherically symmetric solutions272

19-3 States with an angular dependence276

19-4 The general solution for hydrogen280

19-5 The hydrogen wave functions282

19-6 The periodic table283

CHAPTER 20.OPERATORS289

20-1 Operations and operators289

20-2 Average energies291

20-3 The average energy of an atom294

20-4 The position operator296

20-5 The momentum operator297

20-6 Angular momentum302

20-7 The change of averages with time303

CHAPTER 21. THE SCHRODINGER EQUATION IN A CLASSICAL CONTEXT：A SEMINAR ON SUPERCONDUCTIVITY306

21-1 Schrodinger’s equation in a magnetic field306

21-2 The equation of continuity for probabilities308

21-3 Two kinds of momentum309

21-4 The meaning of the wave function311

21-5 Superconductivity312

21-6 The Meissner effect313

21-7 Flux quantization315

21-8 The dynamics of superconductivity317

21-9 The Josephson junction319

CHAPTER34 The Magnetism of Matter324

34-1 Diamagnetism and paramagnetism324

34-2 Magnetic moments and angular momentum326

34-3 The precession of atomic magnets327

34-4 Diamagnetism328

34-5 Larmor’s theorem329

34-6 Classical physics gives neither diamagnetism nor paramagnetism331

34-7 Angular momentum in quantum mechanics331

34-8 The magnetic energy of atoms334

CHAPTER35 Paramagnetism and Magnetic Resonance336

35-1 Quantized magnetic states336

35-2 The Stern-Gerlach experiment338

35-3 The Rabi molecular-beam method339

35-4 The paramagnetism of bulk materials341

35-5 Cooling by adiabatic demagnetization344

35-6 Nuclear magnetic resonance345