What is included with this book?
Preface | p. xiii |
Acknowledgments | p. xv |
About the Author | p. xvii |
Introduction | p. 1 |
Why Quantum Mechanics? | p. 1 |
Photoelectric Effect | p. 1 |
Wave-Particle Duality | p. 2 |
Energy Equations | p. 3 |
The Schrödinger Equation | p. 5 |
Simulation of the One-Dimensional, Time-Dependent Schrödinger Equation | p. 7 |
Propagation of a Particle in Free Space | p. 8 |
Propagation of a Particle Interacting with a Potential | p. 11 |
Physical Parameters: The Observables | p. 14 |
The Potential V(x) | p. 17 |
The Conduction Band of a Semiconductor | p. 17 |
A Particle in an Electric Field | p. 17 |
Propagating through Potential Barriers | p. 20 |
Summary | p. 23 |
Exercises | p. 24 |
References | p. 25 |
Stationary States | p. 27 |
The Infinite Well | p. 28 |
Eigenstates and Eigenenergies | p. 30 |
Quantization | p. 33 |
Eigenfunction Decomposition | p. 34 |
Periodic Boundary Conditions | p. 38 |
Eigenfunctions for Arbitrarily Shaped Potentials | p. 39 |
Coupled Wells | p. 41 |
Bra-ket Notation | p. 44 |
Summary | p. 47 |
Exercises | p. 47 |
References | p. 49 |
Fourier Theory in Quantum Mechanics | p. 51 |
The Fourier Transform | p. 51 |
Fourier Analysis and Available States | p. 55 |
Uncertainty | p. 59 |
Transmission via FFT | p. 62 |
Summary | p. 66 |
Exercises | p. 67 |
References | p. 69 |
Matrix Algebra in Quantum Mechanics | p. 71 |
Vector and Matrix Representation | p. 71 |
State Variables as Vectors | p. 71 |
Operators as Matrices | p. 73 |
Matrix Representation of the Hamiltonian | p. 76 |
Finding the Eigenvalues and Eigenvectors of a Matrix | p. 77 |
A Well with Periodic Boundary Conditions | p. 77 |
The Harmonic Oscillator | p. 80 |
The Eigenspace Representation | p. 81 |
Formalism | p. 83 |
Hermitian Operators | p. 83 |
Function Spaces | p. 84 |
Appendix: Review of Matrix Algebra | p. 85 |
Exercises | p. 88 |
References | p. 90 |
A Brief Introduction to Statistical Mechanics | p. 91 |
Density of States | p. 91 |
One-Dimensional Density of States | p. 92 |
Two-Dimensional Density of States | p. 94 |
Three-Dimensional Density of States | p. 96 |
The Density of States in the Conduction Band of a Semiconductor | p. 97 |
Probability Distributions | p. 98 |
Fermions versus Classical Particles | p. 98 |
Probability Distributions as a Function of Energy | p. 99 |
Distribution of Fermion Balls | p. 101 |
Particles in the One-Dimensional Infinite Well | p. 105 |
Boltzmann Approximation | p. 106 |
The Equilibrium Distribution of Electrons and Holes | p. 107 |
The Electron Density and the Density Matrix | p. 110 |
The Density Matrix | p. 111 |
Exercises | p. 113 |
References | p. 114 |
Bands and Subbands | p. 115 |
Bands in Semiconductors | p. 115 |
The Effective Mass | p. 118 |
Modes (Subbands) in Quantum Structures | p. 123 |
Exercises | p. 128 |
References | p. 129 |
The Schrödinger Equation for Spin-1/2 Fermions | p. 131 |
Spin in Fermions | p. 131 |
Spinors in Three Dimensions | p. 132 |
The Pauli Spin Matrices | p. 135 |
Simulation of Spin | p. 136 |
An Electron in a Magnetic Field | p. 142 |
A Charged Particle Moving in Combined E and B Fields | p. 146 |
The Hartree-Fock Approximation | p. 148 |
The Hartree Term | p. 148 |
The Fock Term | p. 153 |
Exercises | p. 155 |
References | p. 157 |
The Green's Function Formulation | p. 159 |
Introduction | p. 160 |
The Density Matrix and the Spectral Matrix | p. 161 |
The Matrix Version of the Green's Function | p. 164 |
Eigenfunction Representation of Green's Function | p. 165 |
Real Space Representation of Green's Function | p. 167 |
The Self-Energy Matrix | p. 169 |
An Electric Field across the Channel | p. 174 |
A Short Discussion on Contacts | p. 175 |
Exercises | p. 176 |
References | p. 176 |
Transmission | p. 177 |
The Single-Energy Channel | p. 177 |
Current Flow | p. 179 |
The Transmission Matrix | p. 181 |
Flow into the Channel | p. 183 |
Flow out of the Channel | p. 184 |
Transmission | p. 185 |
Determining Current Flow | p. 186 |
Conductance | p. 189 |
Büttiker Probes | p. 191 |
A Simulation Example | p. 194 |
Exercises | p. 196 |
References | p. 197 |
Approximation Methods | p. 199 |
The Variational Method | p. 199 |
Nondegenerate Perturbation Theory | p. 202 |
First-Order Corrections | p. 203 |
Second-Order Corrections | p. 206 |
Degenerate Perturbation Theory | p. 206 |
Time-Dependent Perturbation Theory | p. 209 |
An Electric Field Added to an Infinite Well | p. 212 |
Sinusoidal Perturbations | p. 213 |
Absorption, Emission, and Stimulated Emission | p. 215 |
Calculation of Sinusoidal Perturbations Using Fourier Theory | p. 216 |
Fermi's Golden Rule | p. 221 |
Exercises | p. 223 |
References | p. 225 |
The Harmonic Oscillator | p. 227 |
The Harmonic Oscillator in One Dimension | p. 227 |
Illustration of the Harmonic Oscillator Eigenfunctions | p. 232 |
Compatible Observables | p. 233 |
The Coherent State of the Harmonic Oscillator | p. 233 |
The Superposition of Two Eigentates in an Infinite Well | p. 234 |
The Superposition of Four Eigenstates in a Harmonic Oscillator | p. 235 |
The Coherent State | p. 236 |
The Two-Dimensional Harmonic Oscillator | p. 238 |
The Simulation of a Quantum Dot | p. 238 |
Exercises | p. 244 |
References | p. 244 |
Finding Eigenfunctions Using Time-Domain Simulation | p. 245 |
Finding the Eigenenergies and Eigenfunctions in One Dimension | p. 245 |
Finding the Eigenfunctions | p. 248 |
Finding the Eigenfunctions of Two-Dimensional Structures | p. 249 |
Finding the Eigenfunctions in an Irregular Structure | p. 252 |
Finding a Complete Set of Eigenfunctions | p. 257 |
Exercises | p. 259 |
References | p. 259 |
Important Constants and Units | p. 261 |
Fourier Analysis and the Fast Fourier Transform (FFT) | p. 265 |
The Structure of the FFT | p. 265 |
Windowing | p. 267 |
FFT of the State Variable | p. 270 |
Exercises | p. 271 |
References | p. 271 |
An Introduction to the Green's Function Method | p. 273 |
A One-Dimensional Electromagnetic Cavity | p. 275 |
Exercises | p. 279 |
References | p. 279 |
Listings of the Programs Used in this Book | p. 281 |
Chapter 1 | p. 281 |
Chapter 2 | p. 284 |
Chapter 3 | p. 295 |
Chapter 4 | p. 309 |
Chapter 5 | p. 312 |
Chapter 6 | p. 314 |
Chapter 7 | p. 323 |
Chapter 8 | p. 336 |
Chapter 9 | p. 345 |
Chapter 10 | p. 356 |
Chapter 11 | p. 378 |
Chapter 12 | p. 395 |
Appendix B | p. 415 |
Index | p. 419 |
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