## Electronic energy bands in solids |

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### Contents

The oneelectron wavefunctions in crystals | 11 |

Formalism of band theory | 51 |

Dynamics of carriers in crystals | 73 |

Copyright | |

2 other sections not shown

### Common terms and phrases

atomic orbitals augmented plane wave axes band edge band structure band theory basis functions Bloch functions Bravais lattice Brillouin zone calculation centred classes coefficients conduction band considered constant energy surfaces core corresponding crystal momentum cubic group curves degeneracy degenerate density determined diamond structure direction effective mass eigenvalues energy bands energy gap energy levels equivalent example Fermi level Fermi surface free electron approximation gradk Hamiltonian Hartree-Fock hole illustrated in Fig instance integral inversion irreducible representations k-points k-space linear combinations localised magnetic field matrix elements metals method momentum eigenfunctions nearly free electron non-degenerate normalised obtained one-dimensional one-electron operations orthogonal orthogonalised plane waves perpendicular perturbation plane waves point group pseudopotential reciprocal lattice vector reciprocal space rotation Section semiconductors sphere spherical harmonics spin symmetry tight binding unit cell valence band values velocity Wannier functions wave vector wavefunctions Wigner-Seitz cell zincblende zincblende structure zone boundary