## Solid State PhysicsThis book provides an introduction to the field of solid state physics for undergraduate students in physics, chemistry, engineering, and materials science. |

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Page 497

Even in a perfect, pure, and infinite crystal, the stationary states of the harmonic

numbers will ...

Even in a perfect, pure, and infinite crystal, the stationary states of the harmonic

**Hamiltonian**are only approximate stationary states of the full anharmonic**Hamiltonian**, and therefore a state with a definite set of phonon occupationnumbers will ...

Page 680

whose eigenvalues are the same as those of the original

four- state manifold, and whose eigenfunctions give the spin of the corresponding

states. To construct the spin

whose eigenvalues are the same as those of the original

**Hamiltonian**within thefour- state manifold, and whose eigenfunctions give the spin of the corresponding

states. To construct the spin

**Hamiltonian**for a two-electron system, note that ...Page 782

We can express the harmonic

by substituting (L.14) into (23.2). If the identity (L.16) and the orthonormality of the

polarization vectors of a given k, are used, it can be shown that the kinetic ...

We can express the harmonic

**Hamiltonian**in terms of the new oscillator variablesby substituting (L.14) into (23.2). If the identity (L.16) and the orthonormality of the

polarization vectors of a given k, are used, it can be shown that the kinetic ...

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### Contents

The Drude Theory of Metals | 1 |

The Sommerfeld Theory of Metals | 29 |

Failures of the Free Electron Model | 57 |

Copyright | |

49 other sections not shown

### Other editions - View all

Solid State Physics: Advances in Research and Applications, Volume 42 Henry Ehrenreich Limited preview - 1989 |

### Common terms and phrases

alkali atomic band structure Bloch boundary condition Bragg plane Bravais lattice Brillouin zone calculation carrier densities Chapter coefficients collisions conduction band conduction electrons contribution crystal momentum crystal structure density of levels dependence described determined direction Drude effect electric field electron gas electron-electron electronic levels energy gap equilibrium example face-centered cubic Fermi energy Fermi surface Figure free electron theory frequency given Hamiltonian hexagonal holes impurity independent electron approximation insulators integral interaction ionic crystals lattice planes lattice point linear magnetic field metals motion nearly free electron neutron normal modes Note number of electrons one-electron levels orbits periodic potential perpendicular phonon Phys plane waves primitive cell primitive vectors problem properties quantum reciprocal lattice vector region result scattering Schrodinger equation semiclassical semiclassical equations semiclassical model semiconductors simple cubic solid solution specific heat sphere spin superconducting symmetry temperature term thermal tight-binding valence vanishes velocity wave functions wave vector zero