## 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 42

The value of N can always be computed, given the /i? by noting that/; is the mean

The value of N can always be computed, given the /i? by noting that/; is the mean

**number of electrons**in the one-electron level20 i. Since the total**number of****electrons**N is just the sum over all levels of the mean number in each level, " = Z/.Page 50

degeneracy, the number of one-electron levels in this volume element is (see (

2.18)) V , , dk. (2.86) The probability of each level being occupied is just/(£(k)),

and therefore the total

degeneracy, the number of one-electron levels in this volume element is (see (

2.18)) V , , dk. (2.86) The probability of each level being occupied is just/(£(k)),

and therefore the total

**number of electrons**in the /c-space volume element is ...Page 317

We define a quantity (dg(k)/dt)out so that the

with wave vectors in the infinitesimal volume element dk about k that suffer a

collision in the infinitesimal time interval dt is (dg(k)\ ^3 dt. (16.3) V dt JOM (2n) ...

We define a quantity (dg(k)/dt)out so that the

**number of electrons**per unit volumewith wave vectors in the infinitesimal volume element dk about k that suffer a

collision in the infinitesimal time interval dt is (dg(k)\ ^3 dt. (16.3) V dt JOM (2n) ...

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### Contents

The Drude Theory of Metals | 1 |

Failures of the Free Electron Model | 57 |

The facecentered cubic elements | 72 |

Copyright | |

34 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 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