## 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 7

The net current density is thus given by (1.4), where v is the average electronic

any one direction as in any other, v averages to zero, and, as expected, there is ...

The net current density is thus given by (1.4), where v is the average electronic

**velocity**. In the absence of an electric field, electrons are as likely to be moving inany one direction as in any other, v averages to zero, and, as expected, there is ...

Page 24

It is true that immediately after the temperature gradient is applied there will be a

nonvanishing mean electronic

region. Since the electrons are charged, however, this

electric ...

It is true that immediately after the temperature gradient is applied there will be a

nonvanishing mean electronic

**velocity**directed toward the low-temperatureregion. Since the electrons are charged, however, this

**velocity**will result in anelectric ...

Page 36

The Fermi

evaluated in terms of the conduction electron density, via Eq. (2.21). For

estimating them ...

The Fermi

**velocity**plays a role in the theory of metals comparable to the thermal**velocity**, v = (3kBT/m)112, in a classical gas. All these quantities can beevaluated in terms of the conduction electron density, via Eq. (2.21). For

estimating them ...

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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