## Solid state physics |

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Page 4

Drude applied kinetic theory to this "gas" of conduction electrons of mass m,

which (in contrast to the molecules of an ordinary gas) move against a

background of heavy immobile ions. The density of the

calculated as ...

Drude applied kinetic theory to this "gas" of conduction electrons of mass m,

which (in contrast to the molecules of an ordinary gas) move against a

background of heavy immobile ions. The density of the

**electron gas**can becalculated as ...

Page 32

To justify both the use of the Fermi-Dirac distribution and its bold grafting onto an

otherwise classical theory, we must examine the quantum theory of the

...

To justify both the use of the Fermi-Dirac distribution and its bold grafting onto an

otherwise classical theory, we must examine the quantum theory of the

**electron****gas**.5 For simplicity we shall examine the ground state (i.e., T — 0) of the electron...

Page 338

periodic potential is much more complex, and one is often forced to use the free

electron form of the theory even in discussions of real metals. Suppose a

positively ...

**electron gas**. The detailed theory of screening in the presence of a realisticperiodic potential is much more complex, and one is often forced to use the free

electron form of the theory even in discussions of real metals. Suppose a

positively ...

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### Contents

The Dmle Theory of Metals | 1 |

The Sommerfeld Theory of Metals | 29 |

Failures of the Free Electron Model | 57 |

Copyright | |

48 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 Drude effect electric field electron gas electron-electron electronic levels energy gap equilibrium example Fermi energy Fermi surface Figure frequency given Hamiltonian hexagonal holes impurity independent electron approximation insulators integral interaction ionic crystals ions 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 valence band vanishes velocity wave functions wave vector zero