## Introduction to Solid State Physics |

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Results 1-3 of 66

Page 74

The upper limit to the integral , wm , is here to be determined by the

the number of states considered should come out equal to N = L / a . Now km = a

/ a as before , so that wm = vokm = Tvo / a . In Fig . 5 . 1 we compare the results ...

The upper limit to the integral , wm , is here to be determined by the

**condition**thatthe number of states considered should come out equal to N = L / a . Now km = a

/ a as before , so that wm = vokm = Tvo / a . In Fig . 5 . 1 we compare the results ...

Page 247

kT , of the same form as under the usual

Apply the ... Show that the

is that w « 1 / 1 , where r is the relaxation time of the electrons . Estimate o for

sodium ...

kT , of the same form as under the usual

**conditions**uH « KT « kT r . 12 . 4 * .Apply the ... Show that the

**condition**for the validity of the derivation of the resultsis that w « 1 / 1 , where r is the relaxation time of the electrons . Estimate o for

sodium ...

Page 352

The association of the polarizability with the second order perturbation energy of

a single atomic level i depends for its validity on the

only the ground state i is significantly populated at the temperature considered .

The association of the polarizability with the second order perturbation energy of

a single atomic level i depends for its validity on the

**condition**hwi ; » kT ' ; that is ,only the ground state i is significantly populated at the temperature considered .

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### Contents

LATTICE ENERGY OF IONIC CRYSTALS | 29 |

ELASTIC CONSTANTS OF CRYSTALS | 43 |

LATTICE VIBRATIONS | 60 |

Copyright | |

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alloy applied approximation atoms axes axis band boundary calculated cell chapter charge chloride condition conductivity consider constant crystal cubic defined dependence determined dielectric diffusion direction discussed dislocations displacement distance distribution domains effect elastic electric electron energy equal equation equilibrium example excitation experimental expression factor field force frequency function given gives heat holes interaction ionic ions lattice levels London magnetic magnetic field material mean measurements mechanism metals method molecules motion negative neighbor normal observed obtained parallel particles Phys physical plane polarization positive possible potential problem properties quantum range reference reflection region relation resistivity result room temperature scattering Show shown in Fig sodium solids space specimen stress structure suppose Table temperature theory thermal tion transition unit usually vacancy values volume wave zero