Introduction to Solid State Physics |
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Page 74
The upper limit to the integral , wm , is here to be determined by the condition that
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 that
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 ...
Page 247
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 results
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 results
is 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 condition hwi ; » kT ' ; that is ,
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