Quote: a solid conducts electricity by propagating a wave packet of probability amplitudes from atom to atom

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How can we represent a situation that we … region--so that it is more likely to be … [along a one- dimensional lattice of atoms]? We can do that by making a superposition of several … [to the stationary states (i.e. states of definite energies) for the probability amplitude to move from atom to atom] … with slightly different values of k--and therefore, slightly … So we can make up a "wave packet" … superposition of stationary states, the amplitudes with different … pattern of the total [amplitude] will, therefore, also … the peaks of the beats … move with the speed we have called the … An electron state which is a [wave packet] … will move along our one-dimensional "crystal" … the energy of such an electron is proportional … [p. 13-7] Don't forget that [the effective mass] has nothing to … it often [is] … about 2 to 20 times the free-space mass … an extra electron put into germanium) can ride … atoms. It does so by having its amplitude … how a solid can conduct electricity.   Google-1   Google-2

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Topic: electricity and magnetism (50 items)