The energy ɛ, for band electrons as a function of the wave vector k in the first Brillouin zone

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The energy ɛ, for band electrons as a function of the wave vector k in the first Brillouin
<ks
of a one dimensional monoatomic lattice is shown as (a is lattice
zone
a
Ek
constant)
πια
Tla
The variation of the group velocity v, is most appropriately represented
Transcribed Image Text:The energy ɛ, for band electrons as a function of the wave vector k in the first Brillouin <ks of a one dimensional monoatomic lattice is shown as (a is lattice zone a Ek constant) πια Tla The variation of the group velocity v, is most appropriately represented
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