Commit 5259f41b authored by Anton Akhmerov's avatar Anton Akhmerov
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typo fix

parent 28bb614e
......@@ -125,7 +125,7 @@ In semiconductors the Fermi level is between two bands. The unoccupied band is t
We can control the position of the Fermi level (or create additional excitations) making semiconductors conduct when needed.
Only the bottom of the conduction band has electrons and the top of the valence band has holes because the temperature is always smaller than the width of the band.
Only the bottom of the conduction band has electrons and the top of the valence band has holes because the temperature is always smaller than the size of the band gap.
Therefore we can approximate the dispersion relation of both bands as parabolic.
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