- #1

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ψ

_{n,k}(

**r**) = u

_{n}(

**r**)exp(i

**k⋅r**)

, where u

_{n}has the same periodicity as the potential.

Bloch's theorem is used to calculate energy bands, and my question is:

Does the n in u

_{n}label the different bands of the crystal?

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- I
- Thread starter aaaa202
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- #1

- 1,170

- 3

ψ

, where u

Bloch's theorem is used to calculate energy bands, and my question is:

Does the n in u

- #2

DrDu

Science Advisor

- 6,194

- 843

Yes, exactly

- #3

- 1,170

- 3

- #4

DrDu

Science Advisor

- 6,194

- 843

Try to wrire down the u-n for the empty lattice.

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