513.001 Molecular and Solid State Physics

Return to
problem list

Wolfram Alpha

Physical
Constants

Periodic System
of Elements

      

MIT 8.231 Physics of Solids, 2.4

a) Why are there fewer reciprocal lattice points G in a given volume of Fourier space if the unit cell of the crystal lattice is primitive than if the unit cell is non-primitive?

b) In view of a), how can the allowed reflections from a given structure be independent of the choice of the unit cell of the crystal lattice?