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Why the name Reciprocal lattice ?

  1. Jul 23, 2009 #1
    Why the name Reciprocal lattice ?? Is it because the dimensions get bigger & we are able to understand the structure on a macro level & removing the infinities that occur in h, k, l plane system ??
     
  2. jcsd
  3. Jul 24, 2009 #2
    Re: LAttice

    Look at the units, they are reciprocal of length. The reciprocal lattice vectors are defined by [tex]a_i \cdot g_j = 2\pi \delta_{i,j}[/tex] so g has to have units that are the inverse of a, and the g vectors for a lattice.
     
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