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Description of Problem
Method of Finding the Irreducible Representations
Specification of Symmetry Characteristics
4 other sections not shown
adjacent planes assumed B-Z touch bands basis functions Bloch theorem boundary conditions cell about atom character tables column complex conjugate component considered contain different point coordinate crystal degeneracy degenerate star different point group dimensional representation eigenfunctions electrons equivalent points expressed in terms func functions almost vanish G/T operations given in Table graphite graphite lattice group theory Hence i-r is compatible i-r of G improper rotation investigation k-space lattice translation layer lines of symmetry lowest energy matrix Mrowka mth root number of elements one-electron equation phase factor Phys point group functions point group operations points of symmetry potential reciprocal lattice REPRESENTATIONS 6 Vectors representative points space group spherical harmonics subgroup symmetry characteristics symmetry requirements Table XV time-reversal symmetry tions transformation type A atoms type atoms unit cell Vectors In Star W-S cell wave functions wave vector Wigner zones