Solve dynamical matrices

The subroutine write_eigenvalue contains the several subroutines to solve dynamical matrices repeatedly along with the list of Q-points. What we should know is the extended supercell. The extended supercell is the supercell with the circumference and the center of the extended supercell is the focused atom where an element of a dynamical matrix is calculated. The extended supercell is used to balance the force constant weight.

togo 2009-02-12
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