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Manuscript Title: Computation of the independent elements of the dynamical matrix.
Authors: Z.W. Hendrikse, M.O. Elout, W.J.A. Maaskant
Program title: Indep
Catalogue identifier: ADBD_v1_0
Distribution format: gz
Journal reference: Comput. Phys. Commun. 86(1995)297
Programming language: Fortran.
Operating system: UNIX, VAX/VMS.
Word size: 32
Keywords: Lattice dynamics, Dynamical matrix, Group theory, Symmetry, Solid state physics, General purpose, Algebras, Crystal symmetry, Space groups, Interatomic forces.
Classification: 4.2, 7.8.

Nature of problem:
Full use of the symmetry properties in determining the dynamical matrix.

Solution method:
Solving the invariance equation of the dynamical matrix with the use of the singular value decompostion.

Restrictions:
A maximum of twenty atoms per unit cell.

Running time:
Depends heavily on the size of the structure.