Programs in Physics & Physical Chemistry
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|Manuscript Title: Generation and inter-correlation of basis sets in implementing the unitary group approach to U(n) x SU(m).|
|Authors: R.D. Kent, M. Schlesinger|
|Program title: GENBIN, PATERN|
|Catalogue identifier: ACCR_v1_0|
Distribution format: gz
|Journal reference: Comput. Phys. Commun. 33(1984)367|
|Programming language: IBM Assembler, Fortran.|
|Computer: IBM 3031.|
|Operating system: OS/MVS.|
|RAM: 25K words|
|Word size: 32|
|Keywords: General purpose, Algebras, Unitary group, Spectroscopy, Ordered lists, Assembler, Pattern recognition.|
Nature of problem:
GENBIN - generates a complete list of basis functions, represented as binary strings, of a partition of U(n) x SU(m). PATERN - determines the positions of differing entries in two binary strings generated by GENBIN. This is done for the analysis of complex spectra using the unitary group methods.
GENBIN - use of bit masking and string comparison.
PATERN - use of logical AND and exclusive OR operations between pairs of strings.
GENBIN - as given the program does not treat mixed configurations.
PATERN - none.
Depends on input parameters.
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