Calculation of Diagonal Force Constants by the Stepwise Coupling Method: M.P.E.M. (Matrix Polynomial Expansion Method)

Abstract

A l a i n J.P.ALIX(a Benjamin Van d e r VEKEN(b), S a d a o ISOTANI(C) a n d M i c h e l MANFAIT(a) ( a ) L a b o r a t o i r e deRecherches O p t i q u e s , F a c u l t 6 d e s S c i e n c e s , B P 3 4 7 , 51062 REIMS-CEDEX ( F r a n c e ) . ( b ) R i j k s u n i v e r s i t a i r Centrum, L a b o r a t o r i u m v o o r A n o r g a n i s c h e S c h e i k u n d e , G r o e n e n b o r g e r l a a n 1 7 1 , 2020 Antwerpen ( B e l g i u m ) .( c ) I n s t i t u t o d e F i s i c a d a Universida.de d e SBo P a u l o , SbO PAULO, C.P. 20516 ( B r a s i l ) . ( * ) A u t h o r t o whom a l l c o r r e s p o n d e n c e s h o u l d b e a d d r e s s e d .