and similar equations hold for ]^ ^(z). Entering equation (51) and (52), we arrive 

 at 



FL = AAe-^^^\ 



mn m n 



'^""^. (gTr^tcJco^ ±<^J)UakJ-aJJk) 



- '"^""m -^n"'-^"n"m 



-a., / k-k 



2 /""m -^n'\"n 



2 /j 2 \ m n 





a +a I k -k \ I „r 



2 T^ 2 r T 



2 ,' , '^n ^ . ' m ''n 



r 2 



^ 



sin (a^ +a^)(z-H) + — 



±1 



2 ~ fe^2 V m n 



/e 



^^0 "'n ^"^m- ^^n' 



+ r,, ) T 



'"P - ') 



+ (a„-aj{l ±^jf^^±c.„ib^ («„-«„) 



Tl f^ " 



gro±a.>^±.o„) /grc 



Jco„±ojJ 



k-k I u>„ \ 



±-^^ (a +a)+a,^h-Il -I] 



fa„, + aj(l±^)(a;„±<^„^ 



(65) 



G.-.(0)=- A^A>„±c.„). 



a M +— 5(a„ - aJN + -°- (1+ aJP 



r r 



-a^ai +— ^ (%- V^ -— ^ (1 + a„)P| sin (a„ + aJH 



J^M,La^J-±\AaJ-^]P 



^M.(o^a„-Il!)N-(.„^-I^')p 



(66) 



20 



