aAt 



- _i((, giTT(mo-in) ^-i7T(mo-m) _^iTr(mo-m) 



^iTT(mQ-m)/N -iTT(mo-m)/N _ iTT(mQ-in)/N 





-i7i"(mg+m)/N i7T(mQ+m3/N -i7r(mQ+m)/N 



aAt 

 2 



r i{7T m^d-i) - <},} - i{TT m(l-|)} ^^" ^^'"q-'"^ 

 L sin TT(m_-m) 



/N 



^ ^-i{7T mo(l-^) - cf,} - i{TT m(l~)} sin ^(mQ+m) -| 



sin IT (m+m)/N J 



aAt f i 



(a-3) sin TTCmQ-ni) -i(a-3) sin TT(mo+m) 



sin •n-(mQ-m)/N 



TT(,mo+mJ 1 

 Tr(mQ+in)/N J 



with 



a = ™o(l-M^ 



6 = Timil-^) 



(B-4) 



(B-5) 



Hence, A^ can be written in terms of real and imaginary parts as: 



. aAt fsin TrCmn-m) sin Tr(mn+m) l 



\i = T \-- — ^r WK, cos(a-6) + " , cos(a+3) 



^ Lsin TT(mQ-m)/N sm TT(mQ+m)/N J 



. aAt 



sin iT(mQ-m) sin irOnn+m) 



sin(a-6) : — -^—^ — ^-777 sin(a+6) 



.sin TT(m -m)/N 



sin 7T(m„+m)/N 



(B-6) 



It follows that: 



2 = I aAt y 



\^n\'={ 



2 J 



sin^ TTCmg-m) sin^ 7T(mQ+m) 



sin^ TT(mQ-m)/N sin^ TrCmr,+m)/N 



89 



