A. S. Iberall 



P = e-i 



"E r-. 



JW (1 - Cr) + -2. -^o) 



2eCTq/32g' 



1 - a 

 (7 - 0-) q + 2ecrq + 2eCT( 2 + q) — 



jOJ 



^Py^ 



1 - CT 



X = -1 



■(Sg/2a;)x„-''2' 



u = g- 



JOJ ( 1 - cr) + -^ VT^ 



2a) J 



— V jw 



2eo-^2g: 



1 - a 



B3e-(^g/2a.)x ^"'^2'' ^ 



V = R-l 



JW (1 - ct) + -2 ,/JS" 



ja 



^^- i (°-l 



2ea/92g: 



1 - a 

 jaj(l- cr) + ^ vT^ 



e-(Sg/2a;)x g"^2' 



2w, 



B e-(^e/2a))Xe-'^2' 



3"= o-g -2eja;- (7-l+2e ^) VT^ B3 e'C « e/2-)x ^"^2'' ^ 



'. , Sg , " 



joj (1 - a-) + -2 \/j6j 



P = e-1 



2eaq/3^g2 



1 - CJ 



(7 - CT) q + 2ecrq + 2ecr ( 2 + q) — 



VT^ 



1 - cr 



B e-(^g/2«)'' e 2^ 



.^2g: 



Mode /// (terms of order /S^^ are neglected) 



; a,^ = -jcro) - \ + /32 



(7-l)(l-cr-aq) 



2eag2 



1 - CT 



1 + 



(7- l)(l-CT-CTq) 



2eCTg- 



1 - ctJ 



•j V 1 



2ctc 



(7- l)(l-CT-CTq) c^2 



2eCTg' 



1 - CT J 



2CTaj 



718 



