
$B%+%$%i%j%F%#5!9=(B (Kawamura '92)

Chirality in SG systems:
frustration:	non-collinear,  canted spin structure

Basic Assumption: 
$B0[J}@-$N$J$$7O$K$*$$$F!"%9%T%s%0%i%9Ca=x$rH<$o$J$$(B$B%+%$%i%k%0%i%9AjE>0\(B$B$,M-8B29EY$G5/$3$k(B

Chirality Driven:
$B<B83E*$K4QB,$5$l$k%9%T%s%0%i%9E>0\$d%9%T%s%0%i%9Aj$N@-<A$O!"$=$N%+%$%i%k%0%i%9E>0\$H%+%$%i%k%0%i%9Aj$N@-<A$G7h$^$k!#(B

Spin-chirality mixing:
$B<'5$0[J}@-$O%+%$%i%k<+M3EY$H%9%T%s<+M3EY$r:.@.$9$kLr3d(B
$B<B83E*$K%+%$%i%k%0%i%9$N@-<A$,%9%T%s%0%i%9$N@-<A$H$7$F8+$($k(B