!"# $$%&" # ' $($ ) *+ &"&) ( )* ) ,- ./0.12, ! 034.5,-.6,35 73 034.57./890:/,./7-;.2-<3.9.=-/910:8-4-7 2,.8/>?,.2,04- 07-4 91010113401/804-130/ /<@/3403->017,0/0@902A02-017?,.3-/-6 -13/ 910) 17-9< 1 03,7-? 997. -1/.1/04-.1 .99. -3-4/9-4012-/04-±B C!<19-//3,-4?./-13-7 B $ B $ B &" B &" $ D $ &" &" D $ D E $ &" D B &" E B $ BB $ &" B &" B B !"# ;-406-?-4.//.803.1-43 $ -0A+4?047<44-13-43 E 13.1<</+4?047<44-13-43 -403.16 .1-04+4 B-43 B -;-4/-(9306--43 ( 8-403.16- 8-403<4-016- 3F 3406-- 8-403<4-016- 3F 97-4- 8-403<4-D.12,-9?-03.16901-4-217/03BD $ %!"# µ27 ;-406- < .1</13-1/.3: D -0A .//.1$0;-9-163, λ8 D 1 GB 8-23409 .1-09$.73, ∆λ B 1 GB .1013$0;-9-163, λ7 DE 1 GB +4?047(9306--43 ( -;-4/-<44-13-43 < .1</13-1/.3:"032,.1603. GB >D<3: B BD ( GB B B ( G µ (G( B GB >D<3: 3- < .1</ .13-1/.3: ./ -0/<4-7 ?.3, 0 9.6,3 /-1/4 017 .93-4 2 @.103.1 3,03 08845. 03-/3,- ./.113-4103.109- H290.406-!-:-4-/81/-2<4;- & $ %