! " # $ % $ $ & #'() #* ! ) + # $ % $ $ ,- . %#')/ 012$" # $ % $ $ 1 3 4)(')* 0 2$" 5*) 0 1#*65( 1) 7*8 #( 5*89)/ 814 8* 18151) :& 8)* ) #* 1) 7*:(:;4 : )((8*; ;/:5* <#9) %/:%#;#18:* 98# %) 1/#((4 # )()/#1) )17: :& : )*1 : " #* %(81 1)% %#/#6:(8 )=5#18:* %)" $ 1! # ,> 6 - *#06:?(5 @ A "
1 B ) C 9 , D 1 ! 1 B , D 1 ! 1 B >E > 4 $ -$ $ & #'() #* D C 2 , -$ $ ,- . %#')/ 012$" 4 $ -$ $ 1 3 4)(')* 0 2$" 5*) 0 1#*65( 1)'*0' 2*09)/ 01) 0 &)* 60(0 ()/0 )* 1012 2 4)/ #(;# 8 4#48(8 8*8* %)'1/#( 78F(#* 8/8( 8G : )*1 )1: 5 : " 9) # 8 # 8 %#/#6:(0' )*'() %)" 4H*1) ()/04() : )(()* ) 0 4C. . ( 1 B # ,> 6 - *#06:?(5 @ A
# '*:<() ;) )*1 ! " # # $# # % & # # # ' ()* # # ! & & # # , I # ,> 6 - *#06:?(5
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
4 9 4 " 99
A$ :* (5 8:* #* 8 5 8:* @@
/)&)/)* ) @K
(8 1 :& #66/)98#18:* ?. @ ? . ! @ ! 6 > @ > # 6 ?! @ 1? ! # ' ?! @ ' 1? ! # ! @ ! 6 @ 6 !A! @ ! # A ! . @ . ) ?! @ ) = 1? ! # ! ! @ ! # ! A' @ 1 # )B @ ) B " A' @ " 1 1 # '' @ ' 1' & 6 )A @ ) A $! @ $ ! $ @ $ ! @ B$ @ B $# "A" . @ " , @ ,1 + @ +1 4 @ 41 ?. @ ? . ' @ ' # ' @ ' # $ @ $ @ & 6 !! @ ! ! # $ < @ $ <
(8 1 :& 1#6()
% + *
1 , $ @ $ > :
(8 1 :& &8;5/) % + * & + $ @ $ 1 7 & + $ @ 0 2 $# + # C; CD =E FG =E G # = 0&2 '' # =C= ; $# # " & # & # C; $# =C=; 0=; 2 0 2 $# =C=;HI= 0=;HI= 2 & '' ,4 & + $ @ # 0 2 0&2 ,9 & + $A @ ! ,/ & + $@ @ $# & ,3 & + $ @ # '' # ,7 & + $K $ @ . 1 ? @ $# # # ,7 & + $ @ ! # # & # & # 6 : ,: 4;!>= ,8 & + $ @ & +9 & + $ @ # ! ! & ! ! # 4, & + $ @ /;J . = 4, & + $A @ /;J 1 . = 0ε C 3: KC; ;;, 1 2 4+ & + $@ @ /;J 1 . = 0ε C : KC,;14 #1 2 4+ & + $ @ +; J . = 44 & + $K @ # # +; J . = 44 & + $ @ = 49 & + $L @ & # # # 4: & + $ @ ' 43
& + $ @ ;0+2 # # 9; & + $ @ :;;J . = 9: & + $ @ ! :;;J . = 9: & + $ A @ $ @ # # +;; # # 9/ & + $ @ @ :;;J . ) 1 = 9/ & + $ @ ! :;;J . ) 1 = 93 & + $ K @ $ @ # # +;; # # 97 & + $ @ ! . = 97 & + $ L @ $ @ $ ) . # # ,9; ,7; # # 97 & + $ @ ! 1 ) = 98 & + $ @ 1 :;;J 98 & + $ @ :;;J # = # 0 @ 1 . ' @ .2 :; & + $ @ $ @ $ ) . # :, & + $ A @ $ +1# ) = ,; !>= 0' @ ' ? . #@ '' . #1 @ ' ? 1 . 2 :, & + $ @ @ ! 1 # 1 1 # # # 4;; :+ & + $ @ $ # = : !>= :+ & + $ K @ $ # = : !>= :4 & + $ @ ' # 1 # 0 : + # : + # 2 6 0 2 @ # ,;!>= & ' ? 0&2 & @ # ,:!>= & ' ? 0 2 - # @ # ,;!>= & < & $ < 0 2 - # & @ # ,;!>= & < & $ < :9
(8 1 :& 4 6:( r @ > r @ ! L r @ r @ ! M @ N @ ' J @ < # O @ ! & P @ K @ . Q @ & @ 6 R= @ - = R @ > # = S; @ 1 ; @ 1 & T @ 6 = @ = 0 2 > > >= @ = 0 2 @ -D @ ! # #
4)/ #(;# 8 4#48(8 8*8* %)'1/#( 78F(#* 8/8( 8G : )*1 )1: 5 : " 9) # 8 # 8 %#/#6:(0' )*'() 4H*1) ()/04() %)" : )(()* ) 0 HF)1 ? U VW V V V V ! ! 0!A!2 V V & 0'' 2 V W U WV W V V VW V V V & 0' ' & 6 '' 2
V V V V & W V & X &
& W UX=Y Y Y Z U VW & X $ X Y V V V V '' Z V UV V U U V X= V ? Z & '' U & W VU ZV V V V & [ V V V & W VZV ZV V V V V V & U = V 0 & 2 & U ZV V V ? = V V & V & ? W >V= V X YWY Y 0> 2 $ > V Y = V W # & '' UV = Y Y= Y Y= # Y= YW \ Z W V V # X= (> Y= 1& V V V V V U Y & X ! ! WV = V V W V Y V & X ! ! Y ) V & Z V & V ] V V ) & V # V V Y= W Y W V V # V V V V Y= V V & & Z YUY U V V & W V Y= V V V W UX=Y V V V V V V V
& VWV VZV X V & V &
& ! ! UX=Y Y & V VZV U V
V V V V U & # Y V
! ! Z UX=Y 0 1
6 2 0! 1!
6 2 W > !
Y UV UX=Y
& U & > = & V Z Y V V & ! ! V W * 1) X 0*)[2 & # = VZV X Y * & V U V V X V Y= ^ V Y XW VW V V V UX=Y ? # & X= V V X V V V ] X V Z V V & & Z X V Z # V V * V Z X V V # V V Y= V V & & Z V # V V * 1 X & U #V= V U Z X Y ?X Z & V V = ZV Y= W Z Z XW Y= Z V V ?X " Y= & U # "+ # W Y= U # V V & Y WV WV V * 1) [X # #V= V # U ' >V= V V VW * 1 ) [X W W ? X ) V U V V W W Z W ? U V # & V V V V Z V UY Y &
# & X & X V & Z
& ? V & ZV V V Z = V > # &V & V UV V V V V V V V U = Z V ? U VW 1 X # '' # V Y=Y W Y= U V VW V U & Z X= W ' #V= V V VW ! ! X U Z X= W '' UX=Y Y VZV V V V V V U V & Z X W
;/:5* <#9) %/:%#;#18:* 98# %) 1/#((4 # )()/#1) )17: :& : )*1 : " #* %(81 1)% %#/#6:(8 )=5#18:* %)" 5 #/4 # ! # ! 0! !2 ' ' & 6 0'' 2 ' 1' & 6 0'' 2 # # # # # # '' 6 # # # & 6 1 # 0 2 # & '' & & $# & # # & # # & > = ? & # & 0 $2 $ # &
& '' & 1&
0 6 (> & 2 & 1 # & # # \ # = ! ! & # & # # ! ! & 6 & # 6 $# 6 & ! ! # 6 # 6 0 2 6 0! 2 $# 6 # # & ! ! # 6 & $# & # = # 6 & & 6 & = & = $# # & = # # $# 1? ! # # & # # 1 # # # # # & # # # & & $# # B ?! # # # & # > # # # # & # & " # " # $# # 6 # # A0"2 $ & # 1& # # # )
# # ' % & = & # & & # ? # # > & # & # > # ?! & "+ # 1 "+ 1 & $# # & # # ?! 1 & # 1? # # & & # ''
# & & # # # # & #
' ? ! # # & &
# & # # # & #
$ 8*1/: 5 18:* - # #% # # & # # & # & &_ # & # +; ' # # # & & # # # $# # & $# 6 & # # 6 & # & 6 # # & # # # 6 $# & 6 # # # # & # # ! ` 6 # # 6 & # # '' 0' ' & 6 2 ' ? ! # # # & ! ! 0! # ! 2 # # .# + & # - # # = = +1 $# 1 & # # # # a,b ? $# ' ' # & 6 # # # $# & 6 & # # ,89; # & # # $# # & # 1 < ( ? # # # ' ,89; ! =# & # & # #
+
# & &
-# # 6 6
& & # &
# # & & # # # # # 1 > $ # 1 # & 6 & . & 1 # # # & $# # & 6 # # & & # # a+b .# 4 ! ! 0! # ! 2 ! ! & 6 & # 6 $# 6 & ! ! # 6 # 6 0 2 6 0! 2 $# 6 # # & ! ! # 6 & $# 1? ! # 0 ?!2 # # # ?! # 6 6 # & # # # 6 0! 2 0 .2 & > $# # # & # 1 . = # & ? # ! # A ! 0!A! 2 ? # # # 6 "+ # " # & a4b
' ?! !A! & # &
> ?!
# !A! #
.# L # & ?! #
6 0 2 # # # &
. & # !A! < ' & # # & # # 1 # $# ?! # & & # # # ! # ! 0! !2 & 6 # # & # $# ) = 1? ! # 0) ?!2 # #
# & # & & # ?! # ! !
# a9b $# # # & # # # \ & # 1 1 1 6 1 # " # & & $# # # 1 # & & 0 2 0 # 2 $# & ) 1 # # & & .# L # # ' 1? ! # 0 ?' 2 < ?! # # 6 & .# ?! ) ?! # & # # = # # ?' # # $# # # ) ?! c ?! # & # # a4b " ' 1? # & ' ' & 6 # 9 & '' ' ? ! #
9 $ ;/:5* J<#9) %/:%#;#18:* : )( $# # & & # #% @ ' & # # 0 # 2 # & # # 0 # 2 & # #% # ) # # ^ 1 ) # # 6 # # # $# # # # # # 6 # 0& ?.2 & # ' # # & @ ! > & # # $# # #` 1 ' & # 6 # # # :!>= # # # 9;; # # 9;1:; $ 0K@ P 2 $ & + , # L - < a,b # # ! > & # # # # # &_ # # L - < a:b
1 , $ $ > / , % εεεε σσσσ M " 9 ; ;;, $ ,: ; ;;: - # +: ; ;+ ' 7, : # 7, ; ;;, ? # # > # > = # #
& # & # # # & &_ #
,788 ! # # # # #
& _ # #
# & # 1 # & # # & #
# & # # # # # # #
& & # # # & # &_ #
d 1 e ,8;3 S # & # # 1 # # # # # 1 # # 1 # & &_ # 1 ' # # 6 # & > # # & # # # 1 # # ,8+/ ' # ,84; # # 6 # # ' # # ,8+/ " # # # # ' ,8+/ $# # & # # :; # # # # # # " # > = & # # L - < # - L # # # # # # " & # & # # 0 1 2 - L
/ # # 1 1 6 # # # # # # & ,8,7 ) " < & # # # # # # # # & $# # # # # ? # < % # & # # # & # # # & & # # # # # # $ / , ! %, <# # # # # # 6 0' ` 2 a/b # # = # # @ = = # # # # # = = = # # # = $# & & # P # # # # # # $# & + ε ε ε = − $ " # # = # # # # & # K # \ # # σλ ε /; + = $ "
. # & # # = <# # # = = a/b 2 0 2 0 2 0 2 0 2 0 2 0 2 0 2 0 + + + + + + θ ε ε θ ε ε θ ε ε θ ε ε − − + − − − − − = Γ $ " # = 2 0 2 0 2 0 2 0 2 0 2 0 + + + + θ ε ε θ θ ε ε θ − − + − − − = Γ $A" # f # $ ; / , J " , $# +1 # + , # & & # #
# & # a3b $# # & &
& # 1 # & # 0# # # # :; 2 1 1 # # & $# # & 0 2 # 0)A 2 # # # # # # + , # & 1 # # # & )A 0 2 # # # 1 # ? # # # # # # & $# # # 1 & # # ^ # & # # & @ + + 2 0 − + = $@ " + + 2 0 + + = $@ "
7 > & # & # # # # # # # # 0 >> 2 & & # = # 1, # & # # # # # # $# # 1 # 1 1 # # 1 1 Γ + = $ " # g # & + $ $ 1 $ %) N , % , )O & 6 # 6 # & # 1,87; # & # 1 # $# 1
& # & $# & 6 0 2
# 6 # #
$ $ % , )O & P . # 1 # & 1_T # ! # 6 $ & # # $# # = # & # = = # = = # # 1= " # = # # 1= " $# φ & 2 0 2 0 = " φ $K" # = = 2 0 2 0 = " φ $ " = $# 6 & # #
# # & & & #
& $ # & & # 1 #
& # & =1 # # # # # # +1 6 ; + + ; + + + + = + ∂ ∂ + ∂ ∂ φ φ φ # $L" # # # 1 & # # # # 6 # # # # $# # & 2 0 2 0 =%− # $ φ $ "
,; # $ # # # # # $# 6 $ ; 2 , 0 + + ;+ + + ; + + = − + ∂ ∂ + ∂ ∂ + ∂ ∂ $ # $ $ # $ $ " $# & ; 2 , 0 2 , 0 ; ; = + + ∂ ∂ + − ∂ ∂ $ & # $ & # $ $ " # & # 1 # # & 2 0 , + + + + ; # & + ∂ ∂ = $ " 1 # & $# 6 & 6 0+ ,+2 # 1 6 − + + =$ $ $ $ A" + + =− − ∂ ∂ $ & # $ 2 , 0 ; $ @" − − =− + ∂ ∂ $ & # $ 2 , 0 ; $ " 6 0+ ,:2 0+ ,/2 & # & # 6 0+ ,:2 0+ ,/2 # & 6 $# & 6 & 1 $ # 6
; 2 , 0 + ; ;+ + + + = − + ∂ ∂ + ∂ ∂ $ # $ # $ $ K" 6 0+ ,32 & # # # $ # $ ∂ ∂ << ∂ ∂ ; + + $ " # # ∂+$ ∂ + 6 0+ ,,2 $# # & 6 0+ ,/2 # d # = e <#
( )
[
]
∫
∞( )
∞ − − = = ' $ $ % # $h0 2 # $ L" 6 0+ ,32 & ; h 2 , 0 h + h + + ; ; + + − = ∂ ∂ + −# $ # $ # $ $ " $# # 6(
)
(
)
[
; ;]
+ + + ; ; 2 0 ,2 + 0 h 2 0 h # $ # # # # $ = − − + − $ " A # & =C=; =;H =C= & 6 0+ +;2 # & # # # # &# & # & &
( $ # # & # = = = # & # d #e # # = & & # = '' 6 &
(
)
{
}
− ∆ − ∆ = − ' $ # # ' # $ 0 + 2 , 0 + 2 0 ; ; + , + ; $ ",+ $# 6 & $ # # & $ ) & 0 2 0 $2 # ' & & 0=; 2 _ # # # & # $ )* 2 # & ? 6 # # $ $ & # $ $ %) # ! $# # '' # a7b@ ,2 # # _ # '' # , & # 0 2 $ ) + # 0 C, "2 # # # # & # # $# # # # # # +2 $# ) )*I 0+ ++2 $# # # # # 42 B # # # # # # '' # # # # # )* I $# # # # # , 92 '' 6 & # # # # ' # = 0 $2 # i-. i#. $# = I I # # # D \ & 6 A -. #. # " 6 -. j #. /k & # =
:2 ? '' # # & 0?.2 # 0
& 2 # # # = =
# " ?. #
# & & 0 .2 & $# ?. & #
& # a)0-. b a0-. -. b 0
2 & $ 0 + +2 & + $ 0 2 $# + # C; CD =E FG =E G # = 0&2 '' # =C=; $# # " & # & # C; $# =C=; 0=; 2 0 2 $# =C=;HI= 0=;HI= 2 & '' $ $ * J&, 1 , + # # & # $# # 6 6 # = # $# # @ # 1 # 6 & !
& & &
# & # #
,9 $ $ $ 1 8 , $# # # # = # + 4 A # # # # # # & # <# # # # # # # = $# # + 4 # + +40 2 # 6 # =HR= @ • # # = ', # # & '+ $# # # # # & • $ # & = '+ $# # # # # # # # # + +40&2 # 6 @ • # # = ', # # & '+^ # & # ^ • # & = '+ & + $ # 0 2 0&2 # # & 6 # # 1 & ' + 4 , # #
& $ $ $ % P ( 1 8 , ? # # 6 # + 9 > # # # # & & 2 0 − = = ζ ξ $ " # #0=2 # # # # # 0+ +/2 # # l =,m= m =+ & & 2 0 2 0 , − − , − = = α ζ ξ $ A"
# # & & & 6 # #
# & 22 0 0 2 0 2 0 ζ ξ ϑ ζ ξ $ = $ @" # & 6 0+ +,2 ; + + 2 , 0 + + + + + ; ; + + ; ; ; + + = ∂ ∂ − ∂ ∂ + ∂ ∂ ∂ ∂ − ∂ ∂ − − + ∂ ∂ + ∂ ∂ ∂ ∂ + ∂ ∂ + ∂ ∂ # # # # # ξ ϑ ξϑ ζ ξ ξ ϑ ζ ϑ ζ ξ ζξ ξ ϑ ξ $ " & & $# # 6 &
(
)
(
0 2 , + 0 2)
0 2 ; 2 0 + 2 0 + + ; ; + + = ′′ − − + + ∂ ∂ + ∂ ∂ ξ ζ ν ξ ζ ξ ζ ζξ ζ ξζ ξ # # $ K" #,/ ′ + ′ − = ξ ζ
∫
β β ξ ζ ; ; ;ζ 0 2 + 4 2 0 2 0 2 0 $ # # $ " # # # & # # ϑ > ′0ζ2 ′′0n2 # # # # n # # # '' # # # ? & ^ # # # & $# # # # # & & < # # # # & 6 & + $A! # # # # & 0 + :2 # # # 6 0 + 32& + $@$# & $ $A %) #,+ ! + / '' # ' + + + # # # 0 # 6 # # 2 # & 1 $
& & & & $
$ $ # # # # # # # # ? $ $@ * , # , # &_ # a+,b ' # 1 + 3 & # 1 # # ,: & # $ ,: /; ? # '' # $# # & # # &
,7 & + $ # '' # & + $K $ @ . 1 ? @ $# # # ! " " ! " "
& + $ ! # # & # & # 6 : ,: 4;!>= $# 1 # # + 7 4;; :;; # & ,+; '' $# # 0: ,: 4; !>=2 6 # # # 6 0> 2 & $# # 12 # . . # 12 '' # . # . # # # # # & $# # # # 6 # #
+; $ /# 8:<#9) %/:%#;#18:* #*#(4 8 )17: :& : )*1 : " :(518:* $ 1! ! , $# & 6 6 # # 6 & # 6 $# & # a8b ! ! & & # 6
( )
2 = $ " # # # & 1 # 2 # & $# .% 2 . .% 0!A!2 6 04 ,2 $# # # & # # # # & > a,;b $# # # & > a,, ,+b $# # # # # a' 9 / ,4b $# # # & & # 6 $# !A! ! # & # - # ,8/: > a,9b ,8/3 $# # # & ! & # # 1 & # # & # # & " a,4b $# ! !# & # & & # & & # & a,:b
0,2 # 6 0+2 0 = 2 # 6 6 & 0 2 # 0 2 042 # 092 # 6 & # 2 $3$ $45 # $ 2 =
∑
α $ " # 6 $ & 6 04 +2 # $ & 6 04 +2 ' & 04 +2 04 ,2 # #( )
$ =∑
α $ "# & 7$ 8 # & # &
# 939 94o # 04 42 # #9. 9 $ 9. = .
∑
α $A" & > , & ./3 4 5 $# 6 &[ ][ ] [ ]
,. α = . $@" #[ ]
= K K K K K + + , + + , , , 2 9 2 9 2 9 2 9 ,. $ "++
[ ]
[ ]
= = M M 9 9 + , + , α α α α $K" # a b $# 6 # &[ ]
[ ]
,.[ ]
. , − = α $ " 2 & 6 04 +2 # #[ ] [
K]
4 + , h $ $ $ $ = $L"[ ][ ] [ ]
$ $[ ]
,.[ ]
. 2 h h −, = = α $ " & $# & # # # $ 9 # a,b & $# # & # # # # # $ 9 #& & # a,; ?b
A # & # # # $ 9 $# $ # & # # 04 +2 2 & $# 9 # & # # # 9 ' # # # # $ 9 , $# # + $# # 4 $# = # # & 9 $# = 1 a,b
% ! + $# & & 6 # 6 04 42 & $# : + . + .% ; # # 6 $ ; < % + , + ) 1 & & = +1 > # # ! &
# # 4 , & & &
< r = r
<
r
r
×
= p
$ " = = r× p r $ " > r r ' # # 6 04 ,,2 04 ,+2 # & 0 ?.2 #2
0
p
2
0
2
0
2
0
ρ
η
ρ
<
ρ
ρ
=
=
⋅
×
r
r
$ " # η # # # # p # # & 1 & # 0$!2 0$ 2 $# $! # $ # " 1 # $! # $ # $ $! &+9 & + $ & $ $ 9 , % , B 1)" $ # # # & & <# # # = & #
2
0
2
0
2
0
2
0
2
0
2
0
ρ
ρ
η
ρ
"ρ
η
ρ
ρ
"<
=
=
−
=
=
−
$ A" ! # 6 #2
0
2
0
2
0
ρ
ρ
"ρ
+ "=
<
+
−
$ @" # < # ' & # # # 1 ) %∫
∫
′ ′ ′ ∂ ∂ ′ − ′ ′ ′ ′ + = − > > + " < < < ρ ρ ρ ρ ρ ρ ρ ρ ρ η ωε ρ ρ 2 0 2 0 2 0 2 0 2 0 2 0 2 0 $ " # P O # & # & # # ) # 1 ) ` ∂∂′ ′p # # # ρ′ ) %2 0 9 , 2 0ρ ρ′ = ;0+2 # $ K" # ;0+2 # > #
[
] [
+]
+ 2 0 2 0 2 0 2 0ρ − ρ′ + ρ − ρ′ = $ " 4 , 6 04 ,72 # # & # ' # # & # $# < ? 1 # $# 6 & # # = & # # 0! !2 ' # & # # = # @ ? & #& & &
∑
=′
≅
′
. . .:
A
<
,2
0
2
0
ρ
ρ
$ L" # :.0ρ′2 # 1& # . # A. $# & & #∑ ∫
∫
∑
= ∆ ∆ = ′ ′ ∂ ∂ − ′ + = − . . . . . . . + " A A A , , 2 0 2 0 2 0 2 0 ρ ρ ρ ρ ρ ρ ρ η ωε ρ $ " # ? # & # # # # ?. # # . # & # 6+/
=
−
+ " + " + "A
A
A
B
B
B
B
B
B
B
B
B
M
L
M
L
M
M
L
L
M
+ , + , + ++ +, , ,+ ,, + ,2
0
2
0
2
0
ρ
ρ
ρ
$ "[ ] [ ][ ]
C = B . A. $ " $# # ! ! 04 +,2 & ρ ρ ρ ρ ρ ωεη ′ ∂ ∂ − =∫
∆ B . . . . . 0 2 0 2 $ " # # 1 # & J\,; # # & . . . . . .#
#
#
B
ωεη
ρ
ρ
0
ρ
ρ
2
p
ρ
p
9
2
0
9
2 + 0 , 2 + 0 ;−
+
∆
−
∆
≅
$ A" # D #E
. # # ! # 6 # # 0+2 , 2 + 0 ; # 1 > # # F. # # ?. ρF . # # ?. # ? ' # > ? /?. # & ^
∆
−
∆
+
≅
%
#
B
.. .9
+
,
9
+
,
γ
π
ωεη
$ @" > G & # # 6 , 37,;3+9,7 % 6 + 3,7+7,7+7 ! ! × = # # & & # =A & C =B ⋅A # & A. ! ! # 4 # ! ! # 1& # 0 ?!2 & $# # C # ^ , <# #
<
<
=
−
=
− −% 9+ %
+2
%
C
# + ";
;
,
2
0
2 0 ; θ θη
ρ
$ " + <# # & # # + " % C − − = − = ; ; 2 0 η ρ $ K" ; # # # # 1 /; ; = $ "[
0 2] [
+ 0 2 2]
+ $ % $ % + − − = ρ ρ $ L" # = # # # # & # # # & # 4 <# # & # + "%
C
θ
η
ρ 2
0
; ; −−
=
−
=
$ " $ % − = 0ρ 2 θ $ " 9 <# # &+7
2
0
9
+ ;#
C
=
−
ρ
$ " # ;0+2 # > # $ $ 7 B , % , B 1 " # ! 4 , , & & # = = = " & #2
0
2
0
2
0
2
0
2
0
2
0
ρ
"ρ
η
ρ
ρ
η
ρ
<
"ρ
=
=
=
=
$ " # 6 #2
0
2
0
2
0
ρ
η
"ρ
"ρ
+ "=
<
+
−
$ A" # <" # ' & # # # 1 ) %∫
∫
′
′
′
∂
∂
′
′
+
′
′
′
−
−
=
−
> " > " + "<
<
<
ρ
ρ
ρ
ρ
ρ
η
ρ
ρ
ρ
ρ
ωµ
ρ
ρ
η
ρ
2
0
2
0
2
0
2
0
2
0
2
0
2
0
2
0
$ @" # H # & # & # # ) # 1 ) ` ∂∂′ ′p # # # ρ′ ' # & # # = # @ ?& # & &
&
∑
=′
≅
′
. . . "A
:
<
,2
0
2
0
ρ
ρ
$ "# :.0ρ′2 # 1& . # A. $# & & #
∑ ∫
∫
∑
= ∆ ∆ =′
′
∂
∂
+
′
−
−
=
−
. . . . . . . + "A
A
A
, ,2
0
2
0
2
0
2
0
2
0
ρ
ρ
ρ
ρ
η
ρ
ρ
ρ
ωµ
ρ
η
ρ
$ K" # ? # & # # # # ?. # # . # $# # ! ! $! # 6 04 +,2 04 ++2 ρ ρ ρ η ρ ρ ωµ ′ ∂ ∂ + =∫
∆ B . . . . . 0 2 0 2 $ " # # 1 # & J\,; # # & . . . . . .#
#
#
B
ωµ
ρ
ρ
η
0
ρ
ρ
2
p
ρ
p
9
2
0
9
2 + 0 , 2 + 0 ;−
−
∆
−
∆
−
≅
$ L" $ $ , + 8 6 # # # 6 # & 6 # & 2 p 0 p p r r × × = × η 0 #% 2 $A " # p # # & η # # + \ , ; + \ , ; ; , + + + = B ωε σ ωε ωε σ ωε η $A "4; = > B)/3 )I # 1 # # $ $A % #,+ ! 4 + ! ! # # # & & 1? # $# # 6 # # ? # $ & # # # # q \ ;q q>\>;q # # # = = ? # # & ! $ ? $# 6 a!>=b a b # # a b ? # # # q \ ;q q>\>;q & & # =
= A& # # & # # # &
# # # # & # # & #
# & $# a>\ b & a \ b
a'\ b # & 1 . # # $ $@ # , % #,+ ! # & ! ! # # # ! ! +1 4 4 /;λ . & & = A 6 4;; !>= # # ! ! # # +1 # & # # : # # # # 4; 4 9 1 - 3: ,;14 4 : #1 A& # # ! ! +1
& + $ # ! ! & ! ! # & + $ /;J . = 0$ # # 4; & # # : 2 ! # $ % % " ! # $ % % "
4+ & + $A /;J 1 . = 0ε C 3: KC; ;;, # # 1 # # 4; # & # # : 2 & + $@ /;J 1 . = 0ε C : KC,;14 # # #1 # # 4; # & # # : 2 4 / & & +;J . 6 4;; !>= # ,; $# & # # : 4 3 # # A& # # # #
& + $ +; J . = & + $K # # +; J . = $ & P J6 .P ! &6 " $# 1? ! # 0 ?!2 # 6 6 # & 6 # " # & # = # 4 7 6 6
49 A B C = ⋅ $A " a b # & $ 1& # & # J 2 A A A = + $A " J 2 B B B B = + + $AA" # A2 # & # # AJ # & # # & 6 04 942 B 2 B BJ # # 0 2 # B & + $ = B 6 04 942 04 992 6 04 9+2 & 1 & 1 6 @
(
2 J)
2 2A
A
B
C
A
B
⋅
=
−
⋅
+
$A@"(
2 J)
2 JA
A
B
A
B
⋅
=
−
⋅
+
$A " . # # 0 # 2 # # # # 1# 04 9:2 # & # 0 # = r = 2 # # # # 4 , ' # # ρρρρ & ρρρρ ε µ σ ∆& % % ρρρρp
f
ρρρρ & ρρρρ ε µ σ ∆& % % ρρρρp
f
# 1# 04 9/2 # & & #
0 # = s = 2 #
# # & & 4 8 $# 04 9:2
04 9/2 # & & & # &
$# # # # & 1 6 04 9:2 04 9/2 & # # + # # #
(
A 2 0+2 AJ0+2)
&(
+
2)
⋅
2 0+2=
−
2⋅
J0+−,2A
B
C
A
B
B
$AK"(
J)
J 0+2 J 2 0+2A
B
A
B
B
+
⋅
=
−
⋅
$A " $# # # = AJ )/ ) $# # & = & B +B 2 J B B + 04 932 04 972 & A 2 0+2 2 0+ JA & & &
# # $# # & # & # 6 # & + $L & # # # # 04 932 04 972 # # & # & # # B & #
4/ # # 1 $# # & # # 1 & # 1 1 = a,/b <# # & # & & & = . . . . . . . . . " A # # # A η ρ ρ ρ ρ ρ ωε ρ 0 2p p 9 2 0 9 2 0 , 2 + 0 , , 2 + 0 ;
∑
∑
= = − ∆ + − ∆ ≅ $AL" # = = . . . . . . . . . " A # # # A ρ ρ η ρ ρ ρ ωµ ρ 0 2p p 9 2 0 9 2 0 , 2 + 0 , , 2 + 0 ;∑
∑
= = − ∆ + − ∆ − ≅ $@ " $ & + " " " = + $@ " = + " " " = + $@ " # = = $# ?! # & & # # # ! # ! 0! !2 & 6 = # # & # $# ) =1? ! # 0) ?!2 # # # & # & &
# ?! # ! ! # $A ,, # , & P N 6 .P ! # 04 932 04 972 # # & # & # # S & # # # 1 $# # & # # 1 & # 1 1 =
& + $ ' $# 1& & 4 , , 4 , + 6 # 1
∑
− = ≅ , , 2 0 . . . 2 ρ A B $@ "∑
+ = ≅ . . . J A B , 2 0ρ $@A" # = = # # # & & # # > 6 $# # # # 2 & & 9 # # # # ##& # & &
4 ,; # # # # # # # # # A # # # 9 # # # # & # # = & ' ( & ' ( ) % ' ( & ' ( ) %
47 04 :42 04 :92 &
∑
∑
− − = − − =+
≅
, , ,2
0
. . . . . . 2ρ
A
B
A
B
$@@ "2
0
2
0
2
0
2 92 2ρ
≅
ρ
+
ρ
$@@ "∑
∑
+ + = + + =+
≅
, ,2
0
. . . . . . Jρ
A
B
A
B
$@ "2
0
2
0
2
0
J J9 Jρ
≅
ρ
+
ρ
$@ " # " C \R= # & # ## # # $# 04 ::&2 04 :/&2 & #
& # & 9 # & # & 04 , ,2 04 , +2 - 9 & # > 2 + 0 ; ( ) ( ) [ ]
φ
π
ρ
ρ
φ φ φ%
#
> # . . .∫
− + −=
−
2 + 0 ;,
2
0
$@K" # >φ # # φ # 4 9 = & 6 &∑
− = ≅ , , 2 0 . . . 2 ρ A B $@ "∑
+ = ≅ . . . J A B , 2 0ρ $@L" $# #& # # # & # # 04 :72 04 :82 &∑
∑
− − = − − =+
≅
, , ,2
0
. . . . . . 2ρ
A
B
A
B
$ "2
0
2
0
2
0
2 92 2ρ
≅
ρ
+
ρ
$ "∑
∑
+ + = + + =+
≅
, ,2
0
. . . . . . Jρ
A
B
A
B
$ "2
0
2
0
2
0
J J9 Jρ
≅
ρ
+
ρ
$ " $A$ 8 + ' # > # # & # 0' 2 # # 0 ./) # ' # & # 4 ,, # # & # ' # # # # ' φ # ' #6 04 :32 # # & & & $# #
& # & # # # # # #>φ 6 # & # ' & # .0 K) # # − − = − . . , φ $ " # $# φ # # # # & # # # # # & φ & # # $# # # # # #
9; & # # # 4 ,, # # # 0)A2 # aB$ b a,3b & + $ ;0+2 # # # # # # # $# . & # # # ? # # 4 ,, ' & & # & # 6 ' # # # # & & # # # # ? & # # # $# # . 4 ,, # & # # # # ' 0φ2 = # # # & $ # & # # & 0 2 # # 0&2 # φ > >δ # # # & >φ # ' # 4 ,, >φ & # # t # # . # t C k\9 & # # &
# #
. A # >δ # #
# # &
A t & & & # #
# # +a,/b $# 6 # # t C 1,0,\&2 # − = ,, +; # J φ $ " # # # # ' # & & t # & # 04 /+2
(
)
+ + + − = $ "(
)
− = −, φ $ A" # # # & # #& & # # & #
$# # L # .t # # 6 04 +82 # ' & 04 :32 04 :/ 2 # #
φ
φ
π
ωµ
ρ
δ'
> 9=
−
∫
0
2
9
2
0 v
$ @" # ( ) ( ) [ ]∑
− − = − + −=
, ,2
0
. . . # .%
A
'
φ
φ φ $ " # = = # # !! a,7b# # & ? & & # #
# 1
2 0φ '
9+ # & & 04 :32 04 :/ 2 # # 6 04 /:2 & & # ( ) ( ) [ ]
∑
+ + = − + −=
,2
0
. . . # .%
A
'
φ
φ φ $ K" > # a,8b # # # 0 2 0 & 2 # 2 0φ ' # # & ( ) ( ) [ ][
]
[( ) φ ( ) φ] φ φ φ θ φ θ η η φ φ = = _ " , " , ; " , = = _ , , , , = 2 0 2 0 − + − − − − − − − − + − − + − ∆ + = − − $ " # ' 0φ2 C ; m " H , # " # ' 0φ2 # # 6 04 /72 # # ' 0φ2 # # # $# 04 /:2 φ & = & * 3 # δ φ φ → ∆ %− $ L" δ φ φ φ : : % − ∆ = → $K " u & ∆ = φ φ + & $K " #
# # # $ # # # #(
)
9 − ≥ $K "a+;b $# & # # 04 :32 # ' # # 6 ∆φ # # & 0 # # 99 6 # & ++ \ : # = ∆φ $K " $A$ % #&6 #,+ ! . A-$- " # # 6 A-$- " ' ? # $# & & # # # # # # # # ' ? # $ & 4 , A 6 a!>=b # = 0R=2 # B J\,; & # R= J\:
& & $# & &
= J\: & & 6 !
a b
$ # # a b
& # # # & # a b &
^ & = # k\+; k\+ ? # # = = & & ' =
(
+ +)
+ # = = ' =(
+ +)
+ = > # # = #99
1 , $ . ' ? A-$- "
$A$ * , # ,
$# & ' ? # #
& '' # # A& &
# # & '' # = = " & # & . . # # '' 9; $ = # # 9;8/ .# # # # 9; # # & & . = ' ?! $# ' ? '' & # '' # ) > # # # 6 # & # '' ' ? # # # ' ? # # # # # 6 & '' ' ? # # $# # & ' ? # '' $# # 6 & '' # & # #
4 ,+ A 6 : !>= # # 1 & 6 0'' 2 # # # 1& # 0' ?2 A& # # +, 83 ,;; # 4 ,4 # & + $ :;;J . = & 8 3/ # # & # 4; # # & + $ ! = 8 3/ & # # # ,;; # # .
9/ & + $ A$ @ # # +;; # # 4 ,: & # # 4 ,9 ' # ' ? #1 # '' # ,;; # # # # 6 # : !>= A& +, 83 # # & $# # # # & ' ? '' & + $ @ :;;J . ) 1 = 0' @ ' ? #1 @ '' 2 4 ,/ # # # # & # 4 ,9 ' ? '' # & ' ?! # .
& + $ ! :;;J . ) 1 = 0' @ ' ? #@ '' @ ' ?2 4 ,3 +;; # # # & ,+ $# ) 4 ,9 $ # 1 # # ) # # # # 4 ,7 # >1 # . # 4 ,3 6 : !>= # 0=C; C4; 2 = # # & '' ' ? # # 4 ,8 # # # # ) 1 # _ # ,9; ,7; # # 4 +; ? # & # # 8 3 & # ' ' ? # # # '' # #1 # #
97 & + $ K$ @ # # +;; # # & + $ ! . = & + $ L$ @ $ ) . # # ,9; ,7; # #
& + $ ! 1 # =
# & # #
& & & ''
' ? # # & # # & & + $ 1 :;;J 4 +, # 4; # 4 ++ & ' ? # # 4 +, > 6 # ,; !>= # 4; # # & # # & . # #
:; & 1 . " . # : a \ b ; ;, a'\ b # # # & + $ :;;J # = # 0 @ 1 . ' @ .2 4 +4 # ,: # ) > # 4;; # /;; 4 +9 = ,; !>= $ ,; & # # : # # & . ' ? # # # & . '' # #1 # & 1 . ' ? # # # ' ? '' . " . # : a \ b ; ;, a'\ b <# #
& + $ $ @ $ ) . # & + $ A $ +1# ) = ,; !>= 0' @ ' ? . #@ '' . #1 @ ' ? 1 . 2 4 +: 1 1 # # # 4;; ) # -εC: a \ b KC; ;, a'\ b # # # E/9/ 3H_9, 7 E C; 4 +/ 1 # = : !>= ' # # # 1 . # # # # . $ &
:+ & + $ @! 1 # 1 1 # # # 4;; & + $ $ # = : !>= 4 +3 1 # = : !>= ' # & # 1 . ' ? # # & # 1 . ' ?
& + $ K$ # = : !>= 4 +7 # 1 # 0 : + # : + # 2 6 # # # & ' ? 6 ,; !>=^ & # # & ' ? ,: !>= # # # # # # ' #
& < & # 6 # & $ < 0$
< 2 $ < < & # - a.# + 9 7b ! 1 # # # 1 # 1# # & ! & # > # # # # & # # # 0 2 > # # # ' ? 1 1
:9
& + $ ' # 1 # 0
: + # : + # 2 6 0 2 @
# ,;!>= & ' ? 0&2 & @ #
,:!>= & ' ? 0 2 - # @ # ,;!>= &
< & $ < 0 2 - # & @ # ,;!>= &
A$ :* (5 8:* #* 8 5 8:*
# # # & 1 #%
# # # # # & & # ! ! &
' ? ! # 0' ?!2 ' ' & 6 0'' 2 $# & # 6 # $# # & @ • '' & 1& 0 6 (> & 2 & 1 # & # # \ # = '' & # # # & # 1 '' # & # & • ! ! 1 6 # a++b ! ! & # & 1 $#
# # & # & $# &
# = # 6 ' # J\,; & # & # J\: & # # ! ! & & # # # • # # # # # & & # ) % A& # ! !
:/ # & # # " # # 6 4 # 1& 0 ?' 2 # # # & # # ?' # # # # & 1 & A # # # # # & # # # • $# ' # # # ?! $# # 6 # 6 # # ' 1? ! # 0 ?' 2 & 1 6 1
# & # # ! ! & ' ? # &
& # & '' # # 1 & # # & ' ?! # # # & & # # ! & & # a+4b • # # & # 6 & • < 1 # # & # # # # # • . # # # & # & ' ? # # 1& # & # &
/)&)/)* ) Q R . $($I,87, - # > Q R ( I $ +;;; & 6 ! # Q R 1 - $#$I +;;4 1& # $# ' ? B !' $#
QAR % $ /$I 6 .! , /$ $I : ,, &$ L +;;+ '
$# ) = 1? ! # $ ( :; 37:1383 Q@R < I $/$I ,887 $# ! > ! ) 1< A + M % 1 : + N + % A 31+9 Q R 7 ,, $%$ $I 6 , ($<$I 7 P $1$I ,88/ -$# QKR / I 1$ $I,88/ < . > " L Q R #., +;;+ $ 6 " ! ) 1< 1 O % + & $ # B A ' $ # & QLR . I ! P *$:I ,884 " # 6 .-. ?
-Q R /$&$ 7 + I ,8/7 . & ! ! # ( ! & @
Q R 6$ $ I,87; # ! # !
:7 Q R /$&$ 7 + ,88+ dA # # e ! > .:$ + , ,% . % + ( " [ @ 94593 Q R /$&$ 7 + I,8/3 d! # & e 1 ( A :: + ,4/5,98 Q AR $ $ * I ,87: d! # & e $ ! $# $ # !$$144 ,; 83+587; Q @R #$1$ # I ,839 d # # e ' B %: MO> $-1341+,3 , Q R ! 7$ 1$ ! $ 1$ ,887 # # # # 1& # -' ( 44 ,+335,+73 Q KR ' 3 /$;$I % ! . %$7$I ,839 # /+0,,2 ,97,1,9/, Q R 6 .! , I /$ $I $J7$ 'P I ,88/ > #1 6 # # - ' :,0:2 ,,881,;+/
Q LR % $ /$I ( ($I / + B $ ($I : ,, &$I,888 $# =
1& # = # 1 # v $ 93 8/,18/8 Q R ! 7$J1$ ! $ 1$ +;;; 1? ! # B " ' $# ! A ' - # ' v $ ) - ' 47 /;:1/;3 Q R 6 I #$)$I ,889 & 6 # # A + M % 1 : + 9+ 8;1 87 Q R + I ( I ,888 & ' V [X ? [ V V V &
Q R + I ( I +;;4 . & w " ' # 1 L # < ' . " L Q AR ! 7$J1 +;;; 1& # # & v ' ' 9 +44/1+448 Q @R $ 6 )$ < , $ ,888 A 3 #
/; 68:;/#%74
? U " *?Ax B & & $ ,87, '# # V&
' # ,88+ ]= Z W > # ' # ,88/ #
]= Z W ' ' # ,888 '# # ?' $
. [V V=