Автореферат (1097857), страница 3

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!X!$ μ1 = −μ2 (k1 + k2) = 0 A ,7)!!" ( $/ '(0 )!  /$= C θ = const )C θ = const- |p1,| = |p2,| = const ' /$ $!( 7)$!,( )' $!3 0! 7!* E ! !)0 ΔB!( !! .) ) bYf#! Δ < 5 $7C > )!( )!!( )0( ) )!!,* Uk[ ) s#$$ ." .) 8 >BNC)- !)$ !! 7!* 7)!!" ( E12 7!*" $ J12 ok !" !')3 X(/!!(" 5)/! !!!0 7* /3 ,!! !! 3 B$C ) ,$ (X " $( Tc ) J12  )0 !,)!! $!! JUP Y $/! 0 ! >BtC- !/ Tc 7$!! $ # ( .) !7)!!" ),! !"- $/ '(0 $! $$ !7)!!"12&(a)T=15 KT=0 K12JCP (10 arb. units)2(b)T=19 KT=15 KT=0 K1JPES (arb.

units)JUP (arb. units)010080T=19 KT=11 KT=11 K (exp)6040200-10 -8 -6 -4 -2 02Ε−ω (meV)0-10-8-6-4-202Ε−ω (meV)2446688 J K J12  L3 ,M $Δ = 2.6 1 Tc = 17 & /- 2E − ω = E12! 2 $N& $O& ' JCP $::& JUP $:(& # >  $O& # ! ! 7P, 7$! Bk[qC k[q )0( ! >BtC )!()0 $)0 bYf / X! 7!*- ) ,!" 7$ 8 !! 7 )0 >BNC )- !/ " $( Uk[ ) !! !'!!0 B !!3 )$ k[qC= E12 = 0 $ * ! $!0X 7!*" E12 < 0- ) k[q g !! ,! ! $- !7)!!" 7$ *).! ! )!3 !!!" ( .$ !! $ !" 7$ !  )!3 !!( ( .$ !!8& 4,3 .! $ !) 7 ** ,$ ! 7$3 ! Y)!,! $ 7 ** $ BoUC ) !)0,! ! $/ !!$ J12- ( 3 )$ "R U 1 )+ 1 R V """ S! "i )" ) =J12() − J12(∗),J12() + J12(∗)B;:C* ! ! $0 7)!!* ), ! = x + iy B 7$ q · x ,y = 0C 5) ! 3." .)  Δ = |Δ|eiχ- ) 7$ $$RCD =CPRCD= K(; P⊥, p) q · ∇p χp ,2Im{( · p)∗⊥ },K(; P⊥, p) =P⊥ |⊥ |2B;dC* !$ B⊥C '!!( )))0!( B!)!(C !, !( $!!(- P = p1 +p2 p = (p1 −p2)/2 e !!$$!(" !)0!(" $)0( 7)!!" ( 8$!)!( B;dC (γ, 2e) 7$! $/ '(0 .)! $,! )!!( *)( )!" 7)! !$) 7$ 8 B;dC )- 7 ** $ - ) ." .) ! !)0!* $)0 ( )- !- ) '(!( ! s#!$ !- !$- ) A5 !!" $/! ) $!$ ! !X!$ $!!" $,$-  )!3 !!)" ." ( χ." !)0!* $)0 ( & 4,4 !)3 7( )* $*,!!* ) ! 7)!!(" .* $)$ .

)0 $*!!$ ) !($ ,! )$ A !* ! e b$= $*!! ) H = ∇ × A! !)3 ! )0 - ! 7$ 7 %"! ! ",! <) 7)!!* 7$ ) ) )3.(/!J12 = JUP + JCP,JUP ∝ dEN (E)N (E12 − E),JCP 2Δ∝ δ(E12),VB;&C* N (E) e )!0 !( !7)!!( !" )0 - V e$!(" 7)$! ! ) /! bYf)! .) Δ - ))0!- !!!0 $!!( JCP , $(- $*!!* %*!! ) !,> ." )0 - " 0 !)" ,* ! vd Y* " 0 * !! vd = vc- *vc = Δ/kF e 0 +!- $0 )0 $,/ !X0 )0 4)6 !- $ $ /$ $!! JCP '.

!)0- , 7)!!( E12 = 0)0( " *)( ')!( ' {d-i->-i|/%% " .! ! $ $!($ !",! 5 7$ ) 7)$*!!(" !) !!( -  )/!- !"! ')3 !!)($ $*!!($ BL)7)$C $$!$P $!  ) !"!,!( )!" $ $X!- ( $.03 !,!" $ ( 5! e % e *( e A(=|νl =3Uli∗ |νi ,B;iCi=1* Uli e 7)$!( $ ( $X!- )3. 0 $/ )",!($ Bl = e, μ, τ C $($ Bi = 1, 2, 3C !$ !"! & 5,1 '/3 ! ) )!$*!!( 7) $$! $!( !"! $!!(" !( 7$! 7 5$" , $*!!( $$! !"! .) 7$! !,7!*$ *$ !3 !(- )0!( )!,!( B!C!"! ! 7)! 7 7$! $ ,! )0! !!" 7!* T ! ** ! !"!! 7)! dσ/dT <) !* ) )0)* !",! ! ) '" !*!!3 $$ ) dσSM/dT - ("'))! )'($ $"$ $ A!!" $) Bq\C- !$!3.$ )0!0 !"!- ) dσ(μ)/dT - 3.* $,!!3 !"!!" )0! ! )/!3- (" '))!$*!!($ $$!$ !"! q\ ! ) )"!* !"!$ 2dσSMTTG2F meme=(gV + gA )2 + (gV − gA )2 1 −+ (gA2 − gV2 ) 2 ,dT2πEνEνB;>CW )( +.

% / % ,, , R " ! ST ! ;* Eν e !)0! 7!* !"!2 gA = 1/2- gV = (4 sin2 θW + 1)/2) νe gA = −1/2- gV = (4 sin2 θW − 1)/2 ) νμ ντ - * θW e *)"!'* ) !!"! ! )0 $! gA → −gA )0) $*!!" $!!( ! $ dσ(μ)= 4παμ2νldT11−TEνBC,* α e !! !" ( $) BC μν ) '"7!(" $*!!(" $$! ') ! !!" T ! B;>C ,!!($ $!! T - ! BC  ' 1/T @)! ,! . !( 7$! * 3 0 !/! * )0!  )! !!"7!* T )0  !!" 7!*" 7)! $ 57$) ! !!( 7 7$! !'$ " !,) ) $!( $- !- $ *$!- ! !"!!($" & 5,2  '." $)$ ! !"! ! '!(- ! !!( $ 7)! '.$ ) $,!" $X! ! )0!( ! dσSM/dT dσSM/dT T Eν !)$ ')/! ) 7)!!( !" $/! ,0 ldσSMG2F =1 + 4 sin2 θW + 8 sin4 θW I1(T ),dT4π*∞I1 (T ) =022 dqS(T, q ) 2 ,qdσ(μ)= 4π α μ2νl I2(T ),dTBC∞I2(T ) =S(T, q 2) dq 2.BC0! S(T, q2) 0 !$" !(" =2S(T, q ) =n2δ(T − En + E0) |n|ρ(q)|0| ,ρ(q) =Zexp(iq · ra ).B;Ca=190 9 e !!(" $)0- $$!  $ $!($!$ |n BEn e 7!* 7 !"C #$ ra Z 7)! $; & 5,3 $ ! !"! ! !$ !,!$ 7)! !) )" ! ,'!* $ 5!( !) )!!( ( ) , ! '!* $- !.* 1s- 2s 2p !, $ ) ')/! $) !$(7)!  ! ')/! ) ! )0!* !!" 7!* !5')$ ()! !*) BC $/ '(0 X! ),$ ')/! BusC- !'* !$$!03 7)!!* $)0 p *$)0!!$ $ $,!!( 7* '(!( ) 7$ ')/! !$," !("  )3.$ (/!$= q2q2mepqpq−θ T −,θ T−S(T, q ) =+−2p q2me me2me me2BC* θ e ! c" ()! !*) BC $.03 (/,! BC 7)$!! )0 !$- !*)( ),$ ')/! 3 ')/!$ '!( 7)! Br[C=1I2WKB = I2FE = 2me .I1WKB = I1FE = ,B:CTg '1! !($ ! ! )0 ,)!( )!!( =dσ/dT1 f (T ) ≡=ni θ(T − |Ei|),BdC(dσ/dT )ZFEi* $$!  $ $!($ ')$ 7!*$ Ei )$ )!! ni $!(" f (T ) ! !)0!$) !( 7)! $ 7!* T - 7)!) ( ! X! !$ !! 7!*8& 5,4 .! !"!!" !" ! $!*7)!,!( $ ()!!( )!!( ( )'* $*!!* !,)0!( !" (ν, νe) ! $ *) )!()0( )!!( ) $!( =fSM =dσSM/dT,FE /dTdσSMfNMM =dσ(μ) /dT,FE /dTdσ(μ)B&CFEFE* dσSM/dT dσ(μ)/dT 3 )'$ $*!!$ )$ ,! )0! ! ! 7)!!( !!"! ! '!(7)!; Q R / $?C& /- ! -# - TI .;/ ()!!( )!!( ( ) (ν, νe) ! $ *,$! $) $ e $ 5! )! )0 7 !($ ')/!$ '/3 )!!( ), (- !!!( ! )$ ')/!c e & 5,5 ) )0  !# !",!!" !" ! $ ' )* ')/!()!!( )!!( ! ) )!! !* ')/! 7  !# <) ) $!*7)!!* $ $) $ e $ ) )3.

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