10.
, , , , . , . , . . , . ', 0. :
= 0+ (43.1)
, () . () .
, . .
, . . , . '.
. J. , :
(43.2)
D V , , m . , D V.
11. .
= 0+ :
, 0 ( , ) . '. , , ( 0 ' , , ). ,
(44.1)
: .
,
, 0, , , i, , . ' ( ) , i m. , ( i, i m,):
|
|
(44.2)
, , [. A6.2)]: ,
, , . , , . , n .
, (44.2) J. , , . . 77, d l, a, , SM cos a d l (SM , ). n , , d l, i m nS mcos a d l. i m S m m . , i m nS m , . . J, a i m nS mcos a i l J d l. , , d l, i ld l, , :
D4.3)
(44.2) (44.3) , :
(44.4)
, , . .
, ,
(44.5)
(44.4)
(44.6)
j, (44.6) :
(44.7)
(S , , ). (44.6) (44.7) : , .
, ( ) D. , , . : .
, , , D, ( , a D). , , ( , ) D (, , D, ).
|
|
J = 0, / m 0 (44.6) (44.7) (42.3 ) (42.4 ).
(41.1 ) ,
(44.8)
, , , . (/). (44.8) b = 1/2 p () , 1 , 1 /. 4p×107 .
J , . , J
J = c H (44.12)
c , 1). (44.5) J. , c .
(44.5 ) (44.12) J,
(44.13)
m =1+ c (44.14)
.
k, ( ), c , . m , .
(44.14) (44.13),
(44.15)
, .
, , , , m 0 m ( ).
m. , 0, H 0 = 0/ m 0. H 0 . 0
(. 78). , , . , . , . , . , , , . , ( ), I 1. , , , ni, I 1. , , , I 1. (42.6)
' = m 0 I 1. (44.20)
, ' 0. ' .
d l. , , I 1d l. (39.1)
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|
d p m = I 1 S d l
S . d p m d V = S d l, :
J = I 1 (44.21)
, .
(44.21) (44.20)
' = m 0 J (44.22)
( , ' J ).
' 0,
B = 0 + ' = 0 + m 0 J
, (44.5 ),
= B 0/ m 0 = 0. (44.23)
, , m 0, . . .
(44.15 ), m 0 m, :
B = m 0 m H = m 0 m (B 0/ m 0) = m B 0 (44.24)
, m , .
, ' , .
12.
, m. h, S 1 S 2 (. 79). (44.1). , h . B 1n S 1, B 1n . B 2n S 2, B 2n
.
, , :
B = B 1n S 1 + B 2n S 2 = (B 1n + B 2n) S = 0.
, B 1n = B 2n. B 1 2 , ,
B 1n = B 2n. (45.1)
(44.15) , m 0 m,
m 0 m 1 H 1n = H 2n m 0 m 2
,
(45.2)
(. 80) . , , , , . b { 1t 2t). , [. (44.6)], ,
1t = 2t (45.3)
(44.15) , m 0 m,
(45.4)
, ,
. .
, D, .
. 81 . a 1 a 2.
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|
(45.1) (45.4) :
(45.5)
m .
, .
, . . . , , .
. 82, .
. 83 . , . .
m. . D5.1) , . , . H = / m 0 m . H = / m 0 m .
l . l . H l + H l . (44.6) Ni, N , i . ,
(m ). l 10 = 0,1 , l 1 , m . ,
(45.6)
, , , , N / l [. (42.10) = m 0 ni ]. , . ~1 .