, H 0A. A . H .
. 4.6.
H =0 Φ0 ( 0). (Φ=0), . " Hc " Φ=0. " Hc " ( 0B) .
, , " H " . - , .
H=0 ( 0) " H ", 0E.
, , .
" H ", .
H = B / , B = H , - , , .
:
H = I W / ℓ, A / ,
I - , A
W -
ℓ - ,
: |
, H 0A. A . H . . 4.6. H =0 Φ0 ( 0). (Φ=0), . " Hc " Φ=0. " Hc " ( 0B) . , , " H " . - , . H=0 ( 0) " H ", 0E. , , .
" H ", . H = B / , B = H , - , , . : H = I W / ℓ, A / , I - , A W - ℓ - ,
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