, , ,
.
) - ... (e), - 1 (). ...- , ,
:
e = ./q.
) - U, - 1 .
- , , .
U = (A.+ .)/q.
) - I, - 1 ().
, , .
I = q/t ( )
) - j, - 1 /2.
, , :
j = I/S.
)j = nqv = ()v, n - , q - , v - .
3.8 , , , ( :D) .
:
y0 ,
() , ,
k , , ,
x t .
y y1 y2:
, :
, cos(wt), : A=|2*cos(2*p*x/l)|
. =0, =2.
, .
, =0.
, , , , .
, . , .
, , , x=0, . t ωt / 2p , 2p .
.
4.1 - , . , , .
:
- - , : R = E/(St), [/(2)] = [/2] , , .
- - (λ+dλ) (T+dT): Rλ,T =f(λ,T).
- Rλ,T = f(λ, T) T = const:
|
|
- - . , d, - d, d, - d: α = d/d.
α , , .
, , . . α =1.
, , . - . , , , .
1. . - , . , :
, :
2.-.
:
3..
, . , λmax, , : λmax = /t, = 2,9*10-3 - .
, - . : E=hν=hc/λ, h = 6,63*10-34 .
, :
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