. ψ En :
(.1)
( ωn = En / ), t > 0 , . ,
,
( ).
, . I (E)? , (.1) [209] ω = E / :
, (.2)
. (.3)
ψ = 0 t < 0, (.1) (.3) :
. (.4)
, , ω, . , = ω (.1) :
. (.5)
(.5) , ω = ωn.
, = λ, ,
. (.6)
, = n .
, , . ,
, (.7)
σ 0 , . (.7) -. ,[210] ,
, (.8)
a, , a ( ); b b (, ); = a + b .
,
, , ( b = 0), ( )
. (.9)
, . (.8) b = En = a + b.
,
, a = b
. (.10)
, (.9) (.10). , σ = σ ( a , a ) + σ ( a , b ):
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. (.11)
(.9-.11) , (), : .