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Wigner-Weisskopf approximation

Wigner-Weisskopf approximation with the above constraint, after performing the partial trace (117), that is,... [Pg.292]

Before launching into a discussion of post-exponential decay, it is useful to understand why exponential decay should be the norm in a quantum system, even though sometimes it holds over a limited time interval, or only approximately. The Gamow and Weisskopf-Wigner theories provide a clue. [Pg.491]

The essence of the Weisskopf-Wigner approximation is to suppose that W(E) W is energy independent. Then, if the range of integration is extended from —oo to oo, F(E) 0 and ( ) becomes a Lorentzian,... [Pg.493]

See other pages where Wigner-Weisskopf approximation is mentioned: [Pg.243]    [Pg.557]    [Pg.109]    [Pg.202]    [Pg.243]    [Pg.557]    [Pg.109]    [Pg.202]   
See also in sourсe #XX -- [ Pg.243 ]

See also in sourсe #XX -- [ Pg.109 ]

See also in sourсe #XX -- [ Pg.202 ]



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Wigner approximation

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