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|Type:||Artigo de periódico|
|Title:||Adiabatic Switching For Time-dependent Electric Fields|
Iorio Jr. R.J.
|Abstract:||In this work the scattering theory associated with the differential equation i(∂ψ/∂t) = ( - △ + e -ε|t|g(t)x 1 + q(x))ψ is considered, where x = (x 1,x ⊥)∈ℝ×ℝ 2, ε≥0, ω>0, α∈ℝ, g(t), t∈ℝ is continuous, periodic with mean value zero over a period, and q(x) approaches to zero sufficiently fast as |x| → ∞. In the case ε>0, it is shown that the usual theory is adequate; however, a limit does not exist when ε↓0. A modified theory is developed where the limit does exist as ε↓0. Furthermore, the concepts of bound states and scattering states for ε≥0 are discussed. © 1988 American Institute of Physics.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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