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ADIABATIC EVOLUTION OF 1D SHAPE RESONANCES: AN ARTIFICIAL INTERFACE CONDITIONS APPROACH

    https://doi.org/10.1142/S0218202511005143Cited by:5 (Source: Crossref)

    Artificial interface conditions parametrized by a complex number θ0 are introduced for 1D-Schrödinger operators. When this complex parameter equals the parameter θ ∈ iℝ of the complex deformation which unveils the shape resonances, the Hamiltonian becomes dissipative. This makes possible an adiabatic theory for the time evolution of resonant states for arbitrarily large time scales. The effect of the artificial interface conditions on the important stationary quantities involved in quantum transport models is also checked to be as small as wanted, in the polynomial scale (hN)N∈ℕ as h → 0, according to θ0.

    AMSC: 35J10, 35P20, 35B34, 47A20