Faddeev-Merkuriev integral equations for atomic three-body resonances

نویسنده

  • S Keller
چکیده

Three-body resonances in atomic systems are calculated as complexenergy solutions of Faddeev-type integral equations. The homogeneous FaddeevMerkuriev integral equations are solved by approximating the potential terms in a Coulomb-Sturmian basis. The Coulomb-Sturmian matrix elements of the three-body Coulomb Green’s operator has been calculated as a contour integral of two-body Coulomb Green’s matrices. This approximation casts the integral equation into a matrix equation and the complex energies are located as the complex zeros of the Fredholm determinant. We calculated resonances of the e − Ps system at higher energies and for total angular momentum L = 1 with natural and unnatural parity. Submitted to: J. Phys. B: At. Mol. Phys.

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تاریخ انتشار 2008