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Open Access Publications from the University of California

Nonperturbative theory of double photoionization of the hydrogen molecule

  • Author(s): Vanroose, W.
  • Martin, F.
  • Rescigno, T.N.
  • McCurdy, C.W.
  • et al.

We present completely ab initio nonperturbative calculations of the integral and single differential cross sections for double photoionization of H2 for photon energies from 53.9 to 75.7 eV. The method of exterior complex scaling, implemented with B-splines, is used to solve the Schrodinger equation for a correlated continuum wave function corresponding to a single photon having been absorbed by a correlated initial state. The results are in good agreement with experimental integral cross sections.

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