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Author(s)
     Alexei M. Frolov
Title
     Bound-state properties of the positronium negative ion Ps-
Publication Name
     Physical Review A
Publication Type
     Journal
Publisher
     
Place
     
Editor(s)
     
Number
     
School
     
Volume
      60
Chapter
     
Pages
      2834 - 2839
Other Publication Information
     
Publication Year
     1999
Abstract
     Various geometrical and energetical (bound-state) properties of the positronium negative ion (Ps- or e-e+e-) are determined by using highly accurate variational wave functions. These wave functions have been constructed by applying the advanced two-stage strategy proposed by Frolov [Phys. Rev. A 57, 2436 (1998)]. The determined total energy of the ground state E=-0.262 005 070 232 975 7 a.u. is the lowest and most accurate value obtained for this system to date (the corresponding binding energy equals -0.326 674 721 317 821 eV). The computation of the second-order relativistic corrections (??2) to the total energy is discussed also. The general form of the Breit-Pauli Hamiltonian in the relative coordinates for the Ps- ion is presented.
Keywords
     
Website
     http://link.aps.org/abstract/PRA/v60/p2834
Paper Status
     Published
DOI / Publication ID
     



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