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Title: An investigation of resonances in e{sup +}-H scattering embedded in Debye plasma

We carry out calculations for S-wave and P-wave resonances in e{sup +}-H scattering in weakly coupled Debye plasma in which the interaction between two charged particles is represented by a screened Coulomb potential. We employ the complex-scaling method with Hylleraas-type basis set to take correlation effects into account. In the complex-scaling treatment of the screened Coulomb potential, we first perform a Taylor series expansion for the exponential function that contains the distance r between two particles into a polynomial with various powers r{sup n}. We then make the complex scaling transformation of r→r e{sup iθ} in the expansion. The complex resonant eigenvalues are obtained by searching for stabilized points in the complex energy plane with respect to the changes of rotational angle θ and other parameters in the basis set.
Authors:
;  [1] ;  [2]
  1. Department of Physics, University of New Brunswick, Fredericton, New Brunswick E3B 5A3 (Canada)
  2. Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei, Taiwan (China)
Publication Date:
OSTI Identifier:
22408027
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physics of Plasmas; Journal Volume: 22; Journal Issue: 1; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; 70 PLASMA PHYSICS AND FUSION TECHNOLOGY; CHARGED PARTICLES; COULOMB FIELD; DEBYE LENGTH; DISTANCE; EIGENVALUES; HYDROGEN; P WAVES; PLASMA; POLYNOMIALS; POSITRONS; RESONANCE; S WAVES; SCALING; SCATTERING; SERIES EXPANSION; TRANSFORMATIONS