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Description of positron-hydrogen resonances using the stochastic variational method

Varga, Kalman, Mitroy, Jim, Mezei, J. and Kruppa, A. (2008). Description of positron-hydrogen resonances using the stochastic variational method. Physical Review A (Atomic, Molecular and Optical Physics),77(4):044502-1-044502-4.

Document type: Journal Article
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IRMA ID 80791673xPUB83
Title Description of positron-hydrogen resonances using the stochastic variational method
Author Varga, Kalman
Mitroy, Jim
Mezei, J.
Kruppa, A.
Journal Name Physical Review A (Atomic, Molecular and Optical Physics)
Publication Date 2008
Volume Number 77
Issue Number 4
ISSN 1050-2947   (check CDU catalogue open catalogue search in new window)
Scopus ID 2-s2.0-41949120830
Start Page 044502-1
End Page 044502-4
Total Pages 4
Place of Publication College Park, United States
Publisher American Physical Society
Field of Research 0202 - Atomic, Molecular, Nuclear, Particle and Plasma Physics
0204 - Condensed Matter Physics
0205 - Optical Physics
HERDC Category C1 - Journal Article (DEST)
Abstract The complex scaling method combined with the stochastic variational approach has been used to calculate the energy and widths of a number of L=0 resonant states of the positron-hydrogen system. The interparticle correlation functions reveal evidence of cluster formation in the resonance state. The lowest L=0 resonance associated with the H(n=2) threshold shows a bulge in the e−-e+ correlation function located at the same distance as the probability maximum of the Ps(1s) state.
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Additional Notes Copyright by the American Physical Society

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