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Energy and expectation values of the PsH system

Mitroy, Jim (2006). Energy and expectation values of the PsH system. Physical Review A (Atomic, Molecular and Optical Physics),73(5):54502-1-54505-3.

Document type: Journal Article
Citation counts: Scopus Citation Count Cited 17 times in Scopus Article | Citations

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IRMA ID 80791673xPUB73
Title Energy and expectation values of the PsH system
Author Mitroy, Jim
Journal Name Physical Review A (Atomic, Molecular and Optical Physics)
Publication Date 2006
Volume Number 73
Issue Number 5
ISSN 1094-1622   (check CDU catalogue open catalogue search in new window)
Scopus ID 2-s2.0-33646431987
Start Page 54502-1
End Page 54505-3
Total Pages 3
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 Close to converged energies and expectation values for PsH are computed using a ground state wave function consisting of 1800 explicitly correlated gaussians. The best estimate of the Ps(infinity)H energy was -0.789 196 740 hartree which is the lowest variational energy to date. The 2 gamma annihilation rate for Ps(infinity)H was 2.471 78x10(9) s(-1).
Keywords quantum monte-carlo
configuration-interaction calculations
positronium hydride
ground-state
annihilation
atoms
DOI http://dx.doi.org/10.1103/PhysRevA.73.054502   (check subscription with CDU E-Gateway service for CDU Staff and Students  check subscription with CDU E-Gateway in new window)
Additional Notes Copyright by the American Physical Society


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