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Expectation values of the e+Li system

Mitroy, Jim (2004). Expectation values of the e+Li system. Physical Review A (Atomic, Molecular and Optical Physics),70(2):024502-1-024502-3.

Document type: Journal Article
Citation counts: Scopus Citation Count Cited 23 times in Scopus Article | Citations

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Title Expectation values of the e+Li system
Author Mitroy, Jim
Journal Name Physical Review A (Atomic, Molecular and Optical Physics)
Publication Date 2004
Volume Number 70
Issue Number 2
ISSN 1094-1622   (check CDU catalogue open catalogue search in new window)
Scopus ID 2-s2.0-19544388748
Start Page 024502-1
End Page 024502-3
Total Pages 3
Place of Publication College Park, United States
Publisher The 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 e+ Li are computed using a ground state wave function consisting of 1200 explicitly correlated Gaussians. The best estimate of the e+ Li energy was -7.532 895 5 hartree which has a binding energy of 0.002 482 hartree against dissociation into Ps+ Li+ . The 2γ annihilation rate for the spin singlet state was 6.996× 109 s-1 . The annihilation rate for the triplet state, taking into account core annihilation and the 3γ decay, was 9.36× 106 s-1 .
Keywords atoms
binding
chemistry
correlated gaussian functions
ground-state
momentum
positron-annihilation
profiles
quantum monte-carlo
solids
DOI http://dx.doi.org/10.1103/PhysRevA.70.024502   (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 The American Physical Society


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