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TREATMENT OF BE+(1S(-1))(2)S AUGER RESONANCE WITH DIFFERENT DECOUPLINGS OF THE DILATED ELECTRON PROPAGATOR

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Title TREATMENT OF BE+(1S(-1))(2)S AUGER RESONANCE WITH DIFFERENT DECOUPLINGS OF THE DILATED ELECTRON PROPAGATOR
 
Creator MEDIKERI, MN
MISHRA, MK
 
Subject p-2 shape resonances
e-ca scattering
e-be
e-mg
ionization
energies
approximation
auger resonance
dilated electron propagator
decoupling
 
Description The diagonal 2ph-TDA and quasiparticle decouplings of the dilated electron propagator (based on an underlying bi-variational SCF) are utilized to calculate energy and width of the Be+(1s-1)2S Auger resonance for the first time. Comparison with experimental and other theoretical results reveals that the renormalized infinite order diagonal 2ph-TDA decoupling seems to offer a less balanced approach to the treatment of resonances than the second-order decoupling. The diagonal quasiparticle approximation to the self energy is seen to offer an effective and economic alternative to the non-diagonal propagator calculations.
 
Publisher INDIAN ACADEMY SCIENCES
 
Date 2011-08-02T09:22:10Z
2011-12-26T12:53:49Z
2011-12-27T05:40:51Z
2011-08-02T09:22:10Z
2011-12-26T12:53:49Z
2011-12-27T05:40:51Z
1994
 
Type Article
 
Identifier PROCEEDINGS OF THE INDIAN ACADEMY OF SCIENCES-CHEMICAL SCIENCES, 106(2), 111-121
0253-4134
http://dspace.library.iitb.ac.in/xmlui/handle/10054/8742
http://hdl.handle.net/10054/8742
 
Language en