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|Title: ||QUASI-PARTICLE APPROXIMATION TO THE DILATED ELECTRON PROPAGATOR WITH APPLICATION TO P-2 SHAPE RESONANCES IN E-BE AND E-CA SCATTERING|
|Authors: ||MEDIKERI, MN|
finite fermi systems
|Issue Date: ||1993|
|Publisher: ||ELSEVIER SCIENCE BV|
|Citation: ||CHEMICAL PHYSICS LETTERS, 211(6), 607-612|
|Abstract: ||The quasiparticle approximation to the second-order and diagonal 2ph-TDA decoupling of the dilated bi-orthogonal electron propagator has been employed for the first time to compute the energies and widths of the 2P shape resonances in e-Be and e-Ca scattering. The results demonstrate that the quasiparticle approximation offers an effective and economic alternative for the treatment of resonances described by a single root of the dilated electron propagator.|
|Appears in Collections:||Article|
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