Random Phase Approximation For allowed and Parity Non-conserving Electric Dipole Transition Amplitudes and its connection with Many-Body Perturbation Theory and Coupled Cluster Theory

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dc.creatorGopakumar, Geetha
dc.creatorSur, Chiranjib
dc.creatorDas, Bhanu Pratap
dc.creatorChaudhuri, Rajat K.
dc.creatorMukherjee, D.
dc.creatorHirao, Kimihiko
dc.date2005-11-24
dc.date2005-11-28
dc.date.accessioned2026-07-07T06:52:27Z
dc.date.available2026-07-07T06:52:27Z
dc.descriptionThe connections between the Random Phase Approximation (RPA) and Many-Body Perturbation Theory (MBPT) and its all order generalisation, the Coupled- Cluster Theory (CCT) have been explored. Explicit expressions have been derived for the electric dipole amplitudes for allowed and forbidden transitions induced by the parity non-conserving neutral weak interaction. The Goldstone diagrams associated with the RPA terms in both cases are shown to arise in MBPT and CCT and the numerical verification of this relationship is made for the allowed electric dipole transitions.
dc.description12 pages, 7 pictures - accepted in JTCC- Proceedings of the APCTCC2 conference held at Bankok, Thailand
dc.identifierhttps://arxiv.org/abs/physics/0511205
dc.identifierhttp://arxiv.org/abs/physics/0511205
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/105306
dc.subjectAtomic Physics
dc.titleRandom Phase Approximation For allowed and Parity Non-conserving Electric Dipole Transition Amplitudes and its connection with Many-Body Perturbation Theory and Coupled Cluster Theory
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