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Model of coupled bands in even-even nuclei

Journal Article:

Abstract

The model is derived in a natural way from the theory of coupled modes. It is based on an expansion of the Hamiltonian in terms of elementary transition operators, including direct rotation-vibration coupling with phonons. The treatment is limited to three types of phonons: ( I = K = 0), S (I = K = 1) and (I = K = 2). The basis of the operators, acting on the ground state is truncated by an inclusion of a reasonable number of phonon states. In the framework of this approximation one may evaluate the matrix elements of the model Hamiltonian and diagonalize it by standard numerical methods to fit the experimental spectrum. The well known picture of band hybridization is obtained as a special case of the model under consideration.
Authors:
Nadzhakov, E G; Nozharov, R M; Myankova, G Z; Antonova, V A [1] 
  1. Bylgarska Akademiya na Naukite, Sofia. Inst. za Yadrena Izsledvaniya i Yadrena Energetika
Publication Date:
Jan 01, 1979
Product Type:
Journal Article
Reference Number:
AIX-11-534263; EDB-81-014490
Resource Relation:
Journal Name: Bulg. J. Phys.; (Bulgaria); Journal Volume: 6:4
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; EVEN-EVEN NUCLEI; ROTATIONAL STATES; VIBRATIONAL STATES; COUPLING; HAMILTONIANS; HYBRIDIZATION; MATRIX ELEMENTS; PHONONS; ENERGY LEVELS; EXCITED STATES; MATHEMATICAL OPERATORS; NUCLEI; QUANTUM OPERATORS; QUASI PARTICLES; 653007* - Nuclear Theory- Nuclear Models- (-1987)
OSTI ID:
6753231
Country of Origin:
Bulgaria
Language:
English
Other Identifying Numbers:
Journal ID: CODEN: BJPHD
Submitting Site:
INIS
Size:
Pages: 434-441
Announcement Date:

Journal Article:

Citation Formats

Nadzhakov, E G, Nozharov, R M, Myankova, G Z, and Antonova, V A. Model of coupled bands in even-even nuclei. Bulgaria: N. p., 1979. Web.
Nadzhakov, E G, Nozharov, R M, Myankova, G Z, & Antonova, V A. Model of coupled bands in even-even nuclei. Bulgaria.
Nadzhakov, E G, Nozharov, R M, Myankova, G Z, and Antonova, V A. 1979. "Model of coupled bands in even-even nuclei." Bulgaria.
@misc{etde_6753231,
title = {Model of coupled bands in even-even nuclei}
author = {Nadzhakov, E G, Nozharov, R M, Myankova, G Z, and Antonova, V A}
abstractNote = {The model is derived in a natural way from the theory of coupled modes. It is based on an expansion of the Hamiltonian in terms of elementary transition operators, including direct rotation-vibration coupling with phonons. The treatment is limited to three types of phonons: ( I = K = 0), S (I = K = 1) and (I = K = 2). The basis of the operators, acting on the ground state is truncated by an inclusion of a reasonable number of phonon states. In the framework of this approximation one may evaluate the matrix elements of the model Hamiltonian and diagonalize it by standard numerical methods to fit the experimental spectrum. The well known picture of band hybridization is obtained as a special case of the model under consideration.}
journal = {Bulg. J. Phys.; (Bulgaria)}
volume = {6:4}
journal type = {AC}
place = {Bulgaria}
year = {1979}
month = {Jan}
}