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7 papers · 2 filters
Consequences Of Fully Dressing Quark-Gluon Vertex Function With Two-Point Gluon Lines
Hrayr H. Matevosyan, Anthony W. Thomas, Peter C. Tandy
We extend recent studies of the effects of quark-gluon vertex dressing upon the solutions of the Dyson-Schwinger equation for the quark propagator. A momentum delta function is use…
Evidence for Symplectic Symmetry in Ab Initio No-Core Shell Model Results for Light Nuclei
Tomas Dytrych, Kristina D. Sviratcheva, Chairul Bahri +2
Clear evidence for symplectic symmetry in low-lying states of C and O is reported. Eigenstates of C and O, determined within the framework of the no-cor…
Global Properties of fp-Shell Interactions in Many-nucleon Systems
K. D. Sviratcheva, J. P. Draayer, J. P. Vary
Spectral distribution theory, which can be used to compare microscopic interactions over a broad range of nuclei, is applied in an analysis of two modern effective interactions bas…
Underlying symmetries of realistic interactions and the nuclear many-body problem
K. D. Sviratcheva, J. P. Draayer, J. P. Vary
The present study brings forward important information, within the framework of spectral distribution theory, about the types of forces that dominate three realistic interactions,…
Isospin symmetry breaking in an algebraic pairing Sp(4) model
K. D. Sviratcheva, A. I. Georgieva, J. P. Draayer
An exactly solvable sp(4) algebraic approach extends beyond the traditional isospin conserving nuclear interaction to bring forward effects of isospin symmetry breaking and isospin…
Dynamical symmetry of isobaric analog 0+ states in medium mass nuclei
K. D. Sviratcheva, A. I. Georgieva, J. P. Draayer
An algebraic sp(4) shell model is introduced to achieve a deeper understanding and interpretation of the properties of pairing-governed 0+ states in medium mass atomic nuclei. The…