Mathematics – Functional Analysis
Scientific paper
Nov 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1304..359g&link_type=abstract
EXOTIC NUCLEI AND NUCLEAR/PARTICLE ASTROPHYSICS (III): From Nuclei to Stars. AIP Conference Proceedings, Volume 1304, pp. 359-3
Mathematics
Functional Analysis
Matrix Algebra, Nuclear Parity, Symmetry Breaking, Functional Analysis, Matrix Theory, Spin, Parity, And Isobaric Spin, Nuclear Tests Of Fundamental Interactions And Symmetries, Functional Analysis
Scientific paper
A systematic analysis of the triaxial particle rotor model with single-j shell configuration is carried out to explain the prominent features of observed wobbling excitations in odd A nuclei. The equations of motion for the angular momentum vectors I↻ and j↻ generate two types of equilibrium (i.e., (i) the axes aligned and (ii) the planar) states. The planar equilibrium states involve mainly the orientation degree of freedom γ and their Jacobian matrix J gives purely imaginary eigenvalues in conjugate pairs. Also, our dynamical results show a substantial projection of angular momentum vectors on all the three principal axes, which implies that the resultant angular momentum lies outside the planes of three axes. Both these signatures confirm the spontaneous breakdown of time reversal (T) plus rotation by 180° (Rπ) i.e., RπT symmetry and as a result nearly two identical bands consisting of even and odd spins emerge. We have tested our dynamical formalism for the wobbling mode observed in 163Lu.
Gupta Rajiv
Jain Arun K.
Jain Sudhir R.
Malik Salman
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