Zobrazeno 1 - 10
of 364
pro vyhledávání: '"Rowe, D. J."'
Publikováno v:
Phys. Scr. 91, 033003 (2016)
The nuclear collective models introduced by Bohr, Mottelson and Rainwater, together with the Mayer-Jensen shell model, have provided the central framework for the development of nuclear physics. This paper reviews the microscopic evolution of the col
Externí odkaz:
http://arxiv.org/abs/1703.04640
Autor:
Welsh, T. A., Rowe, D. J.
Publikováno v:
Compt. Phys. Comm. 200 (2016) 220-253
A Maple code is presented for algebraic collective model (ACM) calculations. The ACM is an algebraic version of the Bohr model of the atomic nucleus, in which all required matrix elements are derived by exploiting the model's SU(1,1) x SO(5) dynamica
Externí odkaz:
http://arxiv.org/abs/1408.3824
Autor:
Rowe, D. J.
The purpose of these lectures is to illustrate how symmetry and pattern recognition play essential roles in the progression from experimental observation to an understanding of nuclear phenomena in terms of interacting neutrons and protons. We do not
Externí odkaz:
http://arxiv.org/abs/1304.6115
Publikováno v:
Rev. Mod. Phys. 84 (2012) 711-757
This article reviews many manifestations and applications of dual representations of pairs of groups, primarily in atomic and nuclear physics. Examples are given to show how such paired representations are powerful aids in understanding the dynamics
Externí odkaz:
http://arxiv.org/abs/1207.0148
Autor:
Rowe, D. J.
Publikováno v:
J. Phys. A: Math, Theor. 45 (2012) 24003
Several advances have extended the power and versatility of coherent state theory to the extent that it has become a vital tool in the representation theory of Lie groups and their Lie algebras. Representative applications are reviewed and some new d
Externí odkaz:
http://arxiv.org/abs/1207.0126
Autor:
Rowe, D. J.
This presentation explains why models with a dynamical symmetry often work extraordinarily well even in the presence of large symmetry breaking interactions. A model may be a caricature of a more realistic system with a "quasi-dynamical" symmetry. Th
Externí odkaz:
http://arxiv.org/abs/1106.1607
We show how multi-level BCS Hamiltonians of finite systems in the strong pairing interaction regime can be accurately approximated using multi-dimensional shifted harmonic oscillator Hamiltonians. In the Shifted Harmonic Approximation (SHA), discrete
Externí odkaz:
http://arxiv.org/abs/1011.4304
Publikováno v:
Comput.Phys.Commun.180:1150-1163,2009
The SO(5)>SO(3) spherical harmonics form a natural basis for expansion of nuclear collective model angular wave functions. They underlie the recently-proposed algebraic method for diagonalization of the nuclear collective model Hamiltonian in an SU(1
Externí odkaz:
http://arxiv.org/abs/0902.0020
Autor:
Rowe, D. J., Thiamova, G.
Alternative canonical methods for defining canonical SO(3)-coupled bases for SU(3) irreps are considered and compared. It is shown that a basis that diagonalizes a particular linear combination of SO(3) invariants in the SU(3) universal enveloping al
Externí odkaz:
http://arxiv.org/abs/0711.0978