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6 papers · 1 filter
Nuclear rainbow scattering and nucleus-nucleus potential
Dao T. Khoa, W. von Oertzen, H. G. Bohlen +1
Elastic scattering of alpha-particle and some tightly-bound light nuclei has shown the pattern of rainbow scattering at medium energies, which is due to the refraction of the incid…
Semi-Classical Approach to the Two-Level Pairing Model --Various Aspects of Phase Change--
Y. Tsue, C. Providencia, J. da Providencia +1
Aspects of the phase change of the two-level pairing model are investigated in the semi-classical treatment by using the variational approch with the mixed-mode coherent state. In…
Dimensional Analysis and Physical Laws
Shinji Tanimoto
Dimensional analysis provides many simple and useful tools for various situations in science. The objective of this paper is to investigate its relations to functions, i.e., the di…
A Note on the Two-Level Pairing Model Obeying the su(2)*su(2)-Algebra
C. Providencia, J. da Providencia, Y. Tsue +1
The two-level pairing model obeying the su(2)*su(2)-algebra, which was discussed in the previous paper, is re-formed in the framework of the su(1,1)*su(1,1)-algebra in the Schwinge…
A New Boson Realization of Two-Level Pairing Model in Many-Fermion System and its Classical Counterpart
C. Providencia, J. da Providencia, Y. Tsue +1
A new method for describing the two-level pairing model in a many-fermion system is presented. Basic idea comes from the Schwinger boson representation for the su(2) cross su(2)-al…
Nonclassical rotational behavior at the vicinity of the lamda point
Shun-ichiro Koh
The rotational property of a quantum liquid at the vicinity of the lambda point is examined. In a liquid helium 4 just above the lambda point, under the strong influence of Bose st…