A New Description of Nuclear Rotational Motion in terms of Intrinsic Pair Mode

Details A New Description of Nuclear Rotational Motion in terms of Intrinsic Pair Mode A New Description of Nuclear Rotational Motion in terms of Intrinsic Pair Mode

2001-11-07

arxiv.org/abs/nucl-th/0111017v1

Prog.Theor.Phys. 107 (2002) 363-376

Physics

Nuclear Physics

Nuclear Theory

14pages,1figure

Scientific paper

A new method describing nuclear rotational motion microscopically is proposed. We extract the rotational Hamiltonian by introducing the intrinsic pair modes which commute with the rotational mode. Thereby the rotational mode is not treated as zero energy mode in contrast with the conventional RPA formalism so that we circumvent the difficulty related with infrared divergence. The wave function is constructed by angular momentum projection on each intrinsic state. Without numerical integration for projection we calculate the matrix elements analytically under a certain approximation. The numerical calculations are carried out to illustrate the applicability of our method and they show that our method works well.

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