Inertial parameters and superfluid-to-normal phase transition in superdeformed bands

Details Inertial parameters and superfluid-to-normal phase transition in superdeformed bands Inertial parameters and superfluid-to-normal phase transition in superdeformed bands

2000-01-16

arxiv.org/abs/nucl-th/0001028v1

JETP Lett. 71 (2000) 4-7

Physics

Nuclear Physics

Nuclear Theory

8 pages, LaTeX, 3 figures

Scientific paper

10.1134/1.568275

The quasiclassically exact solution for the second inertial parameter $\cal B$ is found in self-consistent way. It is shown that superdeformation and nonuniform pairing arising from the rotation induced pair density significantly reduce this inertial parameter. The different limiting cases for $\cal B$, which allow to study an interplay between rapid rotation, pairing correlations, and mean field deformation, are considered. The new signature for the transition from pairing to normal phase is suggested in terms of the variation of ${\cal B}/{\cal A}$ versus spin. Experimental data indicate the existence of such transition in the three superdeformed mass regions.

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