arXiv Nuclear Theory
arXiv Nuclear Theory
5 years ago

Surface corrections to the moment of inertia and shell structure in finite Fermi systems. (arXiv:1510.03756v3 [nucl-th] UPDATED)

D.V. Gorpinchenko, A.G. Magner, J. Bartel, J.P. Blocki
The moment of inertia for nuclear collective rotations is derived within a semiclassical approach based on the Inglis cranking and Strutinsky shell-correction methods, improved by surface corrections within the nonperturbative periodic-orbit theory. For adiabatic (statistical-equilibrium) rotations it was approximated by the generalized rigid-body moment of inertia accounting for the shell corrections of the particle density. An improved phase-space trace formula allows to express the shell components of the moment of inertia more accurately in terms of the free-energy shell correction. Evaluating their ratio within the extended Thomas-Fermi effective-surface approximation, one finds good agreement with the quantum calculations.

Publisher URL: http://arxiv.org/abs/1510.03756

DOI: arXiv:1510.03756v3

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