Spin-excitation mechanisms in Skyrme-force time-dependent Hartree-Fock calculations

J. A. Maruhn, P.-G. Reinhard, P. D. Stevenson, and M. R. Strayer
Phys. Rev. C 74, 027601 – Published 11 August 2006

Abstract

We investigate the role of odd-odd (with respect to time inversion) couplings in the Skyrme force on collisions of light nuclei, employing a fully three-dimensional numerical treatment without any symmetry restrictions and with modern Skyrme functionals. We demonstrate the necessity of these couplings to suppress spurious spin excitations owing to the spin-orbit force in free translational motion of a nucleus but show that in a collision situation there is a strong spin excitation even in spin-saturated systems which persists in the departing fragments. The energy loss is considerably increased by the odd-odd terms.

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  • Received 26 April 2006

DOI:https://doi.org/10.1103/PhysRevC.74.027601

©2006 American Physical Society

Authors & Affiliations

J. A. Maruhn1, P.-G. Reinhard2, P. D. Stevenson3, and M. R. Strayer4

  • 1Institut für Theoretische Physik, Universität Frankfurt, Max-von-Laue-Str. 1, D-60438 Frankfurt am Main, Germany
  • 2Institut für Theoretische Physik II, Universität Erlangen-Nürnberg, Staudtstrasse 7, D-91058 Erlangen, Germany
  • 3Department of Physics, University of Surrey, Guildford, Surrey GU2 7XH, United Kingdom
  • 4Physics Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831-6373, USA

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Issue

Vol. 74, Iss. 2 — August 2006

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