Chaoticity in Vibrating Nuclear Billiards

Details Chaoticity in Vibrating Nuclear Billiards Chaoticity in Vibrating Nuclear Billiards

1995-05-25

arxiv.org/abs/nucl-th/9505036v1

Phys.Rev.C52:2475-2479,1995

Physics

Nuclear Physics

Nuclear Theory

LateX, 10 pages, 3 figures available on request

Scientific paper

10.1103/PhysRevC.52.2475

We study the motion of classical particles confined in a two-dimensional "nuclear" billiard whose walls undergo periodic shape oscillations according to a fixed multipolarity. The presence of a coupling term in the single particle Hamiltonian between the particle motion and the collective coordinate generates a fully selfconsistent dynamics. We consider in particular monopole oscillations and demonstrate that self-consistency is essential in order to induce chaotic single-particle motion. We also discuss the dissipative behaviour of the wall motion and its relation with the order-to-chaos transition in the dynamics of the microscopic degrees of freedom. Analogous considerations can be extended to higher multipolarities.

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