Inertial parameters of the Skyrmion-Skyrmion system with the product ansatz

Details Inertial parameters of the Skyrmion-Skyrmion system with the product ansatz Inertial parameters of the Skyrmion-Skyrmion system with the product ansatz

1993-07-14

arxiv.org/abs/nucl-th/9307016v1

Phys.Rev.C48:2498-2509,1993; Erratum-ibid.C49:3360,1994

Physics

Nuclear Physics

Nuclear Theory

25 pages, 24 uuencoded postscript figures. Uses epsf.sty

Scientific paper

10.1103/PhysRevC.48.2498 10.1103

The kinetic energy of the Skyrmion-Skyrmion system is calculated in the product ansatz. The energy is expanded in a set of rotationally invariant quadratic functions of translational and iso-rotational velocities in the product ansatz and all inertial parameters are evaluated. Most of the iso-spin dependent parameters are small at separations larger than 1 fm. However, some parameters of the coupling between the iso-rotational velocities of the Skyrmions decay slowly, as $1/R$, when zero pion mass is used. Otherwise we find that the results are not sensitive to the addition of the pion mass term.

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