Interactions of B = 4 Skyrmions

Details Interactions of B = 4 Skyrmions Interactions of B = 4 Skyrmions

2011-12-09

arxiv.org/abs/1112.2119v1

Physics

High Energy Physics

High Energy Physics - Theory

21 pages, 11 figures

Scientific paper

It is known that the interactions of single Skyrmions are asymptotically described by a Yukawa dipole potential. Less is known about the interactions of solutions of the Skyrme model with higher baryon number. In this paper, it is shown that Yukawa multipole theory can be more generally applied to Skyrmion interactions, and in particular to the long-range dominant interactions of the B = 4 solution of the Skyrme model, which models the alpha-particle. A method that gives the quadrupole nature of the interaction a more intuitive meaning in the pion field colour picture is demonstrated. Numerical methods are employed to find the precise strength of quadrupole and octupole interactions. The results are applied to the B = 8 and B = 12 solutions and to the Skyrme crystal.

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