Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1994-08-30
Nucl.Phys. B431 (1994) 97-118
Physics
High Energy Physics
High Energy Physics - Theory
uuencoded tex file, 27 pages including 4 figures, requires phyzzx macro. DAMTP 94-55
Scientific paper
10.1016/0550-3213(94)90099-X
It has been proposed by Atiyah and Manton that the dynamics of Skyrmions may be approximated by motion on a finite dimensional manifold obtained from the moduli space of SU(2) Yang-Mills instantons. Motivated by this work we describe how similar results exist for other soliton and instanton systems. We describe in detail two examples for the approximation of the infinite dimensional dynamics of sine-Gordon solitons by finite dimensional dynamics on a manifold obtained from instanton moduli. In the first example we use the moduli space of CP1 instantons and in the second example we use the moduli space of SU(2) Yang-Mills instantons. The metric and potential functions on these manifolds are constructed and the resulting dynamics is compared with the explicit exact soliton solutions of the sine-Gordon theory.
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