Publicação: Exact static soliton solutions of (3+1)-dimensional integrable theory with nonzero hopf numbers
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1999-01-01
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In this paper, we explicitly construct an infinite number of Hopfions (static, soliton solutions with nonzero Hopf topological charges) within the recently proposed (3+1)-dimensional, integrable, and relativistically invariant field theory. Two integers label the family of Hopfions we have found. Their product is equal to the Hopf charge which provides a lower bound to the soliton’s finite energy. The Hopfions are explicitly constructed in terms of the toroidal coordinates and shown to have a form of linked closed vortices. © 1999 The American Physical Society.
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Physical Review Letters, v. 83, n. 9, p. 1723-1726, 1999.
