Phys. Rev. Lett. 81, 4798–4801 (1998)Knots as Stable Soliton Solutions in a Three-Dimensional Classical Field TheoryReceived 16 September 1998; published in the issue dated 30 November 1998 We examine in detail recent claims that knotlike structures exist in a simple classical field theory which are stabilized by the Hopf charge. We present minimum energy configurations for charges one to eight generated numerically. It is found that the solutions exhibit a spectacular variety of behavior including closed loops, linked loops, and, most interestingly, knots. © 1998 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.81.4798
DOI:
10.1103/PhysRevLett.81.4798
PACS:
11.27.+d, 11.10.Lm
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