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We construct stable domain walls in a shape of a torus in the Faddeev-Skyrme model with a quadratic potential term admitting two discrete vacua.
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M. Eto, Y. Isozumi, M. Nitta, K. Ohashi and N. Sakai, “Webs of walls,” Phys. Rev. D 72
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2004
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M. Arai, M. Nitta and N. Sakai, “Vacua of massive hyperKahler sigma models of nonAbelian quotient,” Prog. Theor. Phys. 113
2005
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Y. Isozumi, M. Nitta, K. Ohashi and N. Sakai, “Construction of non-Abelian walls and their complete moduli space,” Phys. Rev. Lett. 93
2005
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Y. Isozumi, M. Nitta, K. Ohashi and N. Sakai, “All exact solutions of a 1/4 Bogomol’nyi-Prasad-Sommerfield equation,” Phys. Rev. D 71
2006
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M. Eto, Y. Isozumi, M. Nitta, K. Ohashi and N. Sakai, “Non-Abelian webs of walls,” Phys. Lett. B 632
2006
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P. Sutcliffe, “Knots in the Skyrme-Faddeev model,” Proc. Roy. Soc. Lond. A 463
2007
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L. D. Faddeev, Princeton preprint IAS-75-QS70
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2010
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D. Foster, “Massive Hopfions,” Phys. Rev. D 83
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M. Nitta, “Knots from wall–anti-wall annihilations with stretched strings,” Phys. Rev. D 85
2012
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M. Nitta, “Defect formation from defect–anti-defect annihilations,” Phys. Rev. D 85
2012
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2012
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M. Kobayashi and M. Nitta, “Jewels on a wall ring,” Phys. Rev. D 87
2013
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