TAO XU, HONGLING SU, GANG ZHOU, XIWEI HU, “ASPECT ON BIFURCATION OF ELECTROMAGNETIC VORTEX LINE”, Mod. Phys. Lett. A, 21, № 17, 2006, 1369
Juha Jäykkä, Joonatan Palmu, “Knot solitons in a modified Ginzburg-Landau model”, Phys. Rev. D, 83, № 10, 2011, 105015
L. A. Ferreira, J. Jäykkä, Nobuyuki Sawado, Kouichi Toda, “Vortices in the extended Skyrme-Faddeev model”, Phys. Rev. D, 85, № 10, 2012, 105006
A. N. Efremov, “The gluon condensate in an effective SU(2) Yang–Mills theory”, Int. J. Mod. Phys. A, 34, № 02, 2019, 1950018
Eugen Radu, D.H. Tchrakian, Yisong Yang, “Abelian Hopfions of the model on and a fractionally powered topological lower bound”, Nuclear Physics B, 875, № 2, 2013, 388
K.-I. Kondo, T. Murakami, T. Shinohara, “BRST symmetry of
$SU\!(2)$ Yang-Mills theoryin Cho-Faddeev-Niemi decomposition”, Eur. Phys. J. C, 42, № 4, 2005, 475
William T.M. Irvine, “Moreau's hydrodynamic helicity and the life of vortex knots and links”, Comptes Rendus. Mécanique, 346, № 3, 2017, 170
Juha Jäykkä, “Stability of topological solitons in modified two-component Ginzburg-Landau model”, Phys. Rev. D, 79, № 6, 2009, 065006
Xu Tao, “Topological Structure of Vortices in Multicomponent Bose—Einstein Condensates”, Chinese Phys. Lett., 26, № 9, 2009, 096701
L A Ferreira, Nobuyuki Sawado, Kouichi Toda, “Axially symmetric soliton solutions in a Skyrme–Faddeev-type model with Gies's extension”, J. Phys. A: Math. Theor., 43, № 43, 2010, 434014