LISA FREYHULT, “FIELD DECOMPOSITION AND THE GROUND STATE STRUCTURE OF SU(2) YANG–MILLS THEORY”, Int. J. Mod. Phys. A, 17, no. 25, 2002, 3681
Ludvig Faddeev, Antti J. Niemi, “Partial duality in SU(N) Yang-Mills theory”, Physics Letters B, 449, no. 3-4, 1999, 214
Ren Ji-Rong, Guo Heng, Zhang Xin-Hui, Li Ran, “Topological Aspects in an Interacting Mixture of a Charged and a Neutral Superfluid in Neutron Stars”, Chinese Phys. Lett., 26, no. 7, 2009, 079701
Cesare Chiccoli, Paolo Pasini, Luiz Roberto Evangelista, Gregor Skačej, Rodolfo Teixeira de Souza, Claudio Zannoni, “Elastic constants and the formation of topological defects in hybrid nematic cells: A Monte Carlo study”, Phys. Rev. E, 102, no. 4, 2020, 042702
Tao Xu, “Bifurcation of vortex lines in Euler flow”, J. Phys. A: Math. Gen., 38, no. 43, 2005, 9589
Yizhou Liu, Wentao Hou, Xiufeng Han, Jiadong Zang, “Three-Dimensional Dynamics of a Magnetic Hopfion Driven by Spin Transfer Torque”, Phys. Rev. Lett., 124, no. 12, 2020, 127204
Ren Ji-Rong, Li Ran, Duan Yi-Shi, “A New Route to the Interpretation of Hopf Invariant”, Commun. Theor. Phys., 50, no. 1, 2008, 53
R. S. Ward, “Hopf solitons on compact manifolds”, Journal of Mathematical Physics, 59, no. 2, 2018, 022904
Egor Babaev, “Vortices carrying an arbitrary fraction of magnetic flux quantum, neutral superfluidity and knotted solitons in two-gap Ginzburg–Landau model”, Physica C: Superconductivity, 404, no. 1-4, 2004, 39
Paul Sutcliffe, “Hopfions in chiral magnets”, J. Phys. A: Math. Theor., 51, no. 37, 2018, 375401