X.-J. Liu, H. Jing, X. Liu, M.-L. Ge, “Generation of two-flavor vortex atom laser from a five-state medium”, Eur. Phys. J. D, 37, no. 2, 2006, 261
Yong-Kai Liu, Shi-Jie Yang, “Three-dimensional solitons in two-component Bose—Einstein condensates”, Chinese Phys. B, 23, no. 11, 2014, 110308
L.A Ferreira, Nobuyuki Sawado, Kouichi Toda, “Static Hopfions in the extended Skyrme-Faddeev model”, J. High Energy Phys., 2009, no. 11, 2009, 124
A. N. Kalinkin, V. M. Skorikov, “Toroidal spin ordering in BiFeO3, GaFeO3, and Cr2O3 in the Faddeev model with a magnetic field”, Inorg Mater, 45, no. 2, 2009, 189
I. Maccari, E. Babaev, “Effects of intercomponent couplings on the appearance of time-reversal symmetry breaking fermion-quadrupling states in two-component London models”, Phys. Rev. B, 105, no. 21, 2022, 214520
Ji-rong Ren, Ran Li, Yi-shi Duan, “Inner topological structure of Hopf invariant”, Journal of Mathematical Physics, 48, no. 7, 2007, 073502
Karl A. H. Sellin, Egor Babaev, “First-order phase transition and tricritical point in multibandU(1)London superconductors”, Phys. Rev. B, 93, no. 5, 2016, 054524
Yishi Duan, Xinhui Zhang, Yuxiao Liu, Li Zhao, “Knotted solitons in a charged two-condensate Bose system”, Phys. Rev. B, 74, no. 14, 2006, 144508
M. N. Chernodub, A. S. Nedelin, “Pipelike current-carrying vortices in two-component condensates”, Phys. Rev. D, 81, no. 12, 2010, 125022
Mihail Silaev, Julien Garaud, Egor Babaev, “Unconventional thermoelectric effect in superconductors that break time-reversal symmetry”, Phys. Rev. B, 92, no. 17, 2015, 174510