Integrable equations and recursion operators related to the affine Lie algebras VS Gerdjikov, DM Mladenov, AA Stefanov, SK Varbev Journal of Mathematical Physics 56 (5), 052702, 2015 | 11 | 2015 |

On a one-parameter family of mKdV equations related to the so (8) Lie algebra VS Gerdjikov, DM Mladenov, AA Stefanov, SK Varbev Mathematics in Industry”, ed. A. Slavova. Cambridge Scholar Publ, 345-354, 2014 | 11 | 2014 |

MKdV-Type of Equations Related to and A4(2) VS Gerdjikov, DM Mladenov, AA Stefanov, SK Varbev Nonlinear Mathematical Physics and Natural Hazards, 59-69, 2015 | 10 | 2015 |

MKdV-type of equations related to sl (N, C) algebra VS Gerdjikov, DM Mladenov, AA Stefanov, SK Varbev Mathematics in Industry, edited by A. Slavova, 335-344, 2014 | 10 | 2014 |

Interaction of solitons with impurities in anisotropic ferromagnetic chains RS Kamburova, SK Varbev, MT Primatarowa Physics Letters A 383 (5), 471-476, 2019 | 8 | 2019 |

On MKdV Equations Related to the Affine Kac-Moody Algebra VS Gerdjikov, DM Mladenov, AA Stefanov, SK Varbev Journal of Geometry and Symmetry in Physics 39, 17-31, 2015 | 8 | 2015 |

Soliton equations related to the affine Kac-Moody algebra D 4 (1) VS Gerdjikov, DM Mladenov, AA Stefanov, SK Varbev The European Physical Journal Plus 130 (6), 1-17, 2015 | 6 | 2015 |

The KdV-type equations related to and Kac–Moody algebras VS Gerdjikov, DM Mladenov, AA Stefanov, SK Varbev Theoretical and Mathematical Physics 207 (2), 604-625, 2021 | 3 | 2021 |

Soliton dynamics in two coupled ferromagnetic chains SK Varbev, MT Primatarowa, RS Kamburova Journal of Physics: Conference Series 794 (1), 012027, 2017 | 3 | 2017 |

Dynamics of a periodic XY chain coupled to a photon mode S Varbev, I Boradjiev, H Tonchev, H Chamati The European Physical Journal B 93 (7), 1-20, 2020 | 2 | 2020 |

Interaction of solitons with a qubit in an anisotropic Heisenberg spin chain SK Varbev, RS Kamburova, MT Primatarowa Journal of Physics: Conference Series 1186 (1), 012016, 2019 | 2 | 2019 |

MKdV equations related to the D (2) 4 algebra VS Gerdjikov, DM Mladenov, AA Stefanov, SK Varbev Roman. J. Phys 61 (1-2), 110-123, 2016 | 2 | 2016 |

Interaction of solitons with a qubit in an anisotropic Heisenberg spin chain with first and second-neighbor interactions S Varbev, I Boradjiev, R Kamburova, H Chamati Journal of Physics: Conference Series 1762 (1), 012018, 2021 | 1 | 2021 |

Solitons in a classical inhomogeneous ferromagnetic chain with nearest-and next-nearest-neighbor exchange interactions RS Kamburova, SK Varbev, MT Primatarowa AIP Conference Proceedings 2075 (1), 020008, 2019 | 1 | 2019 |

Control of a qubit state by a soliton propagating through a Heisenberg spin chain S Varbev, I Boradjiev, R Kamburova, H Chamati Physical Review E 105 (3), 034207, 2022 | | 2022 |

Single-photon generation of entangled triplet state in an atomic spin dimer S Varbev, I Boradjiev, H Chamati Journal of Physics: Conference Series 1762 (1), 012015, 2021 | | 2021 |

Soliton-impurity interaction in two coupled ferromagnetic chains RS Kamburova, MT Primatarowa, SK Varbev Journal of Physics: Conference Series 1186 (1), 012017, 2019 | | 2019 |

Soliton interaction with different point defects in classical anisotropic ferromagnets SK Varbev, RS Kamburova, MT Primatarowa AIP Conference Proceedings 2075 (1), 020009, 2019 | | 2019 |

Correlation between T_c and the Cu 4s level reveals the mechanism of high-temperature superconductivity ZD Dimitrov, SK Varbev, KJ Omar, AA Stefanov, ES Penev, TM Mishonov Bulgarian Journal Of Physics 38 (1), 106-112, 2011 | | 2011 |