Thermodynamic and electromagnetic properties of the Penson-Kolb model WR Czart, S Robaszkiewicz Physical Review B 64 (10), 104511, 2001 | 32 | 2001 |

Phase separation of superconducting phases in the Penson–Kolb–Hubbard model KJ Kapcia, WR Czart, A Ptok Journal of the Physical Society of Japan 85 (4), 044708, 2016 | 17 | 2016 |

Superconducting properties of the eta-pairing state in the Penson-Kolb-Hubbard model WR Czart, S Robaszkiewicz ACTA PHYSICA POLONICA SERIES A 106 (5), 709-714, 2004 | 16 | 2004 |

Properties of the *η*‐pairing phase of the Penson–Kolb modelS Robaszkiewicz, WR Czart physica status solidi (b) 236 (2), 416-419, 2003 | 16 | 2003 |

Properties of the extended Hubbard model with transverse (XY‐type) spin‐exchange interaction WR Czart, S Robaszkiewicz physica status solidi (b) 243 (1), 151-154, 2006 | 15 | 2006 |

Superconductivity in the two-dimensional extended Hubbard model with pair-hopping interaction S Robaszkiewicz, WR Czart AcPPB 32 (10), 3267, 2001 | 15 | 2001 |

Superfluid characteristics of the attractive Hubbard model for various lattice structures WR Czart, T Kostyrko, S Robaszkiewicz Physica C: Superconductivity 272 (1-2), 51-61, 1996 | 13 | 1996 |

Charge ordering and phase separations in the spinless fermion model with repulsive intersite interaction WR Czart, S Robaszkiewicz, B Tobijaszewska Acta Physica Polonica-Series A General Physics 114 (1), 129-134, 2008 | 11 | 2008 |

Electron orderings of half-filled extended Hubbard models with spin-and charge-exchange interaction WR Czart, S Robaszkiewicz Acta Physica Polonica-Series A General Physics 109 (4-5), 577-582, 2006 | 11 | 2006 |

Eta‐pairing and s‐wave pairing in the Penson–Kolb model with next‐nearest neighbour hopping WR Czart, S Robaszkiewicz, B Tobijaszewska physica status solidi (b) 244 (7), 2327-2330, 2007 | 9 | 2007 |

Ground state phase diagram of the extended Hubbard model with pair-hopping interaction in the limit of very narrow bandwidth KJ Kapcia, WR Czart Acta Physica Polonica A 130 (2), 617-620, 2016 | 8 | 2016 |

Properties of extended Hubbard models with anisotropic spin-exchange interaction WR Czart, S Robaszkiewicz Materials Science-Poland 25 (2), 2007 | 8 | 2007 |

Superconducting characteristics of the Penson-Kolb model WR Czart, S Robaszkiewicz Acta Physica Polonica-Series A General Physics 97 (1), 217-220, 2000 | 8 | 2000 |

Superfluid characteristics of induced-pairing model WR Czart, M Szkudlarek, S Robaszkiewicz Acta Physica Polonica A 91 (2), 415-418, 1997 | 7 | 1997 |

Ground State Phase Properties of the Penson Kolb Hubbard Model with Attractive Pair Hopping Interaction WR Czart, S Robaszkiewicz Acta Phys. Pol. A. 127, 278, 2015 | 6 | 2015 |

Ground State Phase Diagrams of the Extended Hubbard Model with Repulsive Pair Hopping Interaction for Nonfrustrated 2D Lattice WR Czart, S Robaszkiewicz Acta Phys. Pol. A. 127, 275, 2015 | 6 | 2015 |

Superconductivity of systems with coexisting itinerant electrons and local pairs WR Czart, S Robaszkiewicz International Journal of Modern Physics B 15 (23), 3125-3142, 2001 | 6 | 2001 |

Charge orderings and phase separations in itinerant fermion systems at half filling WR Czart, PR Grzybowski, M Nogala, S Robaszkiewicz Acta Physica Polonica-Series A General Physics 121 (5), 1042, 2012 | 4 | 2012 |

Charge ordering and phase separations in the molecular crystal model WR Czart, PR Grzybowski, S Robaszkiewicz Acta Physica Polonica-Series A General Physics 118 (2), 369, 2010 | 4 | 2010 |

Superconductivity of the two-dimensional Penson-Kolb model W Czart, S Robaszkiewicz Acta Physica Polonica A 6 (100), 885-895, 2001 | 4 | 2001 |