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The head of the Department is prof. dr hab. Tadeusz Kopeć.Research Correlated‐electron and quantum‐critical phenomena:Modeling charge, spin and orbital ordering, quantum-critical behavior near Mott transitions, and frustration- and anisotropy-driven phase transitions in low-dimensional magnets. Superconductivity and superfluidity: Investigation of layered high-temperature superconductors, bosonic superfluids in optical lattices, and excitonic superfluid phases under varying geometries and external fields. Electronic structure, microscopic properties and spectroscopy: Ab initio determination of solid‐state electronic properties and reconstruction of Fermi surfaces from spectroscopic data. Frustration and collective dynamics: Analytical and computational studies of frustrated spin systems (2D lattices, ladders and zig-zag structures with multi-spin interactions) and Sznajd-type agent-based models of opinion dynamics, including crossover anomalies and phase-transition behavior. Important publicationsList of all scientific articles published by researchers from the Division of Theory of Condensed Matter can be accessed here: BASE of KNOWLEDGE DTCM.2024 R. Eder, P. Wróbel, "Magnetic polarons in the Kondo lattice" Physical Review B 110 (2024) 035112 T. Kopeć "Interaction-driven crossover from Mott insulator–superfluid criticality to Bose-Einstein condensation in a simple cubic lattice" Physical Review B 110 (2024) 144517 J. Sznajd "Frustration—no frustration crossover and phase transitions in 2D spin models with zig-zag structures" Journal of Statistical Mechanics-Theory and Experiment 2024 (2024) 053202 V. Apinyan, M. Sahakyan "Unusual spin-triplet superconductivity in monolayer graphene" European Physical Journal B 97 (2024) 75 K. Bilińska, M. Winiarski "Machine Learning-Based Predictions of Power Factor for Half-Heusler Phases" Crystals 14 (2024) 354 2023 M. Antkowiak, Ł. Kucharski, R. Lemański, G. Kamieniarz "Algorithms on low energy spectra of the Hubbard model pertinent to molecular nanomagnets" Concurrency and Computation-Practice & Experience 36 (2023) e7931 V. Apinyan "Spontaneous Magnetization in the Finite-Size Two-Leg Ising Ladder in the External Magnetic Field" Recent Progress in Materials 05 (2023) 1 K. Bilińska, D. Goles, M. Winiarski "A theoretical investigation of 18-electron half-Heusler tellurides in terms of potential thermoelectric value" European Physical Journal B 96 (2023) 131 S. Anufriiev, T. Zaleski "Mixtures of ultracold atomic gases in optical lattices with nonzero pair or counterflow hopping" Low Temperature Physics 49 (2023) 267 I. Gruss, J. Twardowski, M. Samsel-Czekała, J. Beznosiuk, C. Wandzel, K. Twardowska, R. Wiglusz "The isothermal Boltzmann–Gibbs entropy reduction affects survival of the fruit fly Drosophila melanogaster" Scientific Reports 13 (2023) 14166 K. Singh, S. Dan, A. Ptok, T. Zaleski, O. Pavlosiuk, P. Wiśniewski, D. Kaczorowski "Superexchange interaction in insulating EuZn2P2" Physical Review B 108 (2023) 05440 D. Stefańska, B. Bondzior, M. Winiarski, P. Dereń "Influence of the charge compensating agent on tunable emission of the Ba2MgWO6:Eu3+ double perovskite" Ceramics International 49 (2023) 16038 2022 V. Apinyan, T. Kopeć "Excitonic condensation and metal-semiconductor transition in AA bilayer graphene in an external magnetic field" Physical Review B 105 (2022) 184503 R. Eder, P. Wróbel "Channel order in the two-channel Kondo lattice" Physical Review B 105 (2022) 125133 B. Grygiel, K. Patucha "Excitation spectra of strongly interacting bosons in the flat-band Lieb lattice" Physical Review B 106 (2022) 224514 A. Piekarska, T. Kopeć "Stability of the replica-symmetric solution in the off-diagonally-disordered Bose–Hubbard model" Journal of Statistical Mechanics-Theory and Experiment 2022 (2022) 073302 J. Sznajd "Ising spin ladder with trimer rungs and next-nearest-neighbor coupling: frustration in physics and agent models" Journal of Statistical Mechanics-Theory and Experiment 2022 (2022) 023402 M. Winiarski, D. Kowalska "Electronic structure of hexagonal REN (RE = Sc, Y, and Lu) materials" Materials Chemistry and Physics 292 (2022) 126794 2021 K. Sznajd-Weron, J. Sznajd, T. Weron "A review on the Sznajd model — 20 years after" Physica A-Statistical Mechanics and Its Applications 565 (2021) 125537 V. Apinyan, T. Kopeć "Antiferromagnetic ordering and excitonic pairing in AA-stacked bilayer graphene" Physical Review B 104 (2021) 075426 B. Grygiel, T. Zaleski "Momentum-resolved conductivity of strongly interacting bosons in an optical lattice" Physical Review B 104 (2021) 104511 K. Kapcia, R. Lemański, M. Zygmunt "Extended Falicov–Kimball model: Hartree–Fock vs DMFT approach" Journal of Physics-Condensed Matter 33 (2021) 065602 J. Matysiak, R. Lemański "Description of molecular nanomagnets by the multiorbital Hubbard model with correlated hopping" Physical Review B 104 (2021) 014431 E. Piskorska-Hommel, M. Winiarski, M. Kurnatowska "Low temperature reducibility of Ce4+ ions in Ce0.7Yb0.2Pd0.1O2-δ: in situ XANES study" Materials Chemistry and Physics 257 (2021) 123852 P. Ruszała, M. Winiarski, M. Samsel-Czekała "Electronic properties of La1−Tl N systems by ab initio calculations" Journal of Physics and Chemistry of Solids 159 (2021) 110274 P. Ruszała, M. Winiarski, M. Samsel-Czekała, L.M. Tran, M. Babij, Z. Bukowski "Tilted Dirac cone gapped due to spin-orbit coupling and transport properties of a 3D metallic system CaIr2Ge2" Journal of Alloys and Compounds 858 (2021) 158260. J. Sznajd "From modeling of political opinion formation to two-spin statistical physics model" Journal of Statistical Mechanics-Theory and Experiment 2021 (2021) 013210 2020 V. Apinyan, M. Sahakyan "Dirac's Spectrum from Newton’s Laws in Graphene" Recent Progress in Materials 2 (2020) 16 V. Apinyan, T. Kopeć "High thermoelectric performance in excitonic bilayer graphene" Physica E-Low-Dimensional Systems & Nanostructures 124 (2020) 114234 K.J. Kapcia, J. Krawczyk, R. Lemański "Extended Falicov-Kimball model at weak onsite and intersite Coulomb interactions" Condensed Matter Physics 23 (2020) 43706 A. Piekarska, T. Kopeć "Dynamical correlations and a quantum glass phase in a random hopping Bose-Hubbard model" Journal of Statistical Mechanics-Theory and Experiment 2020 (2020) 024001 Robarts H.C., Millichamp T.E., Lagos D.A. [i in.] "Extreme Fermi Surface Smearing in a Maximally Disordered Concentrated Solid Solution" Physical Review Letters 124 (2020) 046402 P. Wagner, P. Wróbel, R. Eder "Ferromagnetism in the Kondo-lattice" European Physical Journal B 93 (2020) 58 M. Winiarski, D. Kowalska "Crystal structure of rare earth and group III nitride alloys by ab initio calculations" Scientific Reports 10 (2020) 16414 StaffLIST OF DIVISION STAFF See also The Institute General information Emploees News Scientific News Gender equality plan Address and contact data Research Research profile List of publications List of Projects Information in BIP Scientific Council Organizational structure GDPR
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Division of Theory of Condensed Matter explores fundamental phase-transition phenomena in strongly correlated systems—ranging from high-temperature superconductivity and quantum magnetism to bosonic superfluidity—using a combination of analytical, ab initio and computational methods..
The head of the Department is prof. dr hab. Tadeusz Kopeć.
List of all scientific articles published by researchers from the Division of Theory of Condensed Matter can be accessed here: BASE of KNOWLEDGE DTCM.