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cond-mat.str-el2021★ 14 cited
Fractional magnetization plateaux of a spin-1/2 Heisenberg model on the Shastry-Sutherland lattice: effect of quantum XY interdimer coupling
T. Verkholyak, J. Strecka
Spin-1/2 Heisenberg model on the Shastry-Sutherland lattice is considered within the many-body perturbation theory developed from the exactly solved spin-1/2 Ising-Heisenberg model…
cond-mat.str-el2017★ 2 cited
The influence of further-neighbor spin-spin interaction on a ground state of 2D coupled spin-electron model in a magnetic field
Hana Čenčariková, Jozef Strečka, Andrej Gendiar +1
An exhaustive ground-state analysis of extended two-dimensional (2D) correlated spin-electron model consisting of the Ising spins localized on nodal lattice sites and mobile electr…