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cond-mat.mes-hall2023★ 5 cited
Quantum phases of spin-1/2 extended XY model in transverse magnetic field
Rakesh Kumar Malakar, Asim Kumar Ghosh
In this study, a spin-1/2 extended anisotropic XY chain has been introduced in which both time reversal and SU(2) symmetries are broken but symmetry is preserved. Magnetic an…
cond-mat.mes-hall2023
Topological phases of monolayer and bilayer depleted Lieb lattices
Arghya Sil, Asim Kumar Ghosh
Existence of nontrivial topological phases in a tight binding Haldane-like model on the depleted Lieb lattice is reported. This two-band model is formulated by considering the near…