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cond-mat.str-el2026
Transitions and Critical Divergences in Periodically Hopping Modulated Su-Schrieffer-Heeger Chains
Surajit Mandal, Satyaki Kar
We use a curvature renormalization group (CRG) approach to study the topological phase transitions in a Su-Schrieffer-Heeger chain and its extensions coming from periodic hopping m…
cond-mat.str-el2026
Interplay of Anisotropy, Dzyaloshinskii Moriya Interaction and Symmetry breaking Fields in a 2D XY Ferromagnet
Rajdip Banerjee, Satyaki Kar
A two dimensional classical ferromagnetic XY model with its bound vortex-antivortex dominated quasi long range ordered phase at low temperatures is a long standing as well as well…
cond-mat.mes-hall2026
Electrical and Thermal conductance through a Nodal Surface Semimetal-Insulator-Superconductor junction
Bhaskar Pandit, Debabrata Sinha, Satyaki Kar
Motivated by the unique dispersions close to the two dimensional band crossing in a topologically charged nodal surface semimetal (NSSM) spectrum, we perform theoretical analysis o…