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cond-mat.str-el2025
Topological phases of bosons with local parity coupling on a dimerized lattice
Ashirbad Padhan, Harsh Nigam
Symmetry-protected topological (SPT) phases in interacting bosonic systems have been widely explored, with many realizations emerging from the interplay of interactions, lattice ge…
cond-mat.str-el2024
Phases and phase transitions in a dimerized spin- XXZ chain
Harsh Nigam, Ashirbad Padhan, Diptiman Sen +2
We revisit the phase diagram of the dimerized XXZ spin- chain with nearest-neighbor couplings which was studied numerically in Phys. Rev. B 106, L201106 (2022). The mo…
cond-mat.str-el2022★ 18 cited
Realizing a symmetry protected topological phase through dimerized interactions
Suman Mondal, Ashirbad Padhan, Tapan Mishra
We show that in a system of one dimensional spinless fermions a topological phase and phase transition can emerge only through interaction. By allowing a dimerized or bond-alternat…