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cond-mat.mes-hall2025
Topologically nontrivial flat bands and quantum Hall crossovers in square-octagon lattice materials
Amrita Mukherjee, Rahul Verma, Pritesh Srivastava +1
Coexistence of nontrivial topology and flat electronic bands provides a fertile platform for correlated quantum states. The square-octagon lattice hosts Dirac nodes and flat bands…
cond-mat.str-el2025
Proximity-induced flat bands and topological properties in a decorated diamond chain
K Shivanand Thakur, Vihodi Theuno, Amrita Mukherjee +1
In the present study, we propose a unique scheme to generate and control multiple flat bands in a decorated diamond chain by using a strain-induced proximity effect between the dia…