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cond-mat.supr-con2025
Enhanced Andreev Reflection in Flat-Band Systems: Wave Packet Dynamics, DC Transport and the Josephson Effect
Sarbajit Mazumdar, Anamitra Mukherjee, Kush Saha +1
We investigate Andreev reflection (AR) in a proximity-induced normal-superconductor (NS) junction within the extended lattice, emphasizing the impact of flat band…
cond-mat.str-el2025
Exactly solvable spin liquids in Kitaev bilayers and moiré superlattices
Ivan Dutta, Anamitra Mukherjee, Onur Erten +1
Building on the recent advancements on moiré superlattices, we propose an exactly solvable model with Kitaev-type interactions on a bilayer honeycomb lattice for both AA stacking a…
cond-mat.mes-hall2025
Spin-imbalance induced buried topological edge currents in Mott \& topological insulator heterostructures
Rahul Ghosh, Subhajyoti Pal, Kush Saha +1
We theoretically investigate the heterostructure between a ferrimagnetic Mott insulator and a time-reversal invariant topological band insulator on the two-dimensional Lieb lattice…