10 citations · 16 across the 15 of their papers we have counts for
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Hierarchy of topological superconductivity generated via heterostructures of unconventional -wave magnets
Koushik R. Das, Arijit Saha
A theoretical framework is proposed to engineer both first and second-order topological superconducting phases in a two-dimensional (2D) heterostructure, consisting of a quantum sp…
Quantum geometric signatures of Link-Unlink transitions and nonlinear Hall response in Hopf-link semimetals
Kamalesh Bera, Arijit Saha, Debashree Chowdhury
Quantum geometry, comprising of quantum metric and Berry curvature, plays a significant role in the electronic transport properties of solids. In this work, we theoretically invest…
Superconducting diode effect via Floquet topological Fulde-Ferrell phase in driven Rashba nanowire
Sayak Bhowmik, Arijit Saha, Tanay Nag
Much has been studied on Floquet engineering in Rashba nanowire model regarding topological superconductivity hosting Majorana - and anomalous -modes, here we theoretically i…
Current switching behavior mediated via hinge modes in higher-order topological phases using altermagnets
Minakshi Subhadarshini, Amartya Pal, Arijit Saha
We propose a theoretical framework to engineer hybrid-order and higher-order topological phases in three-dimensional topological insulators by coupling to -wave altermagnets (AM…
Topological superconductivity and superconducting diode effect mediated via unconventional magnet and Ising spin-orbit coupling
Amartya Pal, Debashish Mondal, Tanay Nag +1
We propose a theoretical framework in which a one-dimensional (1D) tight-binding model incorporating unconventional magnetic order together with Rashba and Ising spin-orbit couplin…
Non-Hermitian band topology in twisted bilayer graphene aligned with hexagonal boron nitride
Kamalesh Bera, Debasish Mondal, Arijit Saha +1
Utilizing the established Bistritzer-MacDonald model for twisted bilayer graphene (tBLG), we theoretically investigate the non-Hermitian (NH) topological properties of this in the…
Thermoelectric properties of magic angle twisted bilayer graphene-superconductor hetero-junction: effect of valley polarization and trigonal warping
Kamalesh Bera, Pritam Chatterjee, Priyanka Mohan +1
We theoretically investigate the thermoelectric properties (electronic contribution) of a normal-superconductor (NS) hybrid junction, where the normal region consists of magic-angl…
Tailoring topological band properties of twisted double bilayer graphene: effects due to spin-orbit coupling
Kamalesh Bera, Priyanka Mohan, Arijit Saha
Our theoretical study unfolds the topological phase transitions (within bands of the Moiré super-lattice) in small angle twisted double bilayer graphene (tDBLG) under the influence…
Fermi arcs mediated transport in inversion symmetry-broken Weyl semimetal nanowire and its hybrid junctions
Amartya Pal, Paramita Dutta, Arijit Saha
The emergence of gapless surface states, known as Fermi arcs (FAs), is one of the unique properties of the novel topological Weyl semimetal (WSM). However, extracting the signature…