71 citations · 493 across the 31 of their papers we have counts for
20 papers · 1 filter
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…
Thermodefect voltage in graphene nanoribbon junctions
Alhun Aydin, Altug Sisman, Jonas Fransson +2
Thermoelectric junctions are often made of components of different materials characterized by distinct transport properties. Single material junctions, with the same type of charge…
Signatures of interfacial topological chiral modes via RKKY exchange interaction in Dirac and Weyl systems
Ganesh C. Paul, SK Firoz Islam, Paramita Dutta +1
We theoretically investigate the features of Ruderman-Kittel-Kasuya-Yosida (RKKY) exchange interaction between two magnetic impurities, mediated by the interfacial bound states ins…
Probing the edge states in a zigzag phosphorene nanoribbon via RKKY exchange interaction
SK Firoz Islam, Paramita Dutta, A. M. Jayannavar +1
Phosphorene is an anisotropic puckered two-dimensional (D) hexagonal lattice of phosphorus atoms. The edge modes in a zigzag phosphorene nanoribbon (ZPNR) are quasi-flat in natu…
Effects due to unconventional pairing in transport through a normal metalsuperconductor-normal metal hybrid junction
Ganesh C. Paul, Paramita Dutta, Arijit Saha
We explore transport properties of a normal metal-superconductor-normal metal (NSN) junction, where the superconducting region supports mixed singlet and chiral triplet pairings. W…
Enhancement of crossed Andreev reflection in normal-superconductor-normal junction of thin topological insulator
SK Firoz Islam, Paramita Dutta, Arijit Saha
We theoretically investigate the subgapped transport phenomena through a normal-superconductor-normal (NSN) junction made up of ultra thin topological insulator with proximity indu…
Valley-polarized magnetoconductivity and particle-hole symmetry breaking in a periodically modulated - lattice
SK Firoz Islam, Paramita Dutta
We explore the transport properties of a periodically modulated - lattice in the presence of a perpendicular magnetic field. The effect of the Berry phase on elec…
Thermoelectric properties of a ferromagnet-superconductor hybrid junction: Role of interfacial Rashba spin-orbit interaction
Paramita Dutta, Arijit Saha, A. M. Jayannavar
We investigate thermoelectric properties of a ferromagnet-superconductor hybrid structure with Rashba spin-orbit interaction and delta function potential barrier at the interfacial…
Aharonov-Bohm effect in a helical ring with long-range hopping: Effects of Rashba spin-orbit interaction and disorder
Paramita Dutta, Arijit Saha, A. M. Jayannavar
We study Aharonov-Bohm effect in a two-terminal helical ring with long-range hopping in presence of Rashba spin-orbit interaction. We explore how the spin polarization behavior cha…
Transport and noise properties of a normal metal-superconductor-normal metal junction with mixed singlet and chiral triplet pairings
Ganesh C. Paul, Paramita Dutta, Arijit Saha
We study transport and zero frequency shot noise properties of a normal metal-superconductor-normal metal (NSN) junction, with the superconductor having mixed singlet and chiral tr…
Spin filtering and switching action in a diamond network with magnetic-nonmagnetic atomic distribution
Biplab Pal, Paramita Dutta
We propose a simple model quantum network consisting of diamond-shaped plaquettes with deterministic distribution of magnetic and non-magnetic atoms in presence of a uniform extern…
Magneto-transport in closed and open mesoscopic loop structures: A review
Paramita Dutta, Santanu K. Maiti
Magneto-transport properties in closed and open loop structures are carefully reviewed within a tight-binding formalism. A novel mesoscopic phenomenon where a non-vanishing current…
Electric field induced localization phenomena in a ladder network with superlattice configuration: Effect of backbone environment
Paramita Dutta, Santanu K. Maiti, S. N. Karmakar
Electric field induced localization properties of a tight-binding ladder network in presence of backbone sites are investigated. Based on Green's function formalism we numerically…
A renormalization group study of persistent current in a quasiperiodic ring
Paramita Dutta, Santanu K. Maiti, S. N. Karmakar
We propose a real-space renormalization group approach for evaluating persistent current in a multi-channel quasiperiodic fibonacci tight-binding ring based on a Green's function f…
Positional dependence of energy gap on line defect in armchair graphene nanoribbons: Two-terminal transport and related issues
Paramita Dutta, Santanu K. Maiti, S. N. Karmakar
The characteristics of energy band spectrum of armchair graphene nanoribbons in presence of line defect are analyzed within a simple non-interacting tight-binding framework. In met…
Magneto-transport in a binary alloy ring
Paramita Dutta, Santanu K. Maiti, S. N. Karmakar
Magneto-transport properties are investigated in a binary alloy ring subjected to an Aharonov-Bohm (AB) flux ϕwithin a single-band non-interacting tight-binding framework. In the f…
Integer Quantum Hall Effect in a Lattice Model Revisited: Kubo Formalism
Paramita Dutta, Santanu K. Maiti, S. N. Karmakar
We investigate numerically the integer quantum Hall effect (IQHE) in a two-dimensional square lattice with non-interacting electrons subjected to disorder and uniform magnetic fiel…
Magnetic Response in a Zigzag Carbon Nanotube
Paramita Dutta, Santanu K. Maiti, S. N. Karmakar
Magnetic response of interacting electrons in a zigzag carbon nanotube threaded by a magnetic flux is investigated within a Hartree-Fock mean field approach. Following the descript…
Multi-terminal Electron Transport Through Single Phenalenyl Molecule: A Theoretical Study
Paramita Dutta, Santanu K. Maiti, S. N. Karmakar
We do parametric calculations to elucidate multi-terminal electron transport properties through a molecular system where a single phenalenyl molecule is attached to semi-infinite o…
Quantum Transport in an Array of Mesoscopic Rings: Effect of Interface Geometry
Paramita Dutta, Santanu K. Maiti, S. N. Karmakar
Electron transport properties are investigated in an array of mesoscopic rings, where each ring is threaded by a magnetic flux . The array is attached to two semi-infinite one-d…