71 citations · 493 across the 31 of their papers we have counts for
31 papers
Identifying Bogoliubov Fermi surfaces via thermoelectric response in a -wave superconductor heterostructure
Amartya Pal, Paramita Dutta, Arijit Saha
We theoretically investigate the thermoelectric response of Bogoliubov Fermi surfaces (BFSs) generated in a two dimensional unconventional -wave superconductor subjected to an e…
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…
Transport signatures of Bogoliubov Fermi surfaces in normal metal/time-reversal symmetry broken -wave superconductor junctions
Amartya Pal, Arijit Saha, Paramita Dutta
In recent times, Bogoliubov Fermi surfaces (BFSs) in superconductors (SCs) have drawn significant attention due to a substantial population of Bogoliubov quasiparticles (BQPs) toge…
Nonlocality of Majorana bound states revealed by electron waiting times in a topological Andreev interferometer
Paramita Dutta, Jorge Cayao, Annica M. Black-Schaffer +1
The analysis of waiting times of electron transfers has recently become experimentally accessible owing to advances in noninvasive probes working in the short-time regime. We study…
Phase-dependent charge and heat current in thermally biased short Josephson junctions formed at helical edge states
Paramita Dutta
We explore the phase-dependent charge and heat current in the short Josephson junctions with two normal metal regions attached at opposite ends, formed at helical edge states of tw…
Tunable phase transitions in half-Heusler TbPtBi compound
Pratik D. Patel, Akariti Sharma, Bharathiganesh Devanarayanan +3
We report various phase transitions in half-Heusler TbPtBi compound using Density Functional Theory (DFT). Specifically, inclusion of spin-orbit coupling (SOC) leads to band invers…
Phase-tunable electron transport assisted by odd-frequency Cooper pairs in topological Josephson junctions
Jorge Cayao, Paramita Dutta, Pablo Burset +1
We consider a finite-size topological Josephson junction formed at the edge of a two-dimensional topological insulator in proximity to conventional superconductors and study the im…
Superconductivity in spin- systems: symmetry classification, odd-frequency pairs, and Bogoliubov Fermi surfaces
Paramita Dutta, Fariborz Parhizgar, Annica M. Black-Schaffer
The possible symmetries of the superconducting pair amplitude is a consequence of the fermionic nature of the Cooper pairs. For spin- systems this leads to the $\mathcal{SPOT}…
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…
Electrical and Thermal Transport in Antiferromagnet-Superconductor Junctions
Martin F. Jakobsen, Kristian B. Naess, Paramita Dutta +2
We demonstrate that antiferromagnet-superconductor (AF-S) junctions show qualitatively different transport properties than normal metal-superconductor (N--S) and ferromagnet-superc…
Thermoelectricity carried by proximity-induced odd-frequency pairing in ferromagnet/superconductor junctions
Paramita Dutta, Kauê R. Alves, Annica M. Black-Schaffer
We explore the role of proximity-induced odd-frequency pairing in the thermoelectricity of a ferromagnet when coupled to a conventional -wave spin-singlet superconductor through…
Finite bulk Josephson currents and chirality blockade removal from inter-orbital pairing in magnetic Weyl semimetals
Paramita Dutta, Fariborz Parhizgar, Annica M. Black-Schaffer
Magnetic Weyl semimetals (WSMs) have been presumed to be immune to proximity-induced spin-singlet superconducting pairing due to a chirality blockade of the regular Andreev reflect…
Signature of odd-frequency equal-spin triplet pairing in the Josephson current on the surface of Weyl nodal loop semimetals
Paramita Dutta, Annica M. Black-Schaffer
We theoretically predict proximity-induced odd-frequency (odd-) pairing on the surface of a Weyl nodal loop semimetal, characterized by a nodal loop Fermi surface and drumhead-l…
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…