1.9k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- S.N. Bose National Centre for Basic SciencesIN60 papers
- Saha Institute of Nuclear PhysicsIN55 papers
- Indian Statistical Institute, Bangalore CentreIN51 papers
- Jadavpur UniversityIN41 papers
- University of CalcuttaIN39 papers
- Indian Institute of Science BangaloreIN35 papers
- Institute of Mathematical SciencesIN34 papers
- Indian Institute of Technology MadrasIN28 papers
- Bose InstituteIN27 papers
- Centre National de la Recherche ScientifiqueFR26 papers
- Indian Statistical Institute, Delhi CentreIN20 papers
- Tata Institute of Fundamental ResearchIN20 papers
93 papers · 1 filter
Exact and mean-field analysis of the role of Hubbard interactions on flux driven circular current in a quantum ring
Rahul Samanta, Santanu K. Maiti, Shreekantha Sil
We investigate circular current in both ordered and disordered Hubbard quantum rings threaded by magnetic flux, employing exact diagonalization and the Hartree-Fock mean-field appr…
New perspective on symmetry breaking in a clean antiferromagnetic chain: Spin-selective transport and NDR phenomenon
Prabhab Patra, Santanu K. Maiti
The primary requirement for achieving spin-selective electron transfer in a nanojunction possessing a magnetic system with zero net magnetization is to break the symmetry between t…
Persistent Charge and Spin Currents in a Ferromagnetic Hatano-Nelson Ring
Sourav Karmakar, Sudin Ganguly, Santanu K. Maiti
We investigate persistent charge and spin currents in a ferromagnetic Hatano-Nelson ring with anti-Hermitian intradimer hopping, where non-reciprocal hopping generates a synthetic…
Spin caloritronics in collinear ferromagnetic helical structures under irradiation
Sudin Ganguly, Moumita Dey, Santanu K. Maiti
We study the charge and spin-dependent thermoelectric response of a ferromagnetic helical system irradiated by arbitrarily polarized light, using a tight-binding framework and the…
Photo-induced directional transport in extended SSH chains
Usham Harish Kumar Singha, Kallol Mondal, Sudin Ganguly +1
We investigate the current-voltage characteristics of an extended Su-Schrieffer-Heeger (SSH) chain under irradiation by arbitrarily polarized light, demonstrating its potential as…
Antiferromagnetic diamond network as an efficient spin filter: Proposition of a spin-specific semi-conducting behavior
Debjani Das Gupta, Santanu K. Maiti
We propose, for the first time, that an array of diamond plaquettes, each possessing vanishing net magnetization, can achieve complete spin polarization over a broad bias window. F…
Bias driven circular current in a ring nanojunction: Critical role of environmental interaction
Moumita Mondal, Santanu K. Maiti
The specific role of environmental interaction on bias driven circular current in a ring nanojunction is explored within a tight-binding framework based on wave-guide theory. The e…
Fano resonances in tilted Weyl semimetals in an oscillating quantum well
Souvik Das, Arnab Maity, Rajib Sarkar +3
Considering the low-energy model of tilted Weyl semimetal, we study the electronic transmission through a periodically driven quantum well, oriented in the transverse direction wit…
Thermoelectric phenomena in an antiferromagnetic helix: Role of electric field
Kallol Mondal, Sudin Ganguly, Santanu K. Maiti
The charge and spin-dependent thermoelectric responses are investigated on a single-helical molecule possessing a collinear antiferromagnetic spin arrangement with zero net magneti…
Transport characteristics of a -symmetric non-Hermitian system: Effect of environmental interaction
Sudin Ganguly, Souvik Roy, Santanu K. Maiti
The environmental influence is inevitable but often ignored in the study of electronic transport properties of small-scale systems. Such an environment-mediated interaction can gen…
Strain-induced thermoelectricity in pentacene
Kallol Mondal, Sudin Ganguly, Santanu K. Maiti
The present work discusses a non-synthetic strategy to achieve a favorable thermoelectric response in pentacene via strain. It is found that a uni-axial strain is capable of induci…
Mini Band Gap Generation in Magnetic Beta-Borophene: Effects of Optical Phonon Interaction
Defne Akay, Santanu. K. Maiti
In this work we report for the first time, to the best of our concern, the tunable electronic properties of Beta-Borophene (BB) on the polar substrate (ZrO_2). We provide an analyt…
Antiferromagnetic helix as an efficient spin polarizer: Interplay between electric field and higher ordered hopping
Debjani Das Gupta, Santanu K. Maiti
We report spin filtration operation considering an antiferromagnetic helix system, possessing zero net magnetization. Common wisdom suggests that for such a system, a spin-polarize…
Enhanced current rectification in graphene nanoribbons: Effects of geometries and orientations of nanopores
Joydeep Majhi, Sudin Ganguly, Santanu K. Maiti
We discuss the possibility of getting rectification operation in graphene nanoribbon (GNR). For a system to be a rectifier, it must be physically asymmetric and we induce the asymm…
Localization to delocalization transition in a double stranded helical geometry: Effects of conformation, transverse electric field and dynamics
Suparna Sarkar, Santanu K. Maiti
Conformational effect on electronic localization is critically investigated for the first time considering a double-stranded helical geometry (DSHG) subjected to an electric field.…
Spin-dependent transport in a driven noncolinear antiferromagnetic fractal network
Kallol Mondal, Sudin Ganguly, Santanu K. Maiti
Noncolinear magnetic texture breaks the spin-sublattice symmetry which gives rise to a spin-splitting effect. Inspired by this, we study the spin-dependent transport properties in…
Non-volatile reconfigurable spin logic device: parallel operations
Moumita Patra, Alok Shukla, Santanu K Maiti
A new proposal is given for designing a non-volatile, completely spin logic device, that can be reprogrammed for different functional classical logical operations. We use the conce…
Thermo-electric transport properties of Floquet multi-Weyl Semimetals
Tanay Nag, Anirudha Menon, Banasri Basu
We discuss the circularly polarized light (of amplitude and frequency ) driven thermo-electric transport properties of type-I and type-II multi-Weyl semimetals (mWSMs) in…
Spin-selective transmission through a single-stranded magnetic helix
Suparna Sarkar, Santanu K. Maiti
Magnetic helix (MH) structure can be a role model for future spintronic devices. Utilizing the advantage of constructing possible magnetic configurations, in the present work first…
Bias induced circular spin current: Effects of environmental dephasing and disorder
Moumita Patra, Santanu K. Maiti
Analogous to circular spin current in an isolated quantum loop, bias induced spin circular current can also be generated under certain physical conditions in a nanojunction having…
More current with less particles due to power-law hopping
Madhumita Saha, Archak Purkayastha, Santanu K. Maiti
We reveal interesting universal transport behavior of ordered one-dimensional fermionic systems with power-law hopping. We restrict ourselves to the case where the power-law decay…
Controlled charge and spin current rectifications in a spin polarized device
Moumita Patra, Santanu K. Maiti
Quasicrystals have been the subject of intense research in the discipline of condensed matter physics due to their non-trivial characteristic features. In the present work we put f…
Engineering magnetoresistance: A new perspective
Moumita Patra, Santanu K. Maiti, Shreekantha Sil
A new proposal is given to achieve high degree of magnetoresistance (MR) in a magnetic quantum device where two magnetic layers are separated by a non-magnetic (NM) quasiperiodic l…
Anomalous Hall transport in tilted multi-Weyl semimetals
Anirudha Menon, Banasri Basu
We study the effect of a perpendicular magnetic fieldBon a multinode Weyl semimetal (mWSM)of arbitrary integer monopole chargen, with the two Weyl multinodes separated ink-space. B…