40 citations · 113 across the 27 of their papers we have counts for
27 papers
Interplay of spin-orbit coupling and magnetic chirality: Multidirectional spin polarization in a helical antiferromagnet
Kallol Mondal, Sudin Ganguly, Santanu K. Maiti
We investigate spin-dependent transport in a non-collinear helical antiferromagnet in the presence of spin-orbit coupling within a tight-binding framework. Using the Landauer-Bütti…
Interaction-controlled localization in one-dimensional chain: From edges to domain walls
Rahul Samanta, Sudin Ganguly, Santanu K. Maiti
Using Hartree-Fock mean-field approach, we study the role of on-site () and extended () Hubbard interactions on the existence and evolution of edge modes in a half-filled Su-…
First-principles and tight-binding analysis of thermoelectricity in irradiated WSe
Cynthia Ihuoma Osuala, Tanu Choudhary, Raju K. Biswas +2
Electronic and thermoelectric transport in zigzag monolayer WSe nanoribbons are studied under monochromatic irradiation. The electronic structure is described within a six-orbi…
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…
Reentrant localization in a quasiperiodic chain with correlated hopping sequences
Sourav Karmakar, Sudin Ganguly, Santanu K. Maiti
Quasiperiodic systems are known to exhibit localization transitions in low dimensions, wherein all electronic states become localized beyond a critical disorder strength. Interesti…
Persistent current in a non-Hermitian Hatano-Nelson ring: Disorder-induced amplification
Sudin Ganguly, Santanu K. Maiti
Non-reciprocal hopping induces a synthetic magnetic flux which leads to the non-Hermitian Aharonov-Bohm effect. Since non-Hermitian Hamiltonians possess both real and imaginary eig…
Thermolectricity in irradiated bilayer graphene flakes
Cynthia Ihuoma Osuala, Tanu Choudhary, Raju K. Biswas +2
We present a comprehensive study on enhancing the thermoelectric (TE) performance of bilayer graphene (BLG) through irradiation with arbitrarily polarized light, focusing on -…
Critical analysis of multiple reentrant localization in an antiferromagnetic helix with transverse electric field: Hopping dimerization-free scenario
Sudin Ganguly, Sourav Chattopadhyay, Kallol Mondal +1
Reentrant localization (RL), a recently prominent phenomenon, traditionally links to the interplay of staggered correlated disorder and hopping dimerization, as indicated by prior…
Phenomenon of multiple reentrant localization in a double-stranded helix with transverse electric field
Sudin Ganguly, Suparna Sarkar, Kallol Mondal +1
The present work explores the potential for observing multiple reentrant localization behavior in a double-stranded helical (DSH) system, extending beyond the conventional nearest-…
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…
Electrical analogue of one-dimensional and quasi-one-dimensional Aubry-André-Harper lattices
Sudin Ganguly, Santanu K. Maiti
The present work discusses the possibility to realize correlated disorder in electrical circuits and studies the localization phenomena in terms of two-port impedance. The correlat…
Properties of the non-Hermitian SSH model: role of PT-symmetry
Dipendu Halder, Sudin Ganguly, Saurabh Basu
The present work addresses the distinction between the topological properties of PT symmetric and non-PT symmetric scenarios for the non-Hermitian Su-Schrieffer-Heeger (SSH) model.…
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…
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…
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…
A driven fractal network: Possible route to efficient thermoelectric application
Kallol Mondal, Sudin Ganguly, Santanu K. Maiti
An essential attribute of many fractal structures is self-similarity. A Sierpinski gasket (SPG) triangle is a promising example of a fractal lattice that exhibits localized energy…
Unconventional charge and spin dependent transport properties of a graphene nanoribbon with line-disorder
Sudin Ganguly, Saurabh Basu, Santanu K. Maiti
Electronic transport with a line (or a few lines) of Anderson type disorder in a zigzag graphene nanoribbon is investigated in presence of Rashba spin-orbit interaction. Such line…
Controlled engineering of spin polarized transport properties in a zigzag graphene nanojunction
Sudin Ganguly, Saurabh Basu, Santanu K. Maiti
We investigate a novel way to manipulate the spin polarized transmission in a two terminal zigzag graphene nanoribbon in presence of Rashba spin-orbit (SO) interaction with circula…
Interface sensitivity on spin transport through a three-terminal graphene nanoribbon
Sudin Ganguly, Saurabh Basu, Santanu K. Maiti
Spin dependent transport in a three-terminal graphene nanoribbon (GNR) is investigated in presence of Rashba spin-orbit interaction. Such a three-terminal structure is shown to be…
Analytic and numeric computation of edge states and conductivity of a Kane-Mele nanoribbon
Priyanka Sinha, Sudin Ganguly, Saurabh Basu
We compute analytic expressions for the edge states in a zigzag Kane-Mele nanoribbon (KMNR) by solving the eigenvalue equations in presence of intrinsic and Rashba spin-orbit coupl…
Magnetic adatoms in two and four terminal graphene nanoribbons: A comparison between their spin polarized transport
Sudin Ganguly, Saurabh Basu
We study the charge and spin transport in two and four terminal graphene nanoribbons (GNR) decorated with random distribution of magnetic adatoms. The inclusion of the magnetic ada…