89 citations · 363 across the 16 of their papers we have counts for
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Generalized s-d model for Wannier-Mott excitons in layered magnetic semiconductors
Sonu Verma, Bashab Dey, Akashdeep Kamra
The recent discovery of excitons coupled to the magnetic order, and the consequent strong magneto-optic responses, in some van der Waals magnetic semiconductors has triggered inten…
Quantum sensing composite excitations in an anisotropic ferromagnet via a qubit
Amey S. Rodge, Tarek Moussa, Akashdeep Kamra +1
Ordered magnets harbor intrinsically squeezed ground states and magnonic excitations characterized by entanglement between spins and nonclassical magnon number composition. A pathw…
Quantum sensing magnonic number states using a bosonic mode as the probe
Bashab Dey, Sonu Verma, Mathias Weiler +1
Sensing number states of a magnonic mode has been accomplished using a superconducting qubit by realizing an effective dispersive interaction between the two systems. Here, we theo…
Role of anisotropic confining potential and elliptical driving in dynamics of a Ge hole qubit
Bashab Dey, John Schliemann
The squeezing of a Ge planar quantum dot enhances the Rabi frequency of electric dipole spin resonance by several orders of magnitude due to a strong Direct Rashba spin-orbit inter…
Photodriven germanium hole qubit
Bashab Dey, John Schliemann
Hole qubits in germanium quantum dots are promising candidates for coherent control and manipulation of the spin degree of freedom through electric dipole spin resonance. We theore…
Nonlinear magnetotransport in a two-dimensional system with merging Dirac points
Ojasvi Pal, Bashab Dey, Tarun Kanti Ghosh
We study the linear, second-order nonlinear (NL) current and voltage responses of a two-dimensional gapped semi-Dirac system with merging Dirac nodes along the direction under…
Magnus spin Hall and spin Nernst effects in gapped 2D Rashba systems
Priyadarshini Kapri, Bashab Dey, Tarun Kanti Ghosh
We study the Magnus transport in a gapped 2D electron gas with Rashba spin-orbit coupling using semiclassical Boltzmann transport formalism. Apart from its signature in the charge…
Berry curvature induced anisotropic magnetotransport in a quadratic triple-component fermionic system
Ojasvi Pal, Bashab Dey, Tarun Kanti Ghosh
Triple-component fermions are pseudospin-1 quasiparticles hosted by certain three-band semimetals in the vicinity of their band-touching nodes [Phys. Rev. B {\bf 100}, 235201 (2019…
Dynamical polarization, optical conductivity and plasmon mode of a linear triple component fermionic system
Bashab Dey, Tarun Kanti Ghosh
We investigate the density and optical responses of a linear triple component fermionic system in both non-interacting and interacting regimes by computing its dynamical polarizati…
Berry curvature induced magnetotransport in 3D noncentrosymmetric metals
Ojasvi Pal, Bashab Dey, Tarun Kanti Ghosh
We study the magnetoelectric and magnetothermal transport properties of noncentrosymmetric metals using semiclassical Boltzmann transport formalism by incorporating the effects of…
Role of Berry curvature in the generation of spin currents in Rashba systems
Priyadarshini Kapri, Bashab Dey, Tarun Kanti Ghosh
We study the background (equilibrium), linear and nonlinear spin currents in 2D Rashba spin-orbit coupled systems with Zeeman splitting and in 3D noncentrosymmetric metals using mo…
Topological phase transition induced by band structure modulation in a Chern insulator
Sayan Mondal, Priyadarshini Kapri, Bashab Dey +2
Here we study the systematic evolution of the topological properties of a Chern insulator in presence of an electronic dispersion that can be tuned smoothly from being Dirac-like t…
Valley caloritronics in a photodriven hetero-junction of Dirac materials
Priyadarshini Kapri, Bashab Dey, Tarun Kanti Ghosh
We consider a lateral hetero-junction where the left and right leads are made of monolayer graphene and the middle region is made of a gapped tilted Dirac material (borophene or qu…
Unconventional phases in a Haldane model of dice lattice
Bashab Dey, Priyadarshini Kapri, Ojasvi Pal +1
We propose a Haldane-like model of dice lattice analogous to graphene and explore its topological properties within the tight-binding formalism. The topological phase boundary of t…
Floquet topological phase transition in - lattice
Bashab Dey, Tarun Kanti Ghosh
We investigate topological characteristics of the photon-dressed band structure of - lattice on being driven by off-resonant circularly polarized radiation. We ob…
Photoinduced valley and electron-hole symmetry breaking in - lattice: The role of a variable Berry phase
Bashab Dey, Tarun Kanti Ghosh
We consider - lattice illuminated by intense circularly polarized radiation in terahertz regime. We present quasienergy band structure, time-averaged energy spectrum and ti…