86 citations · 331 across the 21 of their papers we have counts for
20 papers · 1 filter
Spin-valley physics in anomalous thermoelectric responses of the spin-orbit coupled - system with broken time-reversal symmetry
Lakpa Tamang, Tutul Biswas
We extract spin-valley physics in the anomalous Hall and Nernst responses of the spin-orbit coupled - system in the presence of a time-reversal symmetry breaking staggered…
Orbital magnetization senses the topological phase transition in a spin-orbit coupled - system
Lakpa Tamang, Sonu Verma, Tutul Biswas
The - system undergoes a topological phase transition(TPT) between two distinct quantum spin-Hall phases across when the spin-orbit interaction of Kane-Mele type is…
Effect of magnetic field on the electronic properties of an - ring
Mijanur Islam, Tutul Biswas, Saurabh Basu
We consider a quantum ring of a certain radius R built from a sheet of the - lattice and solve for its spectral properties in presence of an external magnetic field. The en…
Probing Topological signatures in an optically driven - Lattice
Lakpa Tamang, Tutul Biswas
The - lattice, an interpolation model between the honeycomb lattice of graphene() and the dice lattice(), undergoes a topological phase transition across $α=1/\sq…
Floquet engineering of low-energy dispersions and dynamical localization in a periodically kicked three-band system
Lakpa Tamang, Tanay Nag, Tutul Biswas
Much having learned about Floquet dynamics of pseudospin- system namely, graphene, we here address the stroboscopic properties of a periodically kicked {three-band fermionic s…
Thermoelectric and optical probes for a Fermi surface topology change in noncentrosymmetric metals
Sonu Verma, Tutul Biswas, Tarun Kanti Ghosh
Noncentrosymmetric metals such as Li(PdPt)B have different Fermi surface topology below and above the band touching point where spin-degeneracy is not lifted by…
Hot electron cooling in Dirac semimetal CdAs due to polar optical phonons
Shrishail S. Kubakaddi, Tutul Biswas
A theory of hot electron cooling power due to polar optical phonons is developed in three-dimensional Dirac semimetal(DDS) CdAs taking account of hot phonon…
Dynamics of a quasiparticle in the -T model: Role of pseudospin polarization and transverse magnetic field on \textbf{\textit{zitterbewegung}}
Tutul Biswas, Tarun Kanti Ghosh
We consider the - model which provides a smooth crossover between the honeycomb lattice with pseudospin and the dice lattice with pseudospin through the variation…
Phonon-drag magnetoquantum oscillations in graphene
S. S. Kubakaddi, Tutul Biswas, Tarun Kanti Ghosh
A theory of low-temperature phonon-drag magnetothermopower is presented in graphene in a quantizing magnetic field. is found to exhibit quantum oscillations a…
Magnetotransport properties of the -T model
Tutul Biswas, Tarun Kanti Ghosh
Using the well-known Kubo formula, we evaluate magnetotransport quantities like the collisional and Hall conductivities of the -T model. The collisional conductivity exhibit…
Zitterbewegung of a heavy hole in presence of spin-orbit interactions
Tutul Biswas, Sandip Chowdhury, Tarun Kanti Ghosh
We study the of a heavy hole in presence of both cubic Rashba and cubic Dresselhaus spin-orbit interactions. On contrary to the electronic case, d…
Electron-phonon interaction in a spin-orbit coupled quantum wire with a gap
Tutul Biswas, Tarun Kanti Ghosh
Interaction between electron and acoustic phonon in an in-plane magnetic field induced gapped quantum wire with Rashba spin-orbit interaction is studied. We calculate acoustic phon…
Wave packet dynamics in various two-dimensional systems: a unified description
Ashutosh Singh, Tutul Biswas, Tarun Kanti Ghosh +1
In this article we present an exact and unified description of wave-packet dynamics in various 2D systems in presence of a transverse magnetic field. We consider an initial minimum…
Magnetotransport properties of two-dimensional fermions with -cubic Rashba spin-orbit interaction
Alestin Mawrie, Tutul Biswas, Tarun Kanti Ghosh
The spin-orbit interaction in heavy hole gas formed at -doped semiconductor heterojunctions and electron gas at {\mbox SrTiO} surfaces is cubic in momentum. Here we report…
Wave packet dynamics in monolayer MoS with and without a magnetic field
Ashutosh Singh, Tutul Biswas, Tarun Kanti Ghosh +1
We study the dynamics of electrons in monolayer Molybdenum Disulfide (MoS), in the absence as well as presence of a transverse magnetic field. Considering the initial electroni…
Wave packet dynamics and zitterbewegung of heavy holes in a quantizing magnetic field
Tutul Biswas, Tarun Kanti Ghosh
In this work we study wave packet dynamics and , an oscillatory quantum motion, of heavy holes in III-V semiconductor quantum wells in presence of a quantizing magn…
Phonon-drag magnetothermopower in Rashba spin-split two-dimensional electron systems
Tutul Biswas, Tarun Kanti Ghosh
We study phonon-drag contribution to the thermoelectric power in a quasi-two-dimensional electron system confined in GaAs/AlGaAs heterostructure in presence of both Rashba spin-orb…
Phonon-drag thermopower and hot-electron energy-loss rate in a Rashba spin-orbit coupled two-dimensional electron system
Tutul Biswas, Tarun Kanti Ghosh
We theoretically study phonon-drag contribution to the thermoelectric power and hot-electron energy-loss rate in a Rashba spin-orbit coupled two-dimensional electron system (2DES)…
Acoustic phonon-limited resistivity in spin-orbit coupled 2DEG: Deformation potential and piezoelectric scattering
Tutul Biswas, Tarun Kanti Ghosh
We study the interaction between electron and acoustic phonon in a Rashba spin-orbit coupled two dimensional electron gas using Boltzmann transport theory. Both deformation potenti…
Zitterbewegung of electrons in quantum wells and dots in presence of an in-plane magnetic field
Tutul Biswas, Tarun Kanti Ghosh
We study the effect of an in-plane magnetic field on the zitterbewegung (ZB) of electrons in a semiconductor quantum well (QW) and in a quantum dot (QD) with the Rashba and Dressel…