Search Results - "Nag, Tanay"

Persistent anomaly in dynamical quantum phase transition in long-range non-Hermitian p-wave Kitaev chain by Mondal, Debashish, Nag, Tanay

“…Considering a non-Hermitian version of p -wave Kitaev chain in the presence of additional second nearest neighbour tunnelling, we study dynamical quantum phase…”
Get full text

Anomalous and normal dislocation modes in Floquet topological insulators by Nag, Tanay, Roy, Bitan

“…Electronic bands featuring nontrivial bulk topological invariant manifest through robust gapless modes at the boundaries, e.g., edges and surfaces. As such…”
Get full text

Dynamical localization in a chain of hard core bosons under periodic driving by Nag, Tanay, Roy, Sthitadhi, Dutta, Amit, Sen, Diptiman

“…We study the dynamics of a one-dimensional lattice model of hard core bosons which is initially in a superfluid phase with a current being induced by applying…”
Get full text

Unquenched—a memoir on non-equilibrium dynamics of quantum many-body systems: honoring Amit Dutta by Sharma, Shraddha, Nag, Tanay, Rajak, Atanu, Bandyopadhyay, Souvik, Bhattacharjee, Sourav, Maity, Somnath, Bhattacharya, Utso

“…This short review explores the physics journey of Professor Amit Dutta, illuminating his collaborative contributions with students and peers. We mainly focus…”
Get full text

Finite-time interaction quench in a Luttinger liquid by Sachdeva, Rashi, Nag, Tanay, Agarwal, Amit, Dutta, Amit

Get full text

Out of equilibrium higher-order topological insulator: Floquet engineering and quench dynamics by Nag, Tanay, Juričić, Vladimir, Roy, Bitan

“…Higher-order topological (HOT) states, hosting topologically protected modes on lower-dimensional boundaries, such as hinges and corners, have recently…”
Get full text

Many-body dynamics in long-range hopping models in the presence of correlated and uncorrelated disorder by Modak, Ranjan, Nag, Tanay

“…Much has been learned about universal properties of entanglement entropy (EE) and participation ration (PR) for Anderson localization. We find a new…”
Get full text

Scaling of the decoherence factor of a qubit coupled to a spin chain driven across quantum critical points by Nag, Tanay, Divakaran, Uma, Dutta, Amit

“…We study the scaling of the decoherence factor of a qubit (spin-1/2) using the central spin model in which the central spin (qubit) is globally coupled to a…”
Get full text

Multiple higher-order topological phases with even and odd pairs of zero-energy corner modes in a C3symmetry broken model by Saha, Sudarshan, Nag, Tanay, Mandal, Saptarshi

“…Here we study emergent higher-order topological (HOTI) phases in the extended Haldane model without C3 symmetry. For the inversion symmetric case, the QSHI and…”
Get full text

Multiple higher-order topological phases with even and odd pairs of zero-energy corner modes in a C 3 symmetry broken model by Saha, Sudarshan, Nag, Tanay, Mandal, Saptarshi

“…Abstract Here we study emergent higher-order topological (HOTI) phases in the extended Haldane model without C 3 symmetry. For the inversion symmetric case,…”
Get full text

Sb2Se3 and SbBiSe3 surface capping and biaxial strain Co-engineering for tuning the surface electronic properties of Bi2Se3 nanosheet- A density functional theory based investigation by Bahadursha, Naresh, Sadhukhan, Banasree, Nag, Tanay, Bhattacharya, Swastik, Kanungo, Sayan

“…In this work, for the first time, a density functional theory (DFT) based comprehensive theoretical study is performed on the surface electronic properties of…”
Get full text

Fano Resonances for Tilted Linear and Quadratic Band Touching Dispersions in a Harmonically Driven Potential Well by Gregefalk, Anton, Black‐Schaffer, Annica M., Nag, Tanay

“…Considering models with tilted linear and quadratic band touching dispersions, the effect of the transverse linear tilt on the transmission spectra is analyzed…”
Get full text

Fidelity, Rosen-Zener dynamics, entropy and decoherence in one dimensional hard-core bosonic systems by Roy, Sthitadhi, Nag, Tanay, Dutta, Amit

“…We study the non-equilibrium dynamics of a one-dimensional system of hard core bosons (HCBs) in the presence of an onsite potential (with an alternating sign…”
Get full text

Maximum group velocity in a one-dimensional model with a sinusoidally varying staggered potential by Nag, Tanay, Sen, Diptiman, Dutta, Amit

Get full text

Fidelity, Rosen-Zener dynamics, entropy and decoherence in one dimensional hard-core bosonic systems by Roy, Sthitadhi, Nag, Tanay, Dutta, Amit

“…We study the non-equilibrium dynamics of a one-dimensional system of hard core bosons (HCBs) in the presence of an onsite potential (with an alternating sign…”
Get full text

Persistent anomaly in dynamical quantum phase transition in long-range non-Hermitian $p$-wave Kitaev chain by Mondal, Debashish, Nag, Tanay

“…Eur. Phys. J. B (2024) 97:59 Considering a non-Hermitian version of $p$-wave Kitaev chain in the presence of additional second nearest neighbour tunneling, we…”
Get full text

Finite temperature dynamical quantum phase transition in a non-Hermitian system by Mondal, Debashish, Nag, Tanay

“…Phys Rev B 107, 184311 (2023) We investigate the interplay between the non-Hermiticity and finite temperature in the context of mixed state dynamical quantum…”
Get full text

Anomaly in dynamical quantum phase transition in non-Hermitian system with extended gapless phases by Mondal, Debashish, Nag, Tanay

“…Phys. Rev. B 106, 054308 (2022) The dynamical quantum phase transitions (DQPTs) and the associated winding numbers have been extensively studied in the context…”
Get full text

Effect of chirality imbalance on Hall transport of PrRhC$_2 by Sadhukhan, Banasree, Nag, Tanay

“…Phys. Rev. B 107, L081110 (2023) Much has been learned about the topological transport in real materials. We investigate the interplay between magnetism and…”
Get full text

Periodic and aperiodic dynamics of flat bands in diamond-octagon lattice by Nag, Tanay, Rajak, Atanu

“…Phys. Rev. B 104, 134307 (2021) We drive periodically a two-dimensional diamond-octagon lattice model by switching between two Hamiltonian corresponding two…”
Get full text