45 citations · 63 across the 12 of their papers we have counts for
12 papers
Altermagnetism from the viewpoint of chemistry
Nayana Devaraj, Anumita Bose, Md Afsar Reja +2
Magnetism has been a central theme of research in chemistry, physics, and materials science, with chemical composition and bonding playing key roles in determining magnetic behavio…
Coexistence of static order and spin dynamics in an S = 5/2 frustrated triangular antiferromagnet
U. Jena, B. Sana, Satish Kumar +6
Frustrated triangular-lattice antiferromagnets in the classical high-spin limit provide a paradigmatic setting in which the interplay of competing exchange interactions, anisotropy…
Nonlinear Hall Effect in Metal-Organic Frameworks
Sarbajit Mazumdar, Jagadish N S, Awadhesh Narayan +3
We propose metal-organic frameworks (MOFs) as tunable platforms for nonlinear Hall responses. A universal analytical downfolding scheme maps -symmetric frameworks onto star- a…
Field-Tunable Quantum Metric in Few-Layer Phosphorene
Md Afsar Reja, Arka Bandyopadhyay, Awadhesh Narayan
The quantum metric -- which quantifies the distance between quantum states -- is a fundamental component of the quantum geometric tensor, playing a crucial role in a wide range of…
Refraction-induced transverse charge transport
Ronika Sarkar, Arka Bandyopadhyay, Awadhesh Narayan +1
We introduce a mechanism that produces a Hall-like transverse response in time-reversal-invariant materials, driven entirely by geometric effects. Specifically, we demonstrate that…
Berry Curvature Dipole-induced Non-linear Hall Effect in Oxide Heterostructures
Nesta Benno Joseph, Arka Bandyopadhyay, Ajit C. Balram +1
The observation of non-linear Hall effects in time-reversal invariant systems has established the intriguing role of band topology beyond Berry curvature in determining transport p…
Chirality-tunable non-linear Hall effect
Nesta Benno Joseph, Arka Bandyopadhyay, Awadhesh Narayan
The non-linear generalization of the Hall effect has recently gained much attention, with a rapidly growing list of non-centrosymmetric materials that display higher-order Hall res…
The interplay between a pseudogap and superconductivity in a two-dimensional Hubbard model
L. F. Sampaio, E. J. Calegari, J. J. Rodríguez-Núñez +2
Strongly correlated electrons systems may exhibit a variety of interesting phenomena, for instance, superconductivity and pseudogap, as is the case of cuprates and pnictides. In st…
Non-linear Hall Effects: Mechanisms and Materials
Arka Bandyopadhyay, Nesta Benno Joseph, Awadhesh Narayan
This review presents recent breakthroughs in the realm of nonlinear Hall effects, emphasizing central theoretical foundations and recent experimental progress. We elucidate the qua…
Origin of flat bands and non-trivial topology in coupled kagome lattices
Anumita Bose, Arka Bandyopadhyay, Awadhesh Narayan
We propose an exact analytical decimation transformation scheme to explore the fascinating coexistence of flat bands and Dirac fermions in three-dimensional coupled kagome systems.…
Berry Curvature Dipole and its Strain Engineering in Layered Phosphorene
Arka Bandyopadhyay, Nesta Benno Joseph, Awadhesh Narayan
The emergence of the fascinating non-linear Hall effect intrinsically depends on the non-zero value of the Berry curvature dipole. In this work, we predict that suitable strain eng…
Non-Hermitian Topology and Flat Bands via an Exact Real Space Decimation Scheme
Ayan Banerjee, Arka Bandyopadhyay, Ronika Sarkar +1
In recent years, non-Hermitian phases in classical and quantum systems have garnered significant attention. In particular, their intriguing band geometry offers a platform for expl…