4 papers
Detecting Lifshitz Transitions Using Nonlinear Conductivity in Bilayer Graphene
Tanweer Ahmed, Harsh Varshney, Bao Q. Tu +6
The second-order nonlinear electrical response (NLER) is an intrinsic property of inversion symmetry-broken systems which can provide deep insights into the electronic band structu…
Planar Nernst effect from hidden band geometry in layered two-dimensional materials
Rahul Biswas, Harsh Varshney, Amit Agarwal
The Nernst effect is a versatile phenomenon relevant for energy harvesting, magnetic sensing, probing band topology and charge-neutral excitations. The planar Nernst effect (PNE) g…
Quantum geometric moment encodes stacking order of moiré matter
Surat Layek, Subhajit Sinha, Atasi Chakraborty +6
Exploring the topological characteristics of electronic bands is essential in condensed matter physics. Moiré materials featuring flat bands provide a versatile platform for engine…
Phonon-Assisted Photoluminescence and Exciton Recombination in Monolayer Aluminum Nitride
Pushpendra Yadav, Amit Agarwal, Sitangshu Bhattacharya
Efficient solid-state photon emitters with longer operating lifetimes in the ultraviolet (UV) wavelength range are crucial for optoelectronic devices. However, finding suitable mat…