collaborators

5 papers

cond-mat.mes-hall2025

Density Functional Tight-Binding Enables Tractable Studies of Quantum Plasmonics

Nikhil S. Chellam, Subhajyoti Chaudhuri, Abhisek Ghosal +2

Routine investigations of plasmonic phenomena at the quantum level present a formidable computational challenge due to the large system sizes and ultrafast timescales involved. Thi…

physics.chem-ph2024

Manipulating Two-Photon Absorption of Molecules through Efficient Optimization of Entangled Light

Sajal Kumar Giri, George C. Schatz

We report how the unique temporal and spectral features of pulsed entangled photons from a parametric downconversion source can be utilized for manipulating electronic excitations…

physics.optics2024

Laser Pulse Induced Second- and Third-Harmonic Generation of Gold Nanorods with Real-Time Time-Dependent Density Functional Tight Binding (RT-TDDFTB) Method

Sajal Kumar Giri, George C. Schatz

In this study, we investigate second- and third-harmonic generation processes in Au nanorod systems using the real-time time-dependent density functional tight binding method. Our…

physics.chem-ph2024

Plasmon Enhanced Spectroscopy and Photocatalysis

Sajal Kumar Giri, George C. Schatz

This study examines the Raman scattering and charge transfer properties of molecules adsorbed on the surface of a tetrahedral Au nanoparticle based on the time-dependent de…

cond-mat.mtrl-sci2024

Roadmap on Data-Centric Materials Science

Stefan Bauer, Peter Benner, Tristan Bereau +58

Science is and always has been based on data, but the terms "data-centric" and the "4th paradigm of" materials research indicate a radical change in how information is retrieved, h…