Ritwik Das

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20242026

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cond-mat.mtrl-sci2025

High-fidelity electronic structure and properties of InSb: $G_{0} W_{0}$ and Bayesian-optimized hybrid functionals and DFT+ $U$ approaches

Ritwik Das, Anne-Sophie Grimault-Jacquin, FrÃ©dÃ©ric Aniel

This study presents a refined approach to computing the electronic structure of indium antimonide (InSb) using advanced \textit{ab initio} techniques with the In and Sb $4 d^{10}$ s…

cond-mat.str-el2025

From Density Functional Theory to Spin Hamiltonians: Magnetism in $d^{5}$ Honeycomb Compound OsCl $_{3}$

Ritwik Das, Indra Dasgupta

Magnetism in strongly correlated honeycomb systems with $d^{5}$ electronic configuration has garnered significant attention due to its potential to realize the Kitaev spin liquid sta…

High-fidelity electronic structure and properties of InSb: G0​W0​ and Bayesian-optimized hybrid functionals and DFT+U approaches

From Density Functional Theory to Spin Hamiltonians: Magnetism in d5 Honeycomb Compound OsCl3​

High-fidelity electronic structure and properties of InSb: $G_{0} W_{0}$ and Bayesian-optimized hybrid functionals and DFT+ $U$ approaches

From Density Functional Theory to Spin Hamiltonians: Magnetism in $d^{5}$ Honeycomb Compound OsCl $_{3}$