activity
20242026
collaborators

9 papers

physics.chem-ph2026

Decoding Transient X-ray Absorption Spectra of Acetylacetone With Multireference Algebraic Diagrammatic Construction Theory

Bennett W. Clark, Donna H. Odhiambo, Haden Dickerson +1

Time-resolved X-ray absorption spectroscopy (TR-XAS) offers an element- and site-specific probe of coupled electronic and nuclear dynamics, but its interpretation requires methods…

physics.chem-ph2026

Molecular g-Tensors From Spin-Orbit Quasidegenerate N-electron Valence Perturbation Theory: Benchmarks, Intruder-State Mitigation, and Practical Guidelines

Nicholas Yiching Chiang, Rajat Majumder, Alexander Yu. Sokolov

Accurate prediction of molecular g-tensors for open-shell systems requires a balanced treatment of multireference electron correlation and relativistic spin-orbit coupling. Here, w…

cond-mat.mtrl-sci2025

Core-Ionized States and X-ray Photoelectron Spectra of Solids From Periodic Algebraic Diagrammatic Construction Theory

Abdelrahman M. Ahmed, Alexander Yu. Sokolov

We present the first-ever implementation and benchmark of periodic algebraic diagrammatic construction theory (ADC) for core-ionized states and X-ray photoelectron spectra (XPS) in…

physics.chem-ph2025

Algebraic Diagrammatic Construction Theory of Charged Excitations With Consistent Treatment of Spin-Orbit Coupling and Dynamic Correlation

Rajat Majumder, Alexander Yu. Sokolov

We present algebraic diagrammatic construction theory for simulating spin-orbit coupling and electron correlation in charged electronic states and photoelectron spectra. Our implem…

physics.chem-ph2025

Simulating Ionized States in Realistic Chemical Environments With Algebraic Diagrammatic Construction Theory and Polarizable Embedding

James D. Serna, Alexander Yu. Sokolov

Theoretical simulations of electron detachment processes are vital for understanding chemical redox reactions, semiconductor and electrochemical properties, and high-energy radiati…

physics.chem-ph2024

Efficient Spin-Adapted Implementation of Multireference Algebraic Diagrammatic Construction Theory. I. Core-Ionized States and X-Ray Photoelectron Spectra

Carlos E. V. de Moura, Alexander Yu. Sokolov

We present an efficient implementation of multireference algebraic diagrammatic construction theory (MR-ADC) for simulating core-ionized states and X-ray photoelectron spectra (XPS…