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๐Ÿ” neil olver ๐Ÿ“‚ Chemistry
Showing 1568 results for "neil olver" in Chemistry
Chemistry Preprint PDF DOI

Towards Accelerated SCF Workflows with Equivariant Density-Matrix Learning and Analytic Refinement

Zuriel Y. Yescas-Ramos, Andres Alvarez-Garcia, Huziel E. Sauceda ยท 2026

We present \textsc{dm-PhiSNet}, a physically constrained \textsc{PhiSNet}-based equivariant model that predicts one-electron reduced density matrices (1-RDMs) directly from molecular geometries in an โ€ฆ

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Chemistry Preprint PDF DOI

Stepping up enhanced rate calculations with EATR-flooding

Nicodemo Mazzaferro, Willmor J Pena Ccoa, Pilar Cossio, Glen M. Hocky ยท 2026

Several recent methods have shown that it is possible to compute rate constants of very slow biomolecular processes using simulations where a time-dependent bias is added along one or several collectiโ€ฆ

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Chemistry Preprint PDF DOI

Effect of reaction temperature on nascent carbonaceous particles from toluene shock-tube pyrolysis: Insights from FTIR and Raman spectroscopy

Meysam K. Rezaeian, Can Shao, Jurgen Herzler, Mustapha Fikri, Greg J. Smallwood, Christof Schulz ยท 2026

The transition from gaseous precursors to nascent solid particles and their subsequent structural maturation were investigated in single-pulse shock-tube experiments using ex situ Fourier-transform inโ€ฆ

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Chemistry Preprint PDF DOI

Errors that matter: Uncertainty-aware universal machine-learning potentials calibrated on experiments

Matthias Kellner, Teitur Hansen, Thomas Bligaard, Karsten Wedel Jacobsen, Michele Ceriotti ยท 2026

Machine-learning models of atomic-scale interactions achieve the accuracy of the quantum mechanical calculations on which they are trained, but at a dramatically lower computational cost. Their predicโ€ฆ

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Chemistry Preprint PDF DOI

Broadband impulsive stimulated Raman spectroscopy reveals electronic state-specific vibronic coupling and vibrational coherence transfer through nonadiabatic electronic coupling

Ramandeep Kaur, Shaina Dhamija, Garima Bhutani, Amit Kumar, Arijit K. De ยท 2026

Vibrational wavepacket dynamics in the ground (X) and excited (B) electronic states of iodine under impulsive-pump/broadband-probe excitation are revisited. A method for accurate chirp correction, necโ€ฆ

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Chemistry Preprint PDF DOI

Pressure-Temperature Phase Diagram and $\lambda$-Transition in Liquid Sulfur

Sonia Salomoni, Frederic Datchi, A. Marco Saitta, Arthur France-Lanord ยท 2026

Using molecular dynamics simulations driven by a machine-learned interatomic potential, we investigate at low to intermediate pressures the $\lambda$-transition of sulfur, a temperature-induced polymeโ€ฆ

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Chemistry Preprint PDF DOI

Dynamically Corrected Bethe-Salpeter Equation Solver for Self-consistent $GW$ Reference on the Matsubara Frequency Axis

Ming Wen, Gaurav Harsha, Dominika Zgid ยท 2026

We present a Bethe-Salpeter equation (BSE) solver based on a self-consistent $GW$ reference evaluated on the Matsubara frequency axis, referred to as BSE@sc$GW$. The self-consistent $GW$ starting poinโ€ฆ

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Chemistry Preprint PDF DOI

Optical Lineshape Models and the Generalized Einstein Relation between Absorption and Stimulated Emission

Aman K. Agrawal, Jisu Ryu, David M. Jonas ยท 2026

Recently, Ryu et al. generalized Einstein's three coefficients for absorption, stimulated emission, and spontaneous emission between two quantum levels to a set of four spectra between two broadened bโ€ฆ

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Chemistry Preprint PDF DOI

A Statistical-Mechanical Model for Dipolar Chain Formation

Zhongqi Liang, Jesus Perez-Rios ยท 2026

Dipolar fluids are known to exhibit complex self-assembly at low temperatures, yet a compact thermodynamic description of their aggregate statistics has remained elusive. Using molecular dynamics simuโ€ฆ

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Chemistry Preprint PDF DOI

Beyond the Virial Expansion: Microscopic Origins of Partial Molar Volumes in LiCl Solutions

Chun-Ting Lin, Diganta Dasgupta, Tinglu Yang, Cesare Malosso, Giulia Sormani, Colin Egan, Giovanni Bussi, Ali Hassanali, Paul S. Cremer ยท 2026

Although electrolyte density measurements have been reported for over a century, employing them to obtain accurate partial molar volume (PMV) profiles as a function of salt concentration has remained โ€ฆ

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Chemistry Preprint PDF DOI

KinetiDiff: Docking-Guided Diffusion for De Novo ACVR1 Inhibitor Design in Fibrodysplasia Ossificans Progressiva

Aaryan Patel ยท 2026

We present KinetiDiff, a structure-based framework for de novo kinase inhibitor design that integrates a Geometry-Complete Diffusion Model with real-time AutoDock Vina gradient guidance. By injecting โ€ฆ

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Chemistry Preprint PDF DOI

Linear and nonlinear vibrational excitation driven by molecular polaritons

Wenxiang Ying, Carlos M. Bustamante, Franco P. Bonafe, Richard Richardson, Michael Ruggenthaler, Maxim Sukharev, Angel Rubio, Abraham Nitzan ยท 2026

Following our recent numerical study [arXiv:2601.16299 (2026)], we investigate vibrational excitation induced by transient optical driving in molecular ensembles strongly coupled to a cavity mode usinโ€ฆ

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Chemistry Preprint PDF DOI

An efficient method based on the evolutionary center algorithm for optimizing chemical-diffusive models for flame acceleration and DDT

Huahua Xiao, Xu Zhang, Mingbin Zhao, Congling Shi ยท 2026

This paper presents an efficient method based on Evolutionary Center Algorithm (ECA) for accurately and efficiently determining the optimal reaction and diffusion parameters for Chemical-Diffusive Modโ€ฆ

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Chemistry Preprint PDF DOI

Ion-Specific Anomalous Water Diffusion in Aqueous Electrolytes: A Machine-Learned Many-Body Force Field Study with MACE

Massimo Ciacchi, Ilnur Saitov, Nico Di Fonte, Isabella Daidone, Carlo Pierleoni ยท 2026

The dynamics of water in electrolyte solutions exhibits a striking, ion-specific anomaly: the diffusion coefficient of water is enhanced relative to the neat liquid in chaotropic CsI solutions, yet suโ€ฆ

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Chemistry Preprint PDF DOI

Integral-equation analysis of transient diffusion-limited currents at disk electrodes: Asymptotic expansion and compact approximation

Kazuhiko Seki, Yuko Yokoyama, Masahiro Yamamoto ยท 2026

The transient diffusion-limited current at a disk electrode following a change in interfacial ion concentration induced by a potential step is analyzed with direct relevance to chronoamperometric measโ€ฆ

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Chemistry Preprint PDF DOI

The BOS-TMC Dataset: DFT Properties of 159k Experimentally Characterized Transition Metal Complexes Spanning Multiple Charge and Spin States

Aaron G. Garrison, Jacob W. Toney, Tatiana Nikolaeva, Roland G. St. Michel, Christopher J. Stein, Heather J. Kulik ยท 2026

We present the Boston Open-Shell Transition Metal Complex (BOS-TMC) dataset, a set of density functional theory (DFT) properties for 159k experimentally characterized mononuclear transition metal compโ€ฆ

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Chemistry Preprint PDF DOI

Reference Energies for Non-Relativistic Core Ionization Potentials

Antoine Marie, Loris Burth, Pierre-Francois Loos ยท 2026

Deep-lying core electrons carry highly localized, site-specific information that forms the basis of X-ray photoelectron spectroscopy. Accurately predicting their associated core ionization potentials โ€ฆ

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Chemistry Preprint PDF DOI

PyGSC: A Python tool for correcting Kohn-Sham orbital energies by mitigating the delocalization error of density functional approximations

Zipeng An, Xiaolong Yang, Xiao Zheng, Weitao Yang ยท 2026

Density functional approximations (DFAs) suffer from delocalization error, which limits their accuracy in predicting electron affinities (EAs), ionization potentials (IPs), and quasiparticle energies.โ€ฆ

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Chemistry Preprint PDF DOI

Low-Scaling Many-Body Green's Function Calculations for Molecular Systems via Interacting-Bath Dynamical Embedding Theory

Christian Venturella, Jiachen Li, Tianyu Zhu ยท 2026

We present a molecular extension of our recently proposed Green's function embedding method, interacting-bath dynamical embedding theory (ibDET), for computing charged excitation energies at the $GW$ โ€ฆ

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Chemistry Preprint PDF DOI

Short-lived memory in multidimensional spectra encodes full signal evolution

Thomas Sayer, Ethan H. Fink, Zachary R. Wiethorn, Devin R. Williams, Anthony J. Dominic III, Luke Guerrieri, Yi Ji, Veronica Policht, Jennifer Ogilvie, Gabriela Schlau-Cohen, Amber Krummel, Andres Montoya-Castillo ยท 2026

Ultrafast multidimensional spectroscopies are powerful tools that can access charge and energy flow in complex materials, shifting chemical kinetics, and even many-body interactions in correlated mattโ€ฆ

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