Expertini Research Research

Browse Research Papers

477+ open-access research outputs.

โœ• Clear
๐Ÿ” travis e. oliphant ๐Ÿ“‚ Chemistry
Showing 477 results for "travis e. oliphant" in Chemistry
Chemistry Preprint PDF DOI

Experimentally Accurate Graph Neural Network Predictions of Core-Electron Binding Energies

Adam E. A. Fouda, Joshua Zhou, Rodrigo Ferreira, Patrick Phillips, Valay Agarawal, Bhavnesh Jangid, Jacob J. Wardzala, Rui Ding, Junhong Chen, Nicole Tebaldi, Phay J. Ho, Laura Gagliardi, Linda Young ยท 2026

Graph neural network architectures are advantageous for predicting core-electron binding energies which depend on local bond environment effects, as the number of message passing layers defines the toโ€ฆ

Read Paper โ†’
Chemistry Preprint PDF DOI

DeepHartree: A Poisson-Coupled Neural Field for Scalable Density Functional Theory

Jiankun Wu, Jinming Fan, Chao Qian, Shaodong Zhou ยท 2026

Ab initio calculations are fundamentally bottlenecked for large systems by the steep computational scaling of solving self-consistent field (SCF) equations. While machine learning offers potential accโ€ฆ

Read Paper โ†’
Chemistry Preprint PDF DOI

Plasmon-Exciton Coupling and Dephasing in Hybrid Au Nanostructure/J-Aggregate Systems

Janak Bhandari, Robert Catuto, Zhumin Zhang, Bradley D. Smith, Hsing-Ta Chen, Gregory V. Hartland ยท 2026

The coupling between propagating surface plasmon polaritons (SPPs) in Au nanostructures and the exciton transitions of cyanine dye J-aggregates has been examined using leakage radiation microscopy. Reโ€ฆ

Read Paper โ†’
Chemistry Preprint PDF DOI

Spin-cavity interactions in relativistic Jahn-Teller systems under strong light-matter coupling

Eric W. Fischer, Michael Roemelt ยท 2026

We extend our recent work on the cavity-modified spin Zeeman effect of an effective spin-1/2-system[J. Chem. Phys. 163, 174307 (2025)] to a relativistic Jahn-Teller scenario under strong light-matter โ€ฆ

Read Paper โ†’
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

Read Paper โ†’
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

Read Paper โ†’
Chemistry Preprint PDF DOI

Optical frequency comb Fourier transform spectroscopy of the CH$_2$$^{79}$Br$^{81}$Br, CH$_2$$^{79}$Br$_2$, and CH$_2$$^{81}$Br$_2$ isotopologues in the 1180-1210 cm$^{-1}$ region

Ibrahim Sadiek, Aleksandr A. Balashov, Adrian Hjalten, Michael Rey, Oleg Egorov, Aleksandra Foltynowicz ยท 2026

Quantitative spectroscopic detection of dibromomethane, CH$_2$Br$_2$, for environmental monitoring, workplace safety, and exoplanetary studies is limited by the lack of accurate absorption cross-sectiโ€ฆ

Read Paper โ†’
Chemistry Preprint PDF DOI

Collective Electronic Polarization Drives Charge Asymmetry at Oil-Water Interfaces

Gabriele Amante, Klaudia Mrazikova, Gabriele Centi, Sylvie Roke, Ali Hassanali, Giuseppe Cassone ยท 2026

Why kinetically stable oil droplets in water spontaneously acquire a negative charge remains one of the most vigorously debated questions in interfacial science. Here, we combine neural-network based โ€ฆ

Read Paper โ†’
Chemistry Preprint PDF DOI

Benchmarking mixed quantum-classical dynamics for collective electronic strong coupling

Arun Kumar Kanakati, Oriol Vendrell, Gerrit Groenhof ยท 2026

Experiments indicate that collective coupling of molecular ensembles to confined optical modes can modify excited-state dynamics and photochemical reactivity. To describe such cavity-induced effects aโ€ฆ

Read Paper โ†’
Chemistry Preprint PDF DOI

Enhanced Third-Order Optical Nonlinearity in a Dipolar Carbene-Metal-Amide Material with Two-Photon Excited Delayed Fluorescence

Ikechukwu D Nwosu, Lujo Matasovic, Tarcius N Ramos (UNamur), Nguyen Le Phuoc, Giacomo Londi (UniPi), Alexander J Gillett, Daniel T W Toolan, Charles T Smith, George F S Whitehead, Mireille Blanchard-Desce (ISM), Jonathan Daniel (ISM), Mikko Linnolahti (UEF), Yoann Olivier (UNamur), Alexander S Romanov ยท 2026

Advanced photonic materials showing two-photon absorption (2PA) have been widely explored to develop three-dimensional imaging, micro and nanofabrication, all-optical switching, lithography on a nanosโ€ฆ

Read Paper โ†’
Chemistry Preprint PDF DOI

Projected Hessian Learning: Fast Curvature Supervision for Accurate Machine-Learning Interatomic Potentials

Austin Rodriguez, Justin S. Smith, Sakib Matin, Nicholas Lubbers, Kipton Barros, Jose L. Mendoza-Cortes ยท 2026

The Hessian matrix (second derivatives) encodes far richer local curvature of the potential energy surface than energies and forces alone. However, training machine-learning interatomic potentials (MLโ€ฆ

Read Paper โ†’
Chemistry Preprint PDF DOI

A Relationship between the Molecular Parity-Violation Energy and the Electronic Chirality Measure

Juan J. Aucar, Alessandro Stroppa, Gustavo A. Aucar ยท 2026

When the weak-forces producing parity-violating effects are taken into account, there is a tiny energy difference between the total electronic energies of two enantiomers ($\Delta E_{PV}$), which mighโ€ฆ

Read Paper โ†’
Chemistry Preprint PDF DOI

Electron Attachment Induced Shape Resonances in AT Base Pairs

Sneha Arora, Jishnu Narayanan SJ, Achintya Kumar Dutta ยท 2026

In this work, we investigated the influence of base pairing and {\pi}-{\pi} stacking interactions on electron attachment induced shape resonances in the adenine-thymine (AT) base pair. Resonance positโ€ฆ

Read Paper โ†’
Chemistry Preprint PDF DOI

Spectral Homogenization of the Radiative Transfer Equation via Low-Rank Tensor Train Decomposition

Y. Sungtaek Ju ยท 2026

Radiative transfer in absorbing-scattering media requires solving a transport equation across a spectral domain with 10^5 - 10^6 molecular absorption lines. Line-by-line (LBL) computation is prohibitiโ€ฆ

Read Paper โ†’
Chemistry Preprint PDF DOI

Efficient, Equivariant Predictions of Distributed Charge Models

Eric D. Boittier, Markus Meuwly ยท 2026

A machine learning (ML) based equivariant neural network for constructing distributed charge models (DCMs) of arbitrary resolution, DCM-net, is presented. DCMs efficiently and accurately model the aniโ€ฆ

Read Paper โ†’
Chemistry Preprint PDF DOI

Interpretable Machine Learning for Quantum-Informed Property Predictions in Artificial Sensing Materials

Li Chen, Leonardo Medrano Sandonas, Shirong Huang, Alexander Croy, Gianaurelio Cuniberti ยท 2026

Digital sensing faces challenges in developing sustainable methods to extend the applicability of customized e-noses to complex body odor volatilome (BOV). To address this challenge, we developed MOREโ€ฆ

Read Paper โ†’
Chemistry Preprint PDF DOI

Maximum Diminished Sombor Index of Molecular Trees with a Perfect Matching

Fei Guo, Fangxia Wang ยท 2025

The diminished Sombor index $(DSO)$ of a graph $G$, introduced by Rajathagiri, is defined as $$DSO(G)=\sum_{uv\in E}\frac{\sqrt{d_u^2+d_v^2}}{d_u+d_v},$$ where $d_u$ and $d_v$ are the degrees of vertiโ€ฆ

Read Paper โ†’
Chemistry Preprint PDF DOI

Measurement and assignment of E-symmetry states in the 6010-6110 cm$^{-1}$ and 8940-9150 cm$^{-1}$ ranges of methane using optical frequency comb double-resonance spectroscopy

Adrian Hjalten, Vinicius Silva de Oliveira, Michael Rey, Isak Silander, Kevin K. Lehmann, Aleksandra Foltynowicz ยท 2025

We use sub-Doppler optical-optical double-resonance (OODR) spectroscopy with a 3.3 ${\mu}$m single-frequency pump and a cavity-enhanced 1.65 ${\mu}$m comb probe to measure 33 ladder-type (3${\nu}$${_3โ€ฆ

Read Paper โ†’
Chemistry Preprint PDF DOI

On-the-Fly Cavity-Molecular Dynamics of Vibrational Polaritons

Sachith Wickramasinghe, Amirhosein Amini, Arkajit Mandal ยท 2025

In this work, we combine the density functional tight-binding (DFTB) approach with a light-matter Hamiltonian beyond the long-wavelength approximation to propagate the dynamics of vibrational polaritoโ€ฆ

Read Paper โ†’
Chemistry Preprint PDF DOI

Asymmetry and coverage dependence in two-pulse correlation measurements of CO photodesorption from Pd(111): Insights from theory

Raul Bombin, Alberto S. Muzas, Alfredo Serrano Jimenez, J. Inaki Juaristi, Maite Alducin ยท 2025

Two-pulse correlation experiments performed using pulses of different intensities on Pd(111) with different CO coverages showed that the CO photodesorption probability depends on whether the strong orโ€ฆ

Read Paper โ†’
Page 1 of 24 Next โ†’