High-pressure Ion TrapA High-Pressure Ion Trap operating at pressure ~1 Torr is a core component of the portable hand-held mass-spectrometric gas analyzer. A comprehensive mathematical model of the HPIT is described in…Evgeny V. Krylov·Mar 31, 2025SaveLearn
A Deep Learning Framework for the Electronic Structure of Water: Towards a Universal ModelAccurately modeling the electronic structure of water across scales, from individual molecules to bulk liquid, remains a grand challenge. Traditional computational methods face a critical trade-off…Xinyuan Liang, Renxi Liu, Mohan Chen·Mar 31, 2025SaveLearn
H2-roaming dynamics in the formation of H3+ following two-photon double ionization of ethanol and aminoethanolRoaming reactions involving a neutral fragment of a molecule that transiently wanders around another fragment before forming a new bond are intriguing and peculiar pathways for molecular…Aaron Ngai, Sebastian Hartweg, Jakob D. Asmussen et al.·Mar 31, 2025SaveLearn
The Molecular Quantum electro-Dynamics Research Group in BudapestThis article briefly overviews the scientific activities of the Molecular Quantum (electro-)Dynamics (MQD) Research Group in Budapest. Since its foundation in 2016, the MQD group has worked on…Edit Matyus·Mar 31, 2025SaveLearn
Performing Path Integral Molecular Dynamics Using Artificial Intelligence Enhanced Molecular Simulation FrameworkThis study employed an artificial intelligence-enhanced molecular simulation framework to enable efficient Path Integral Molecular Dynamics (PIMD) simulations. Owing to its modular architecture and…Cheng Fan, Maodong Li, Sihao Yuan et al.·Mar 31, 2025SaveLearn
Optimal Invariant Bases for Atomistic Machine LearningThe representation of atomic configurations for machine learning models has led to the development of numerous descriptors, often to describe the local environment of atoms. However, many of these…Alice E. A. Allen, Emily Shinkle, Roxana Bujack et al.·Mar 30, 2025SaveLearn
A low-cost four-component relativistic coupled cluster linear response theory based on perturbation sensitive natural spinorsWe present an efficient implementation of four-component linear response coupled cluster singles and doubles (4c-LRCCSD) theory that enables accurate and computationally efficient calculation of…Sudipta Chakraborty, Amrita Manna, T. Daniel Crawford et al.·Mar 29, 2025SaveLearn
Extending ring polymer molecular dynamics rate theory to reactions with non-separable reactantsThe ring polymer molecular dynamics (RPMD) rate theory is an efficient and accurate method for estimating rate coefficients of chemical reactions affected by nuclear quantum effects. The commonly…Chen Li, Liang Zhang, Bin Jiang et al.·Mar 29, 2025SaveLearn
Quantum Many-Body Linear Algebra, Hamiltonian Moments, and a Coupled Cluster Inspired FrameworkWe propose a general strategy to develop quantum many-body approximations of primitives in linear algebra algorithms. As a practical example, we introduce a coupled-cluster inspired framework to…Yuhang Ai, Huanchen Zhai, Johannes Tölle et al.·Mar 28, 2025SaveLearn
Leveraging MMW-MMW Double Resonance Spectroscopy to Understand the Pure Rotational Spectrum of Glycidaldehyde and 17 of Its Vibrationally Excited StatesBroadband measurements of glycidaldehyde in the frequency ranges 75-170 and 500-750 GHz were recorded to extend previous analyses of its pure rotational spectrum in the microwave region. The…Luis Bonah, Jean-Claude Guillemin, Arnaud Belloche et al.·Mar 28, 2025SaveLearn
Non-linear and non-empirical double hybrid density functionalWe develop a non-linear and non-empirical (nlane) double hybrid density functional derived from an accurate interpolation of the adiabatic connection in density functional theory, incorporating the…Danish Khan·Mar 28, 2025SaveLearn
Two-dimensional electronic spectroscopy in the condensed phase using equivariant transformer accelerated molecular dynamics simulationsTwo-dimensional electronic spectroscopy (2DES) provides rich information about how the electronic states of molecules, proteins, and solid-state materials interact with each other and their…Joseph Kelly, Frank Hu, Arianna Damiani et al.·Mar 28, 2025SaveLearn
Analogue of the Mpemba effect in classical mechanicsThe name "Mpemba effect" was given to the finding that "If two systems are cooled, the water that starts hotter may freeze first", confirmed by numerous of observations. Now this paradoxical…Alexei V. Finkelstein·Mar 28, 2025SaveLearn
Enhancing Accuracy of Quantum-Selected Configuration Interaction Calculations using Multireference Perturbation Theory: Application to Aromatic MoleculesQuantum-selected configuration interaction (QSCI) is a novel quantum-classical hybrid algorithm for quantum chemistry calculations. This method identifies electron configurations having large weights…Soichi Shirai, Shih-Yen Tseng, Hokuto Iwakiri et al.·Mar 28, 2025SaveLearn
Ostwald Ripening of Buoyancy-Driven MicrobubblesMicrobubble solutions have a wide range of industrial applications, including heat transfer, agriculture, and water treatment. Therefore, understanding and controlling the size variation of bubbles…Yuki Uematsu·Mar 28, 2025SaveLearn
Radiative stabilization of the indenyl cation: Recurrent fluorescence in a closed-shell polycyclic aromatic hydrocarbonSeveral small polycyclic aromatic hydrocarbons (PAHs) with closed-shell electronic structure have been identified in the cold, dark environment Taurus Molecular Cloud-1. We measure efficient…James N. Bull, Arun Subramani, Chang Liu et al.·Mar 27, 2025SaveLearn
Extracting Coupling-Mode Spectral Densities with Two-Dimensional Electronic SpectroscopyMethods for reconstructing the spectral density of a vibrational environment from experimental data can yield key insights into the impact of the environment on molecular function. Although such…Roosmarijn de Wit, Jonathan Keeling, Brendon W. Lovett et al.·Mar 27, 2025SaveLearn
High efficiency quantification of 90Sr contamination in cow milk after a nuclear accidentMonitoring 90Sr contamination in milk following a nuclear accident is critical due to its radiotoxicity and calcium-mimicking behaviour, leading to accumulation in bones and teeth. This study…Q. Rogliardo, A. Kanellakopoulos, H. Corcelle et al.·Mar 27, 2025SaveLearn
Ultrafast Charge-Transfer and Auger Decay Processes in Aqueous CaCl2 Solution: Insights from Core-Level SpectroscopyUnderstanding the interaction between metal ions and their aqueous environment is fundamental in many areas of chemistry, biology, and environmental science. In this study, we investigate the…Denis Céolin, Tsveta Miteva, Jean-Pascal Rueff et al.·Mar 27, 2025SaveLearn
Stress-driven whisker formation in lithium metal batteriesLithium metal batteries are promising for next-generation high-energy-density batteries, especially when lithium is directly plated on a current collector. However, lithium whiskers can form in the…Martin Werres, Dariusz Niedziela, Arnulf Latz et al.·Mar 27, 2025SaveLearn
Illuminating Protein Dynamics: A Review of Computational Methods for Studying Photoactive ProteinsPhotoactive proteins absorb light and undergo structural changes that enable them to perform essential biological functions. These proteins are critical for understanding light-induced biological…Sylwia Czach, Jakub Rydzewski, Wiesław Nowak·Mar 27, 2025SaveLearn
Structural bias in three-dimensional autoregressive generative machine learning of organic moleculesA range of generative machine learning models for the design of novel molecules and materials have been proposed in recent years. Models that can generate three-dimensional structures are…Zsuzsanna Koczor-Benda, Joe Gilkes, Francesco Bartucca et al.·Mar 27, 2025SaveLearn
Reaction Dynamics of the H + HeH+ → He + H2+ SystemThe reaction dynamics for the H + HeH+ → He + H2+ reaction in its electronic ground state is investigated using two different representations of the potential energy surface (PES).…Meenu Upadhyay, Silvan Käser, Jayakrushna Sahoo et al.·Mar 27, 2025SaveLearn
Optimal Rejection-Free Path SamplingWe propose an efficient novel path sampling-based framework designed to accelerate the investigation of rare events in complex molecular systems. A key innovation is the shift from sampling…Gianmarco Lazzeri, Peter G. Bolhuis, Roberto Covino·Mar 26, 2025SaveLearn
Kinetics of seeded protein aggregation: theory and application``Seeding'' is the addition of preformed fibrils to a solution of monomeric protein to accelerate its aggregation into new fibrils. It is a versatile and widely-used tool for scientists studying…Alexander J. Dear, Georg Meisl, Jing Hu et al.·Mar 26, 2025SaveLearn