Direct detonation initiation and propagation in methane/air mixtures containing coal particlesThe mechanisms of direct detonation initiation (DDI) in methane/air mixtures containing coal particles are investigated through simulations conducted using the Eulerian-Lagrangian method in a…Shengnan Li, Shangpeng Li, Shumeng Xie et al.·Feb 22, 2025SaveLearn
Turning on the Light: Polymorphism-Induced Photoluminescence in Cysteine CrystalsPhotoluminescence of non-aromatic supramolecular chemical assemblies has attracted considerable attention in recent years due to its potential for use in molecular sensing and imaging technologies.…Debarshi Banerjee, Sonika Chibh, Om Shanker Tiwari et al.·Feb 22, 2025SaveLearn
Taming the Virtual Space for Incremental Full Configuration InteractionIncremental full configuration interaction (iFCI) closely approximates the FCI limit with polynomial cost through a many-body expansion of the correlation energy, providing highly accurate total…Jeffrey Hatch, Paul M. Zimmerman·Feb 21, 2025SaveLearn
Triplet J-driven DNP, a proposal to increase the sensitivity of solution-state NMR without microwaveDynamic nuclear polarization (DNP) is an important method to enhance the limited sensitivity of nuclear magnetic resonance (NMR). Using the existing mechanisms such as Overhauser DNP (ODNP) is still…Maria Grazia Concilio, Yiwen Wang, Linjun Wang et al.·Feb 21, 2025SaveLearn
Machine learning meets su(n) Lie algebra: Enhancing quantum dynamics learning with exact trace conservationMachine learning (ML) has emerged as a promising tool for simulating quantum dissipative dynamics. However, existing methods often struggle to enforce key physical constraints, such as trace…Arif Ullah, Jeremy O. Richardson·Feb 21, 2025SaveLearn
Roadmap for Molecular Benchmarks in Nonadiabatic DynamicsSimulating the coupled electronic and nuclear response of a molecule to light excitation requires the application of nonadiabatic molecular dynamics. However, when faced with a specific photophysical…Léon E. Cigrang, Basile F. E. Curchod, Rebecca A. Ingle et al.·Feb 20, 2025SaveLearn
Strong coupling quantum electrodynamics Hartree-Fock response theoryThe development of reliable ab initio methods for light-matter strong coupling is necessary for a deeper understanding of molecular polaritons. The recently developed strong coupling quantum…Matteo Castagnola, Rosario R. Riso, Yassir El Moutaoukal et al.·Feb 20, 2025SaveLearn
Imaging the Photochemistry of Cyclobutanone using Ultrafast Electron Diffraction: Experimental ResultsWe investigated the ultrafast structural dynamics of cyclobutanone following photoexcitation at λ=200 nm using gas-phase megaelectronvolt ultrafast electron diffraction. Our investigation…A. E. Green, Y. Liu, F. Allum et al.·Feb 19, 2025SaveLearn
Real-time interpretation of neutron vibrational spectra with symmetry-equivariant Hessian matrix predictionThe vibrational behavior of molecules serves as a crucial fingerprint of their structure, chemical state, and surrounding environment. Neutron vibrational spectroscopy provides comprehensive…Bowen Han, Pei Zhang, Kshitij Mehta et al.·Feb 18, 2025SaveLearn
Rotational quenching of monofluorides in a cryogenic helium bathBuffer gas cooling, one of the most relevant direct cooling techniques for cooling molecules, relies on dissipating the energy of the molecule via collisions with a buffer gas. The cooling efficiency…Mateo Londoño, Jesús Pérez-Ríos·Feb 18, 2025SaveLearn
Transferable Machine Learning Potential X-MACE for Excited States using Integrated DeepSetsConical intersections serve as critical gateways in photochemical reactions, enabling rapid nonradiative transitions between potential energy surfaces that underpin fundamental processes such as…Rhyan Barrett, Christoph Ortner, Julia Westermayr·Feb 18, 2025SaveLearn
Mechanism of Heteroepitaxial Growth of Boron Carbide on the Si-Face of 4H-SiCHeteroepitaxial boron carbide (BxC) can be grown on Si face 4H-SiC(0001) using a two-step process involving substrate boridation at 1200 under BCl3 + H2 followed by a chemical vapor…Yamina Benamra, Laurent Auvray, Jérôme Andrieux et al.·Feb 18, 2025SaveLearn
The Q-AMOEBA (CF) Polarizable PotentialWe present Q-AMOEBA (CF), an enhanced version of the Q-AMOEBA polarizable model that integrates a geometry-dependent charge flux (CF) term while designed for an explicit treatment of nuclear quantum…Nastasia Mauger, Thomas Plé, Louis Lagardère et al.·Feb 18, 2025SaveLearn
Decoherence and vibrational energy relaxation of the electronically excited PtPOP complex in solutionUnderstanding the ultrafast vibrational relaxation following photoexcitation of molecules in a condensed phase is essential to predict the outcome and improve the efficiency of photoinduced molecular…Benedikt O Birgisson, Asmus Ougaard Dohn, Hannes Jónsson et al.·Feb 17, 2025SaveLearn
Towards Environment-Sensitive Molecular Inference via Mixed Integer Linear ProgrammingTraditional QSAR/QSPR and inverse QSAR/QSPR methods often assume that chemical properties are dictated by single molecules, overlooking the influence of molecular interactions and environmental…Jianshen Zhu, Mao Takekida, Naveed Ahmed Azam et al.·Feb 17, 2025SaveLearn
Metal Ions based Dynamic Nuclear Polarization: MI-DNPOver the last two decades magic angle spinning dynamic nuclear polarization (MAS DNP) has revolutionized NMR for materials characterization, tackling its main limitation of intrinsically low…Daniel Jardon- Alvarez, Michal Leskes·Feb 15, 2025SaveLearn
Many-body theory calculations of positron binding to parabenzoquinonePositron binding in parabenzoquinone is studied using ab initio many-body theory. The effects of electron-positron correlations including polarization, virtual positronium formation and…S. K. Gregg, J. Hofierka, B. Cunningham et al.·Feb 14, 2025SaveLearn
Exchange-Correlation Potentials and Energy Densities through Orbital Averaging and Aufbau IntegrationExchange-correlation potentials vxc and energy densities exc are derived for integer and fractional electron counts using an orbital-averaged Kohn-Sham inversion procedure. The reference densities…Vaibhav Khanna, Bikash Kanungo, Jeffrey Hatch et al.·Feb 14, 2025SaveLearn
Pump-intensity-scaling of Two-Photon-Absorption and Photon Statistics of Entangled-Photon FieldsWe use a non-perturbative theoretical approach to the parametric down-conversion (PDC) process, which generates entangled-photon field for an arbitrarily strong pump-pulse. This approach can be used…Deependra Jadoun, Upendra Harbola, Vladimir Y. Chernyak et al.·Feb 14, 2025SaveLearn
Shadow Molecular Dynamics for a Charge-Potential Equilibration ModelWe introduce a shadow molecular dynamics (MD) approach based on the Atom-Condensed Kohn-Sham second-order (ACKS2) charge-potential equilibration model. In contrast to regular flexible charge models,…Robert Stanton, Cagri Mehmet Kaymak, Anders M. N. Niklasson·Feb 13, 2025SaveLearn
Convex envelope method for T, p flash calculations for mixtures with an arbitrary number of components and arbitrary aggregate statesT, p flash calculations determine the correct number of phases at phase equilibrium and their compositions for fixed temperature and pressure. They are essential for chemical process simulation and…Quirin Göttl, Natalie Rosen, Jakob Burger·Feb 13, 2025SaveLearn
Leveraging the Bias-Variance Tradeoff in Quantum Chemistry for Accurate Negative Singlet-Triplet Gap Predictions: A Case for Double-Hybrid DFTMolecules that have been suggested to violate the Hund's rule, having a first excited singlet state (S1) energetically below the triplet state (T1), are rare. Yet, they hold the promise to be…Atreyee Majumdar, Raghunathan Ramakrishnan·Feb 13, 2025SaveLearn
A Guide to Molecular Properties from the Bethe-Salpeter EquationThe Bethe-Salpeter equation (BSE) combined with the Green's function GW method has successfully transformed into a robust computational tool to describe light-matter interactions and excitation…Christof Holzer, Yannick J. Franzke·Feb 12, 2025SaveLearn
CO2 Hydration at the Air-Water Interface: A Surface-Mediated 'In and Out' MechanismAn understanding of the CO2 + H2O hydration reaction is crucial for modeling the effects of ocean acidification, for enabling novel carbon storage solutions, and as a model process in the…Samuel G. H. Brookes, Venkat Kapil, Angelos Michaelides et al.·Feb 12, 2025SaveLearn
Electronic decoherence along a single nuclear trajectoryWe describe a novel approach to subsystem decoherence without the usual tracing-out of the environment. The subsystem of focus is described entirely by a pure state evolving non-unitarily along a…Matisse Wei-Yuan Tu, E. K. U. Gross·Feb 12, 2025SaveLearn