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Astrochemical modeling is needed for understanding the formation and evolution of interstellar molecules, and for extracting physical information from spectroscopic observations of interstellar clouds. The modeling usually involves handling…

Solar and Stellar Astrophysics · Physics 2021-05-05 Fujun Du

We describe a fourth-order accurate finite-difference time-domain scheme for solving dispersive Maxwell's equations with nonlinear multi-level carrier kinetics models. The scheme is based on an efficient single-step three time-level…

Genome sequence analysis plays a pivotal role in enabling many medical and scientific advancements in personalized medicine, outbreak tracing, and forensics. However, the analysis of genome sequencing data is currently bottlenecked by the…

Hardware Architecture · Computer Science 2021-11-04 Damla Senol Cali

Databases of gas and surface chemical reactions are a key tool for scientists working in a wide range of physical sciences. In Astrochemistry, databases of chemical reactions are used as inputs to chemical models to determine the abundances…

Astrophysics of Galaxies · Physics 2021-01-14 Serena Viti , Jonathan Holdship

To date, over 500 short-period rocky planets with equilibrium temperatures above 1500 K have been discovered. Such planets are expected to support magma oceans, providing a direct interface between the interior and the atmosphere. This…

Earth and Planetary Astrophysics · Physics 2023-09-18 Christiaan P. A. Van Buchem , Yamila Miguel , Mantas Zilinskas , Wim van Westrenen

The deep learning (DL) has been penetrating daily life in many domains, how to keep the DL model inference secure and sample privacy in an encrypted environment has become an urgent and increasingly important issue for various…

Cryptography and Security · Computer Science 2025-12-01 Wenbo Song , Xinxin Fan , Quanliang Jing , Shaoye Luo , Wenqi Wei , Chi Lin , Yunfeng Lu , Ling Liu

The slow inference process of image diffusion models significantly degrades interactive user experiences. To address this, we introduce Diffusion Preview, a novel paradigm employing rapid, low-step sampling to generate preliminary outputs…

Machine Learning · Computer Science 2026-04-08 Fu-Yun Wang , Hao Zhou , Liangzhe Yuan , Sanghyun Woo , Boqing Gong , Bohyung Han , Ming-Hsuan Yang , Han Zhang , Yukun Zhu , Ting Liu , Long Zhao

Scanning transmission electron microscopy (STEM) has a broad range of applications in materials characterization, including real-space imaging, spectroscopy, and diffraction, at length scales from the micron to sub-{\AA}ngstr\"om. The…

Instrumentation and Detectors · Physics 2022-06-07 Bryan D Esser , Joanne Etheridge

The majority of massive stars are located in binary or multiple star systems. Compared to single stars, these objects pose additional challenges to quantitative analyses based on model atmospheres. In particular, little information is…

Solar and Stellar Astrophysics · Physics 2024-11-27 Patrick Aschenbrenner , Norbert Przybilla

We present TTCF4LAMMPS, a toolkit for performing non-equilibrium molecular dynamics (NEMD) simulations to study fluid behaviour at low shear rates using the LAMMPS software. By combining direct NEMD simulations and the transient-time…

Soft Condensed Matter · Physics 2023-12-07 Luca Maffioli , James P. Ewen , Edward R. Smith , Sleeba Varghese , Peter J. Daivis , Daniele Dini , B. D. Todd

Recent observations have resulted in the detection of chemical gradients on ultra-hot gas giants. Notwithstanding their high temperature, chemical reactions in ultra-hot atmospheres may occur in disequilibrium, due to vigorous day-night…

Earth and Planetary Astrophysics · Physics 2024-05-29 Robin Baeyens , Jean-Michel Désert , Annemieke Petrignani , Ludmila Carone , Aaron David Schneider

As the (JWST) pursues its observing journey, several thousands of icy-grain spectra are expected to be measured and analysed. The inventory of ices in particular, via the observations of background sources, is accessible for hundreds of…

Astrophysics of Galaxies · Physics 2026-03-27 A. Taillard , P. Gratier , J. A. Noble , E. Dartois , A. C. A. Boogert , J. Keane , A. Clement , A. Maiolo , A. Fuente , V. Wakelam

A major theme in constraint-based modeling is unifying experimental data, such as biochemical information about the reactions that can occur in a system or the composition and localization of enzyme complexes, with highthroughput data…

Determining the atomic and molecular content of the interstellar medium (ISM) as a function of environmental parameters is of fundamental importance to understand the star-formation process across the epochs. Although there exist various…

Astrophysics of Galaxies · Physics 2022-12-07 Thomas G. Bisbas , Ewine F. van Dishoeck , Chia-Yu Hu , Andreas Schruba

Many species of complex organic molecules (COMs) have been observed in several astrophysical environments but it is not clear how they are produced, particularly in cold, quiescent regions. One process that has been proposed as a means to…

Astrophysics of Galaxies · Physics 2019-06-19 Jonathan Holdship , Jonathan Rawlings , Serena Viti , Nadia Balucani , Dimitrios Skouteris , David Williams

Transformer-based models have made tremendous impacts in natural language generation. However the inference speed is a bottleneck due to large model size and intensive computing involved in auto-regressive decoding process. We develop…

Computation and Language · Computer Science 2021-07-14 Yu Yan , Fei Hu , Jiusheng Chen , Nikhil Bhendawade , Ting Ye , Yeyun Gong , Nan Duan , Desheng Cui , Bingyu Chi , Ruofei Zhang

Several chemical networks have been developed to study warm (exo)planetary atmospheres. The kinetics of the reactions related to the methanol chemistry included in these schemes have been questioned. The goal of this paper is to update the…

Earth and Planetary Astrophysics · Physics 2020-02-12 Olivia Venot , Thibault Cavalié , Roda Bounaceur , Pascal Tremblin , Lothaire Brouillard , Romain Lhoussaine Ben Brahim

We present the latest results from the use of the Backus-Gilbert method for reconstructing the spectra of NRQCD bottomonium mesons using anisotropic FASTSUM ensembles at non-zero temperature. We focus in particular on results from the…

High Energy Physics - Lattice · Physics 2022-12-26 Ben Page , Chris Allton , Seyong Kim

Equilibrium Constant Differential Equations (ECDE) are derived for several nanoconfined elemental bimolecular reactions in the frameworks of statistical mechanics and the ideal gas model. The ECDEs complement the well-known…

Chemical Physics · Physics 2020-07-15 Leonid Rubinovich , Micha Polak

Opacities and chemical abundance data are crucial ingredients of ultracool dwarf and extrasolar giant planet atmosphere models. We report here on the detailed sources of molecular opacity data employed by our group for this application. We…

Astrophysics · Physics 2009-11-13 Richard S. Freedman , Mark S. Marley , Katharina Lodders