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The goal of AIMS (Asteroseismic Inference on a Massive Scale) is to estimate stellar parameters and credible intervals/error bars in a Bayesian manner from a set of asteroseismic frequency data and so-called classical constraints. To…

天体物理仪器与方法 · 物理学 2017-11-29 Mikkel N. Lund , Daniel R. Reese

Computer algebra systems play an important role in science as they facilitate the development of new theoretical models. The resulting symbolic equations are often implemented in a compiled programming language in order to provide fast and…

天体物理仪器与方法 · 物理学 2022-03-24 Uwe Schmitt , Beatrice Moser , Christiane S. Lorenz , Alexandre Refregier

We employ quantum Monte Carlo to obtain chemically accurate vertical and adiabatic excitation energies, and equilibrium excited-state structures for the small, yet challenging, formaldehyde and thioformaldehyde molecules. A key ingredient…

计算物理 · 物理学 2019-08-02 Monika Dash , Jonas Feldt , Saverio Moroni , Anthony Scemama , Claudia Filippi

We present a description of calculations of the electroweak amplitude for e+ e- --> f fbar process. The calculations are done within the OMS (on-mass-shell) renormalization scheme in two gauges: in Rxi, which allows an explicit control of…

高能物理 - 唯象学 · 物理学 2007-05-23 D. Bardin , L. Kalinovskaya , G. Nanava

We develop a Python-based open-source package to analyze the results stemming from ab initio molecular-dynamics simulations of fluids. The package is best suited for applications on natural systems, like silicate and oxide melts,…

`scores` is a Python package containing mathematical functions for the verification, evaluation and optimisation of forecasts, predictions or models. It supports labelled n-dimensional (multidimensional) data, which is used in many…

We present kikuchipy, an open-source toolbox for analysis of electron backscatter diffraction patterns, written in Python. The software is capable of both Hough and dictionary indexing and orientation and/or projection center refinement of…

The software package DIALECT is introduced, which provides the capability of calculating excited-state properties and nonadiabatic dynamics of large molecular systems and can be applied to simulate energy and charge-transfer processes in…

化学物理 · 物理学 2025-05-15 Richard Einsele , Xincheng Miao , Luca Nils Philipp , Roland Mitric

Theoretical calculations Beyond the Standard Model (BSM) constitute a challenge for high energy physicists, but are necessary when searching for New Physics. The predictions of a BSM scenario need to be compared with experimental data and…

高能物理 - 唯象学 · 物理学 2021-02-23 G. Uhlrich , F. Mahmoudi , A. Arbey

Density functional approximations (DFAs) suffer from delocalization error, which limits their accuracy in predicting electron affinities (EAs), ionization potentials (IPs), and quasiparticle energies. In this work, we present a theoretical…

化学物理 · 物理学 2026-04-07 Zipeng An , Xiaolong Yang , Xiao Zheng , Weitao Yang

This paper presents the second release of Pico (Parameters for the Impatient COsmologist). Pico is a general purpose machine learning code which we have applied to computing the CMB power spectra and the WMAP likelihood. For this release,…

天体物理学 · 物理学 2007-12-04 William A. Fendt , Benjamin D. Wandelt

This paper presents the HiPart package, an open-source native python library that provides efficient and interpret-able implementations of divisive hierarchical clustering algorithms. HiPart supports interactive visualizations for the…

We present an ab initio study of the HeH$^+$ molecule. Using the quantum chemistry package MOLPRO and a large adapted basis set, we have calculated the adiabatic potential energy curves of the first 20 $^1 \Sigma^+$, 19 $^3\Sigma^+$, 12…

原子物理 · 物理学 2015-05-14 J. Loreau , J. Lievin , P. Palmeri , P. Quinet , N. Vaeck

Cosmological Boltzmann codes are often used by researchers for calculating the CMB angular power spectra from different theoretical models, for cosmological parameter estimation, etc. Therefore, the accuracy of a Boltzmann code is of utmost…

宇宙学与河外天体物理 · 物理学 2025-09-09 Santanu Das , Anh Phan

A common technique in the study of complex quantum-mechanical systems is to reduce the number of degrees of freedom in the Hamiltonian by using quasi-degenerate perturbation theory. While the Schrieffer--Wolff transformation achieves this…

We present a numerical code to simulate maps of Galactic emission in intensity and polarization at microwave frequencies, aiding in the design of Cosmic Microwave Background experiments. This Python code builds on existing efforts to…

宇宙学与河外天体物理 · 物理学 2017-06-21 Ben Thorne , Jo Dunkley , David Alonso , Sigurd Naess

We describe a web-based cgi calculator for constructing synthetic color-magnitude diagrams for a simple stellar population (SSP) using the Yonsei-Yale (YY) isochrone data base. This calculator is designed to be used interactively. It…

天体物理学 · 物理学 2008-01-04 P. Demarque , S. N. Virani , E. J. Murphy , J. -H. Woo , Y. -C. Kim , S. K. Yi

We present a python-based program for phenomenological investigations in particle physics using machine learning algorithms, called \verb"MLAnalysis". The program is able to convert LHE and LHCO files generated by \verb"MadGraph5_aMC@NLO"…

高能物理 - 唯象学 · 物理学 2023-10-18 Yu-Chen Guo , Fan Feng , An Di , Shi-Qi Lu , Ji-Chong Yang

There are numerous approaches to building analysis applications across the high-energy physics community. Among them are Python-based, or at least Python-driven, analysis workflows. We aim to ease the adoption of a Python-based analysis…

计算物理 · 物理学 2018-04-25 David Lange

In this work, we developed an efficient approach to compute ensemble averages in systems with pairwise-additive energetic interactions between the entities. Methods involving full enumeration of the configuration space result in exponential…

生物大分子 · 定量生物学 2020-10-13 Arun V. Sathanur , Nathan A. Baker