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相关论文: Insights into neutron star equation of state by ma…

200 篇论文

The hadronic equation of state for a neutron star is discussed with a particular emphasis on the symmetry energy. The results of several microscopic approaches are compared and also a new calculation in terms of the self-consistent Green…

核理论 · 物理学 2007-05-23 A. E. L. Dieperink , D. Van Neck , Y. Dewulf , V. Rodin

We derive the empirical formulas for the neutron star mass and gravitational redshift as a function of the central density and specific combination of the nuclear saturation parameters, which are applicable to the stellar models constructed…

核理论 · 物理学 2022-03-23 Hajime Sotani , Hajime Togashi

In the past two decades, machine learning potentials (MLP) have reached a level of maturity that now enables applications to large-scale atomistic simulations of a wide range of systems in chemistry, physics and materials science. Different…

化学物理 · 物理学 2021-07-09 Emir Kocer , Tsz Wai Ko , Jörg Behler

We reexamine the equation of state for the nucleonic and hyperonic inner core of neutron stars that satisfies the 2$M_{\odot}$ observations as well as the recent determinations of stellar radii below 13 km, while fulfilling the saturation…

高能天体物理现象 · 物理学 2017-12-08 Laura Tolos , Mario Centelles , Angels Ramos

We investigate constraints on neutron star structure arising from the assumptions that neutron stars have crusts, that recent calculations of pure neutron matter limit the equation of state of neutron star matter near the nuclear saturation…

高能天体物理现象 · 物理学 2016-02-26 A. W. Steiner , J. M. Lattimer , E. F. Brown

Astrophysical observations of neutron stars probe the structure of dense nuclear matter and have the potential to reveal phase transitions at high densities. Most recent analyses are based on parametrized models of the equation of state…

高能天体物理现象 · 物理学 2025-05-13 Reed Essick , Isaac Legred , Katerina Chatziioannou , Sophia Han , Philippe Landry

Relations between stellar properties independent of the nuclear equation of state offer profound insights into neutron star physics and have practical applications in data analysis. Commonly, these relations are derived from utilizing…

高能天体物理现象 · 物理学 2025-12-10 Grigorios Papigkiotis , Georgios Vardakas , Nikolaos Stergioulas

Understanding and predicting the emergence of novel materials is a fundamental challenge in condensed matter physics, materials science and technology. With the rapid growth of materials databases in both size and reliability, the challenge…

材料科学 · 物理学 2025-02-14 Jacopo Moi , Davide Spallarossa , Stefano Bonetti , Raffaella Burioni , Guido Caldarelli

A central open problem in nuclear physics is the determination of a physically robust equation of state (EoS) for dense nuclear matter, which directly informs our understanding of the internal composition and macroscopic properties of…

核理论 · 物理学 2025-12-08 I. Stergakis , Th. Diakonidis , Ch. C. Moustakidis

Neural networks have been demonstrated to be able to accelerate the modeling and inverse design of optical and electromagnetic devices by serving as fast surrogates for electromagnetic solvers. Nevertheless, such neural networks can be…

光学 · 物理学 2026-04-14 Viktor A. Lilja , Albin J. Svärdsby , Timo Gahlmann , Philippe Tassin

In recent years, machine learning has emerged as a powerful computational tool and novel problem-solving perspective for physics, offering new avenues for studying strongly interacting QCD matter properties under extreme conditions. This…

高能物理 - 唯象学 · 物理学 2023-12-05 Kai Zhou , Lingxiao Wang , Long-Gang Pang , Shuzhe Shi

The landscape of low-energy effective field theories stemming from string theory is too vast for a systematic exploration. However, the meadows of the string landscape may be fertile ground for the application of machine learning…

高能物理 - 理论 · 物理学 2024-03-07 Stefano Lanza

After more than 80 years from the seminal work of Weizs\"acker and the liquid drop model of the atomic nucleus, deviations from experiments of mass models ($\sim$ MeV) are orders of magnitude larger than experimental errors ($\lesssim$…

核理论 · 物理学 2021-01-04 Andrea Idini

Recently, Neural networks have seen a huge surge in its adoption due to their ability to provide high accuracy on various tasks. On the other hand, the existence of adversarial examples have raised suspicions regarding the generalization…

机器学习 · 计算机科学 2018-01-04 Mayank Singh , Abhishek Sinha , Balaji Krishnamurthy

Deep learning has been wildly successful in practice and most state-of-the-art machine learning methods are based on neural networks. Lacking, however, is a rigorous mathematical theory that adequately explains the amazing performance of…

机器学习 · 统计学 2023-10-03 Rahul Parhi , Robert D. Nowak

A neural-network model is developed to reproduce the differences between experimental nuclear mass-excess values and the theoretical values given by the Finite Range Droplet Model. The results point to the existence of subtle regularities…

核理论 · 物理学 2007-05-23 S. Athanassopoulos , E. Mavrommatis , K. A. Gernoth , J. W. Clark

Machine learning has proven to be a valuable tool to approximate functions in high-dimensional spaces. Unfortunately, analysis of these models to extract the relevant physics is never as easy as applying machine learning to a large dataset…

材料科学 · 物理学 2020-05-06 Conrad W. Rosenbrock , Eric R. Homer , Gábor Csányi , Gus L. W. Hart

Ray tracing algorithms that compute pulse profiles from rotating neutron stars are essential tools for constraining neutron-star properties with data from missions such as NICER. However, the high computational cost of these simulations…

高能天体物理现象 · 物理学 2025-06-16 Preston G. Waldrop , Dimitrios Psaltis , Tong Zhao

Models of neutron stars are considered in the case of a uniform density distribution. An algebraic equation, valid for any equation of state, is obtained. This equation allows one to find the approximate mass of a star of a given density…

高能天体物理现象 · 物理学 2023-11-14 G. S. Bisnovatyi-Kogan , E. A. Patraman

Neutron stars are the most dense objects in the observable Universe and conventionally one uses nuclear theory to obtain the equation of state (EOS) of dense hadronic matter and the global properties of these stars. In this work, we review…

核理论 · 物理学 2009-02-03 T. K. Jha