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Natural disasters, such as hurricanes and typhoons, pose significant challenges to public safety and infrastructure. While government agencies rely on multi million dollar UAV systems for storm data collection and disaster response, smaller…

动力系统 · 数学 2025-09-17 Ahmed A. Elgohary , Benjamin Gwinnell , Josh Augustine

With the growth of data from new radio telescope facilities, machine-learning approaches to the morphological classification of radio galaxies are increasingly being utilised. However, while widely employed deep-learning models using…

天体物理仪器与方法 · 物理学 2025-06-30 Natalie E. P. Lines , Joan Font-Quer Roset , Anna M. M. Scaife

We present an efficient and systematically convergent approach to all-electron real-time time-dependent density functional theory (TDDFT) calculations using a mixed basis, termed as enriched finite element (EFE) basis. The EFE basis…

化学物理 · 物理学 2022-10-27 Bikash Kanungo , Nelson D. Rufus , Vikram Gavini

We investigate the equation of state (EOS) of hyperonic neutron star (NS) matter within a density-dependent relativistic mean-field (DDRMF) framework. The effects of scalar, vector, and mixed density dependencies in meson-baryon couplings…

核理论 · 物理学 2025-11-04 Aprajita Shrivastava , Prasanta Char , Sakshi Gautam , Sarmistha Banik

We review the theoretical foundations, methodological approaches and current status of the determination of nuclear parton distribution functions (PDFs). A large variety of measurements in fixed-target and collider experiments provide…

高能物理 - 唯象学 · 物理学 2024-07-16 M. Klasen

A modified version of the density dependent covariant density functional model proposed in [T. Malik, M. Ferreira, B. K. Agrawal and C. Provid\^encia, ApJ 930, 17 (2022)] is employed in a Bayesian analysis to determine the equation of state…

核理论 · 物理学 2023-04-12 Mikhail V. Beznogov , Adriana R. Raduta

Hadron properties are studied at hot medium using the quark sigma model. The quark sigma model is extended to include eighth-order of mesonic interactions based on some aspects of quantum chromodynamic (QCD) theory. The extended effective…

高能物理 - 唯象学 · 物理学 2015-01-05 M. Abu-Shady , A. K. Abu-Nab

Effective field theory (EFT) methods for a uniform system of fermions with short-range, natural interactions are extended to include pairing correlations, as part of a program to develop a systematic Kohn-Sham density functional theory…

核理论 · 物理学 2008-11-26 R. J. Furnstahl , H. -W. Hammer , S. J. Puglia

In this work, we present a new global QCD analyses, referred to as PKHFF.23, for charged pion, kaon, and unidentified light hadrons. We utilize a Neural Network to fit the high-energy lepton-lepton and lepton-hadron scattering data,…

高能物理 - 唯象学 · 物理学 2024-09-09 Maryam Soleymaninia , Hadi Hashamipour , Hamzeh Khanpour , Samira Shoeib , Alireza Mohamaditabar

In the framework of Thomas-Fermi approximation, we study systematically the EOSs and microscopic structures of neutron star matter in a vast density range with $n_\mathrm{b}\approx 10^{-10}$-2 $\mathrm{fm}^{-3}$, where various covariant…

核理论 · 物理学 2022-08-30 Cheng-Jun Xia , Toshiki Maruyama , Ang Li , Bao Yuan Sun , Wen-Hui Long , Ying-Xun Zhang

We use shell model techniques in the complete pf shell to study pair correlations in nuclei. Particular attention is paid to the competition of isoscalar and isovector proton-neutron pairing modes which is investigated in the odd-odd N=Z…

核理论 · 物理学 2009-10-31 G. Martinez-Pinedo , K. Langanke , P. Vogel

First calculations for deformed nuclei with the Fayans functional are carried out for the uranium and lead isotopic chains. The ground state deformations and deformation energies are compared to Skyrme-Hartree-Fock-Bogolyubov results of…

We explore the modifications of hadron structure in a nuclear medium, focusing on the spacelike electromagnetic form factors (EMFFs) of light and heavy-light pseudoscalar mesons. By combining the light-front quark model (LFQM) with the…

高能物理 - 唯象学 · 物理学 2025-06-04 Ahmad Jafar Arifi , Parada T. P. Hutauruk , Kazuo Tsushima

Electromagnetic (EM) coupling between molecular exciton and plasmon has been studied using in Rayleigh scattering or extinction spectroscopy. However, evaluating EM coupling involving subradiant plasmon is challenging because this resonance…

光学 · 物理学 2026-05-15 Tamitake Itoh , Yuko S. Yamamoto

Jet tagging techniques that make use of deep learning show great potential for improving physics analyses at colliders. One such method is the Energy Flow Network (EFN) - a recently introduced neural network architecture that represents…

高能物理 - 唯象学 · 物理学 2021-04-29 Matthew J. Dolan , Ayodele Ore

The current observational properties of neutron stars have not definitively ruled out the possibility of dark matter. In this study, we primarily focus on exploring correlations between the dark matter model parameters and different neutron…

高能物理 - 唯象学 · 物理学 2023-08-02 Prashant Thakur , Tuhin Malik , Arpan Das , T. K. Jha , Constança Providência

Comparing with a wide range of covariant energy density functional models based on the finite-range meson-exchange representation, the relativistic mean-field models with the zero-range contact interaction, namely the relativistic…

核理论 · 物理学 2019-09-04 Bao Yuan Sun , Zhi Wei Liu , Ruo Yu Xing

Large-angle elastic scattering of alpha-particle and strongly-bound light nuclei at a few tens MeV/nucleon has shown the pattern of rainbow scattering. This interesting process was shown to involve a significant overlap of the two colliding…

核理论 · 物理学 2007-05-23 Dao T. Khoa , W. von Oertzen , H. G. Bohlen , H. S. Than

The deviation of the electron density around the nuclei from spherical symmetry determines the electric field gradient (EFG), which can be measured by various types of spectroscopy. Nuclear Quadrupole Resonance (NQR) is particularly…

材料科学 · 物理学 2020-10-27 Kamal Choudhary , Jaafar N. Ansari , Igor I. Mazin , Karen L. Sauer

Machine learning of kinetic energy functionals (KEF), in particular kinetic energy density (KED) functionals, has recently attracted attention as a promising way to construct KEFs for orbital-free density functional theory (OF-DFT). Neural…

材料科学 · 物理学 2025-08-11 Sergei Manzhos , Johann Lüder , Manabu Ihara