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Electronic Energy Transfer (EET) between chromophores is fundamental in many natural light-harvesting complexes, serving as a critical step for solar energy funneling in photosynthetic plants and bacteria. The complicated role of the…

化学物理 · 物理学 2024-02-05 Colin Coane , Marco Romanelli , Giulia Dall'Osto , Rosa Di Felice , Stefano Corni

We apply an empirical, data-driven approach for describing crop yield as a function of monthly temperature and precipitation by employing generative probabilistic models with parameters determined through Bayesian inference. Our approach is…

Parametric down-conversion is a widely used source of nonclassical light in quantum optics and photonic quantum technologies. While stimulated parametric down-conversion with strong classical seeds is well studied, the regime in which…

In this work, we study the effect of strong magnetic fields on the equation of state (EoS) of warm, homogeneous, Neutron Star (NS) matter in beta equilibrium. NS matter is described within a relativistic mean field (RMF) approximation,…

核理论 · 物理学 2024-07-04 Luigi Scurto , Valéria Carvalho , Helena Pais , Constança Providência

This paper studies the influence of electric fields on the skyrmion lattice (SkL) in insulating skyrmion compounds with weak magnetoelectric (ME) coupling. The ME coupling mechanism is an interaction between the external electric field $E$…

其他凝聚态物理 · 物理学 2017-03-01 Alex J. Kruchkov , Henrik M. Rønnow

Solar flares create adverse space weather impacting space and Earth-based technologies. However, the difficulty of forecasting flares, and by extension severe space weather, is accentuated by the lack of any unique flare trigger or a single…

The distribution and evolution of photospheric magnetic field in sunspots, plages and network, and variations in their relative flux content, play key roles in radial velocity (RV) fluctuations observed in Sun-as-a-star spectra.…

太阳与恒星天体物理 · 物理学 2023-09-12 Anisha Sen , S. P. Rajaguru

We study the evolution of magnetic fields generated by charge segregation ahead of ionization fronts during the Epoch of Reionization, and their effects on galaxy formation. We compare this magnetic seeding process with the Biermann…

星系天体物理 · 物理学 2021-01-27 Enrico Garaldi , Rüdiger Pakmor , Volker Springel

We use the linear sigma model with quarks to study the magnetic-field-induced modifications on the longitudinal screening mass for the neutral pion at one-loop level. The effects of the magnetic field are introduced into the self-energy,…

Overcoming the strong chlorophyll background poses a significant challenge for measuring and optimizing plant growth. This research investigates the novel application of specialized quantum light emitters introduced into intact leaves of…

As a relatively active region, ephemeral region (ER) exhibits highly complex pattern of magnetic flux emergence. We aim to study detailed secondary flux emergences (SFEs) which we define as bipoles that they appear close to ERs and finally…

太阳与恒星天体物理 · 物理学 2024-12-25 Hanlin Yang , Chunlan Jin , Zifan Wang , Jingxiu Wang

The impact of an applied electric field on the exchange coupling parameters has been investigated based on first-principles electronic structure calculations by means of the KKR Green function method. The calculations have been performed…

材料科学 · 物理学 2021-12-15 S. Mankovsky , E. Simon , S. Polesya , A. Marmodoro , H. Ebert

We consider the electromagnetic form factors ratio in the Rosenbluth and polarization methods. We explore the impact of adding new particles as the mediators in the electron-proton scattering on these ratios. Consequently, we find some…

高能物理 - 唯象学 · 物理学 2026-03-31 A. Rafiei , M. Haghighat

Random Forest (RF) and Gradient Boosting Regression Trees (GBRT) regression models along with three cheminformatics data sets (RDkit, Mordred, Morgan) have been used to predict the power conversion efficiency (PCE) of organic solar cells…

计算物理 · 物理学 2024-11-14 Omar A. Alvarez-Gonzaga , Ulises A. Vergara-Beltran , Juan I. Rodriguez

This paper examines the generation of seed magnetic fields due to the growth of cosmological perturbations. In the radiation era, different rates of scattering from photons induce local differences in the ion and electron density and…

天体物理学 · 物理学 2008-11-26 E. R. Siegel , J. N. Fry

Fast electron beams (FEBs) are common products of solar active phenomena. Solar radio bursts are an important diagnostic tool in the understanding of FEBs as well as the solar plasma environment in which they are propagating along solar…

太阳与恒星天体物理 · 物理学 2016-05-25 J. F. Tang , D. J. Wu , L. Chen , G. Q. Zhao , C. M. Tan

We present the initial results of the Large Impact of magnetic Fields on the Evolution of hot stars (LIFE) project. The focus of this project is the search for magnetic fields in evolved OBA giants and supergiants with visual magnitudes…

太阳与恒星天体物理 · 物理学 2018-02-07 A. J. Martin , C. Neiner , M. E. Oksala , G. A. Wade , Z. Keszthelyi , L. Fossati , W. Marcolino , S. Mathis , C. Georgy

Influence maximization (IM) has been extensively studied for better viral marketing. However, previous works put less emphasis on how balancedly the audience are affected across different communities and how diversely the seed nodes are…

社会与信息网络 · 计算机科学 2020-03-31 Yu Zhang

The Stokes profiles of Fe I lines in the photosphere of the Sun are calculated within the Unno-Beckers-Landi-Dagl`Innocenti theory. Estimates of the magnetic strengthening of the lines were obtained. The changes in the Stokes profiles…

太阳与恒星天体物理 · 物理学 2022-03-15 V. A. Sheminova

We search for an amplification mechanism of the seed cosmic magnetic induction by studying a new version of the Dirac's aether in a curved cosmological background. We find that an amplification takes place if the scale factor R(t) varies…

天体物理学 · 物理学 2007-05-23 Marcelo Carvalho , A. L. Oliveira , C. R. Rabaca
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