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Forest fires pose a natural threat with devastating social, environmental, and economic implications. The rapid and highly uncertain rate of spread of wildfires necessitates a trustworthy digital tool capable of providing real-time…

We compare current and forecasted constraints on dynamical dark energy models from Type Ia supernovae and the cosmic microwave background using figures of merit based on the volume of the allowed dark energy parameter space. For a…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-20 Michael J. Mortonson , Dragan Huterer , Wayne Hu

We study the production and evolution of charm and bottom quarks in hot partonic medium produced in heavy ion collisions. The heavy quarks loose energy in the medium which is reflected in the transverse momentum spectra of heavy mesons. The…

High Energy Physics - Phenomenology · Physics 2017-04-05 Kapil Saraswat , Prashant Shukla , Vineet Kumar , Venktesh Singh

This paper presents an extension of the discrete element method using a phase-field formulation to incorporate grain shape and its evolution. The introduction of a phase variable enables an effective representation of grain geometry and…

Materials Science · Physics 2024-04-09 Alexandre Sac-Morane , Manolis Veveakis , Hadrien Rattez

The measurements of baryon acoustic oscillation by the Dark Energy Spectroscopic Instrument Data Release 2 indicate that dark energy may be dynamical with a time-varying equation of state. This has challenged the core assumptions of the…

Cosmology and Nongalactic Astrophysics · Physics 2026-04-28 Peiyuan Xu , Lu Chen , Guohao Li , Yang Han

The deep energy method (DEM) has been used to solve the elastic deformation of structures with linear elasticity, hyperelasticity, and strain-gradient elasticity material models based on the principle of minimum potential energy. In this…

Computational Engineering, Finance, and Science · Computer Science 2023-01-26 Junyan He , Diab Abueidda , Rashid Abu Al-Rub , Seid Koric , Iwona Jasiuk

In the statistical framework of model-independent Gaussian processes (GP), we search for the evidence of dynamical dark energy (DDE) using the "Joint Light-curve Analysis" (JLA) Type Ia supernovae (SNe Ia) sample, the 30 latest cosmic…

Cosmology and Nongalactic Astrophysics · Physics 2019-04-02 Deng Wang , Wei Zhang , Xin-He Meng

We calculate radiative and collisional energy loss of hard partons traversing the quark-gluon plasma created at RHIC and compare the respective size of these contributions. We employ the AMY formalism for radiative energy loss and include…

High Energy Physics - Phenomenology · Physics 2011-07-26 G. Y. Qin , J. Ruppert , C. Gale , S. Jeon , G. D. Moore , M. G. Mustafa

Standard methods for describing the intensity distribution of mechanical and acoustic wave fields in the high frequency asymptotic limit are often based on flow transport equations. Common techniques are statistical energy analysis,…

Chaotic Dynamics · Physics 2012-08-21 D. J. Chappell , S. Giani , G. Tanner

This paper presents a constraint-guided deep learning framework for developing physically consistent health indicators in bearing prognostics and health management. Conventional data-driven methods often lack physical plausibility, while…

Machine Learning · Computer Science 2025-03-13 Yonas Tefera , Quinten Van Baelen , Maarten Meire , Stijn Luca , Peter Karsmakers

We present and employ a new kinematical approach to cosmological `dark energy' studies. We construct models in terms of the dimensionless second and third derivatives of the scale factor a(t) with respect to cosmic time t, namely the…

Astrophysics · Physics 2008-11-26 David Rapetti , Steven W. Allen , Mustafa A. Amin , Roger D. Blandford

In this paper we define distance expanding random dynamical systems. We develop the appropriate thermodynamic formalism of such systems. We obtain in particular the existence and uniqueness of invariant Gibbs states, the appropriate…

Dynamical Systems · Mathematics 2010-12-08 Volker Mayer , Bartlomiej Skorulski , Mariusz Urbański

Dynamical dark energy has been recently suggested as a promising and physical way to solve the 3.4 sigma tension on the value of the Hubble constant $H_0$ between the direct measurement of Riess et al. (2016) (R16, hereafter) and the…

Cosmology and Nongalactic Astrophysics · Physics 2017-07-24 Eleonora Di Valentino , Alessandro Melchiorri , Eric V. Linder , Joseph Silk

In this work, we study the thermodynamic properties of quark-gluon plasma using Kramer's $q-potential$ method. We propose a modification in the first law of thermodynamics by including a temperature-dependent term when single particle…

High Energy Physics - Phenomenology · Physics 2024-09-18 Guruprasad Kadam

How can short-term energy consumption be accurately forecasted when sensor data is noisy, incomplete, and lacks contextual richness? This question guided our participation in the \textit{2025 Competition on Electric Energy Consumption…

Machine Learning · Computer Science 2025-10-21 Sarah Al-Shareeda , Gulcihan Ozdemir , Heung Seok Jeon , Khaleel Ahmad

We study the heavy quark evolution in a quark-gluon plasma medium within the framework of Langevin equation coupled to a (2+1)-dimensional viscous hydrodynamic model. We modify the current Langevin algorithm such that apart from…

Nuclear Theory · Physics 2015-06-11 Shanshan Cao , Guang-You Qin , Steffen A. Bass , Berndt Müller

Results from an energy loss model that includes thermal fluctuations in the energy loss for heavy quarks in a strongly-coupled plasma are shown to be qualitatively consistent with single particle data from both RHIC and LHC. The model used…

High Energy Physics - Phenomenology · Physics 2015-04-22 W. A. Horowitz

We study the evolution and saturation of the gluon distribution function in the quark-gluon plasma as probed by a propagating parton and its effect on the computation of jet quenching or transport parameter $\hat{q}$. For thermal partons,…

High Energy Physics - Phenomenology · Physics 2008-11-26 Jorge Casalderrey-Solana , Xin-Nian Wang

We derive equation describing distribution of energy losses of the particle propagating in fractal medium with quenched and dynamic heterogeneities. We show that in the case of the medium with fractal dimension $2<D<3$ the losses $\Delta$…

Statistical Mechanics · Physics 2015-05-28 Sergey Panyukov , Andrei Leonidov

The computation of radiative energy loss in a dynamically screened QCD medium is a key ingredient for obtaining reliable predictions for jet quenching in ultra-relativistic heavy ion collisions. We calculate, to first order in the opacity,…

Nuclear Theory · Physics 2008-11-26 Magdalena Djordjevic , Ulrich Heinz