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In the context of the energy transition, with increasing integration of renewable sources and cross-border electricity exchanges, power grids are encountering greater uncertainty and operational risk. Maintaining grid stability under…

Machine Learning · Computer Science 2025-09-24 Milad Leyli-abadi , Antoine Marot , Jérôme Picault

This paper is the first work to redesign a spherical ICF implosion to best utilize the benefits of applying an external magnetic field. The sub-ignition experiment N170601 is taken as the baseline design, which used 1.57MJ of laser energy.…

We report on the status of ongoing Hybrid-Monte-Carlo simulations of the tight-binding model of mono-layer graphene. We present results concerning the semimetal-insulator phase transition, whereby two-body interactions are modeled by a…

High Energy Physics - Lattice · Physics 2014-10-29 Dominik Smith , Michael Körner , Lorenz von Smekal

Regarding the plasma facing components (PFCs) in nuclear fusion, liquid metal PFCs with stable free surface flow on PFC surface are considered a promising alternative. However, due to the poor wettability of liquid metal on most solid…

Fluid Dynamics · Physics 2025-05-14 Yi-Jun Wang , Kai-Lun Li , Rui-Zhi Chen , Yue-Bin Hu , Juan-Cheng Yang , Ming-Jiu Ni , Zhao-Hui Yao

We have reconsidered the problem of spin injection across ferromagnet/non-magnetic-semiconductor (FM/NMS) and dilute-magnetic-semiconductor/non-magnetic-semiconductor interfaces, for structures with \textit{finite} magnetic layers (FM or…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Alexander Khaetskii , J. Carlos Egues , Daniel Loss , Charles Gould , Georg Schmidt , Laurens W. Molenkamp

Magnetic levitation is about to revolutionize in-machine material flow in industrial automation. Such systems are flexibly configurable and can include a large number of independently actuated shuttles (movers) that dynamically rebalance…

Robotics · Computer Science 2025-11-21 Lara Bergmann , Cedric Grothues , Klaus Neumann

Mathematical modeling of lithium-ion batteries (LiBs) is a central challenge in advanced battery management. This paper presents a new approach to integrate a physics-based model with machine learning to achieve high-precision modeling for…

Systems and Control · Electrical Eng. & Systems 2021-07-26 Hao Tu , Scott Moura , Huazhen Fang

We introduce a new physical recipe into the De Lucia and Blaizot version of the Munich semi-analytic model built upon the Millennium dark matter simulation: the tidal stripping of stellar material from satellite galaxies during mergers. To…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-20 Bruno M. B. Henriques , Peter A. Thomas

The use of magnetic fields to improve the performance of hohlraum-driven implosions on the National Ignition Facility (NIF) is discussed. The focus is on magnetically insulated inertial confinement fusion (ICF), where the primary field…

We investigate magnon magnon hybrid states using a non Hermitian two band Hamiltonian and the concept of wavefunction hybridization. By comparing our model with micromagnetic simulations conducted on a synthetic antiferromagnet with strong…

Mesoscale and Nanoscale Physics · Physics 2023-08-29 Bo Hu , Zong-Kai Xie , Jie Lu , Wei He

In this paper, we propose a hybrid learning framework that combines federated and split learning, termed semi-federated learning (SemiFL), in which over-the-air computation is utilized for gradient aggregation. A key idea is to…

Signal Processing · Electrical Eng. & Systems 2026-02-26 Jingheng Zheng , Hui Tian , Wanli Ni , Yang Tian , Ping Zhang

In this review paper on heavy ion inertial fusion (HIF), the state-of-the-art scientific results are presented and discussed on the HIF physics, including physics of the heavy ion beam (HIB) transport in a fusion reactor, the HIBs-ion…

Plasma Physics · Physics 2020-09-07 S. Kawata , T. Karino , A. I. Ogoyski

We consider quasi-two-dimensional gas of electrons in a typical Si-MOSFET, assuming repulsive contact interaction between electrons. Magnetisation and susceptibility are evaluated within the mean-field approach. Finite thickness of the…

Mesoscale and Nanoscale Physics · Physics 2017-06-28 D. I. Golosov

A minimal model for magnetic reconnection and, generally, low-frequency dynamics in low-beta plasmas is proposed. The model combines analytical and computational simplicity with physical realizability: it is a rigorous limit of gyrokinetics…

Plasma Physics · Physics 2011-10-25 Alessandro Zocco , Alexander Schekochihin

Common models describing magnetotransport properties of periodically modulated two--dimensional systems often either directly start from a semiclassical approach or give results well conceivable within the semiclassical framework. Recently,…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Karel Vyborny , Ludvik Smrcka

Universal Machine Learning Interactomic Potentials (MLIPs) enable accelerated simulations for materials discovery. However, current research efforts fail to impactfully utilize MLIPs due to: 1. Overreliance on Density Functional Theory…

Materials Science · Physics 2025-02-07 Santiago Miret , Kin Long Kelvin Lee , Carmelo Gonzales , Sajid Mannan , N. M. Anoop Krishnan

We implement a sample-efficient method for rapid and accurate emulation of semi-analytical galaxy formation models over a wide range of model outputs. We use ensembled deep learning algorithms to produce a fast emulator of an updated…

Astrophysics of Galaxies · Physics 2021-07-14 Edward J. Elliott , Carlton M. Baugh , Cedric G. Lacey

In the design phase of an electrical machine, finite element (FE) simulation are commonly used to numerically optimize the performance. The output of the magneto-static FE simulation characterizes the electromagnetic behavior of the…

Machine Learning · Computer Science 2022-11-01 Vivek Parekh , Dominik Flore , Sebastian Schöps

We present a dynamical model that successfully explains the observed time evolution of the magnetization in diluted magnetic semiconductor quantum wells after weak laser excitation. Based on the pseudo-fermion formalism and a second order…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 O. Morandi , P. -A. Hervieux , G. Manfredi

We investigate the structural and dynamical properties of binary aluminum-titanium liquid metallic alloys, as a function of temperature and composition. We make use of MD-simulations, using a transferable machine-learning potential…