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Turning the current experimental plasma accelerator state-of-the-art from a promising technology into mainstream scientific tools depends critically on high-performance, high-fidelity modeling of complex processes that develop over a wide…

Accelerator Physics · Physics 2018-12-26 J. -L. Vay , A. Almgren , J. Bell , L. Ge , D. P. Grote , M. Hogan , O. Kononenko , R. Lehe , A. Myers , C. Ng , J. Park , R. Ryne , O. Shapoval , M. Thevenet , W. Zhang

Particle accelerators are among the largest, most complex devices. To meet the challenges of increasing energy, intensity, accuracy, compactness, complexity and efficiency, increasingly sophisticated computational tools are required for…

Accelerator Physics · Physics 2023-01-13 Axel Huebl , Remi Lehe , Chad E. Mitchell , Ji Qiang , Robert D. Ryne , Ryan T. Sandberg , Jean-Luc Vay

Developing and redesigning astrophysical, cosmological, and space plasma numerical codes for existing and next-generation accelerators is critical for enabling large-scale simulations. To address these challenges, the SPACE Center of…

After a summary of relevant comments and recommendations from various reports over the last ten years, this paper examines the modeling needs in accelerator physics, from the modeling of single beams and individual accelerator elements, to…

The Exascale Computing Project (ECP) is invested in co-design to assure that key applications are ready for exascale computing. Within ECP, the Co-design Center for Particle Applications (CoPA) is addressing challenges faced by…

Computer modeling is essential to research on Advanced Accelerator Concepts (AAC), as well as to their design and operation. This paper summarizes the current status and future needs of AAC systems and reports on several key aspects of (i)…

Accelerator Physics · Physics 2021-10-27 J. -L. Vay , A. Huebl , R. Lehe , N. M. Cook , R. J. England , U. Niedermayer , P. Piot , F. Tsung , D. Winklehner

High-brightness beams generated by particle sources based on advanced accelerator concepts have the potential to become an essential part of future accelerator technology. High-gradient accelerators can generate and rapidly accelerate…

In physics research particle accelerators are highly valued, and extraordinarily expensive, technical instruments. The high cost of particle accelerators results from the immense lengths required to accelerate particles to high energies,…

Accelerator Physics · Physics 2022-10-26 Elisa Rheaume , Lorenzo Giacomel , Jean-Luc Vay , Axel Huebl

In this dissertation, a fully object-oriented, fully relativistic, multi-dimensional Particle-In-Cell code was developed and applied to answer key questions in plasma-based accelerator research. The simulations increase the understanding of…

Computational Physics · Physics 2015-03-03 Roy G. Hemker

We present exa-AMD, an open-source, high-performance framework designed for accelerated materials discovery on modern supercomputers. exa-AMD overcomes key computational bottlenecks in large-scale structure prediction through task-based…

Materials Science · Physics 2025-12-11 Weiyi Xia , Maxim Moraru , Ying Wai Li , Cai-Zhuang Wang

The acceleration gradients generated in a laser- or beam-driven plasma wakefield accelerator are typically three orders of magnitude greater than those produced by a conventional accelerator, and hence plasma accelerators can open a route…

Laser plasma accelerators have the potential to reduce the size of future linacs for high energy physics by more than an order of magnitude, due to their high gradient. Research is in progress at current facilities, including the BELLA…

Accelerator Physics · Physics 2013-10-01 C. G. R. Geddes , J. -L. Vay , C. B. Schroeder , E. Esarey , W. P. Leemans

The ever increasing demands placed upon machine performance have resulted in the need for more comprehensive particle accelerator modeling. Computer simulations are key to the success of particle accelerators. Many aspects of particle…

Supercomputers become faster as hardware and software technologies continue to evolve. Current supercomputers are capable of 1015 floating point operations per second (FLOPS) that called Petascale system. The High Performance Computer (HPC)…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-09-27 Jalal Abdulbaqi

One of the most robust methods, demonstrated up to date, of accelerating electron beams by laser-plasma sources is the utilization of plasma channels generated by the capillary discharges. These channels, i.e., plasma columns with a minimum…

GROMACS is a widely used package for biomolecular simulation, and over the last two decades it has evolved from small-scale efficiency to advanced heterogeneous acceleration and multi-level parallelism targeting some of the largest…

Computational Engineering, Finance, and Science · Computer Science 2015-06-03 Páll Szilárd , Mark James Abraham , Carsten Kutzner , Berk Hess , Erik Lindahl

Design space exploration (DSE) is critical for developing optimized hardware architectures, especially for AI workloads such as deep neural networks (DNNs) and large language models (LLMs), which require specialized acceleration. As model…

Hardware Architecture · Computer Science 2025-08-15 Arkapravo Ghosh , Abhishek Moitra , Abhiroop Bhattacharjee , Ruokai Yin , Priyadarshini Panda

Despite the increasing adoption of Field-Programmable Gate Arrays (FPGAs) in compute clouds, there remains a significant gap in programming tools and abstractions which can leverage network-connected, cloud-scale, multi-die FPGAs to…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-02-05 Neha Prakriya , Yuze Chi , Suhail Basalama , Linghao Song , Jason Cong

We present the standard electromagnetic Particle-in-Cell method, starting from the discrete approximation of derivatives on a uniform grid. The application to second-order, centered, finite-difference discretization of the equations of…

Computational Physics · Physics 2020-08-18 J. L. Vay

Exascale computers will offer transformative capabilities to combine data-driven and learning-based approaches with traditional simulation applications to accelerate scientific discovery and insight. These software combinations and…

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