326 citations · 1.2k across the 35 of their papers we have counts for
39 papers
A modern particle-in-cell code for beam-beam simulations of future colliders
Arianna Formenti, Remi Lehe, Axel Huebl +10
A key challenge in the design of next-generation colliders is predicting the effects of beam-beam interactions and using these predictions to optimize machine performance. Beam-bea…
Macroparticles with different weights relax to different temperatures in Particle-In-Cell simulations
Remi Lehe, Arianna Formenti, Justin R. Angus +1
A distinctive feature of Particle-In-Cell (PIC) simulations is the use of macroparticles, each representing many physical particles. The associated macroparticle weight can vary fr…
The Memory Scaling of Reverse-Mode Differentiation in Particle Accelerator Simulations with Space Charge
Arjun Dhamrait, Edoardo Zoni, Axel Huebl +7
The recent development of differentiable simulation codes for particle accelerators has enabled gradient-based workflows that promise finer control and more realistic modeling of a…
Design Initiative for a 10 TeV pCM Wakefield Collider
Spencer Gessner, Jens Osterhoff, Carl A. Lindstrøm +198
This document outlines a community-driven Design Study for a 10 TeV pCM Wakefield Accelerator Collider. The 2020 ESPP Report emphasized the need for Advanced Accelerator R\&D, and…
Energy-Preserving Coupling of Explicit Particle-In-Cell with Monte Carlo Collisions
Jean-Luc Vay, Justin Ray Angus, Olga Shapoval +3
The Particle-In-Cell (PIC) and Monte Carlo Collisions (MCC) methods are workhorses of many numerical simulations of physical systems. Recently, it was pointed out that, while the t…
Comparison of WarpX and GUINEA-PIG for electron positron collisions
Bao Nguyen, Arianna Formenti, Remi Lehe +3
As part of the Snowmass'21 planning exercise, the Advanced Accelerator Concepts community proposed developing multi-TeV linear colliders and considered beam-beam effects for these…
LASY: LAser manipulations made eaSY
Maxence Thévenet, Igor A. Andriyash, Luca Fedeli +8
Using realistic laser profiles for simulations of laser-plasma interaction is critical to reproduce experimental measurements, but the interface between experiments and simulations…
Synthesizing Particle-in-Cell Simulations Through Learning and GPU Computing for Hybrid Particle Accelerator Beamlines
Ryan T. Sandberg, Remi Lehe, Chad E. Mitchell +5
Particle accelerator modeling is an important field of research and development, essential to investigating, designing and operating some of the most complex scientific devices eve…
PIC-JRm: a pseudo-spectral Particle-In-Cell formulation with arbitrary charge and current densities time dependencies for the modeling of relativistic plasmas
Olga Shapoval, Edoardo Zoni, Remi Lehe +2
This paper introduces a novel formulation of the Particle-In-Cell (PIC) method for the modeling of relativistic plasmas, which leverages the ability of the Pseudo-Spectral Analytic…
Beam Delivery and Beamstrahlung Considerations for Ultra-High Energy Linear Colliders
Tim Barklow, Spencer Gessner, Mark Hogan +27
As part of the Snowmass'21 community planning excercise, the Advanced Accelerator Concepts (AAC) community proposed future linear colliders with center-of-mass energies up to 15 Te…
Particle-in-Cell Simulations of Relativistic Magnetic Reconnection with Advanced Maxwell Solver Algorithms
Hannah Klion, Revathi Jambunathan, Michael E. Rowan +7
Relativistic magnetic reconnection is a non-ideal plasma process that is a source of non-thermal particle acceleration in many high-energy astrophysical systems. Particle-in-cell (…
From Compact Plasma Particle Sources to Advanced Accelerators with Modeling at Exascale
Axel Huebl, Remi Lehe, Edoardo Zoni +21
Developing complex, reliable advanced accelerators requires a coordinated, extensible, and comprehensive approach in modeling, from source to the end of beam lifetime. We present h…
Bayesian optimization of laser-plasma accelerators assisted by reduced physical models
A. Ferran Pousa, S. Jalas, M. Kirchen +7
Particle-in-cell simulations are among the most essential tools for the modeling and optimization of laser-plasma accelerators, since they reproduce the physics from first principl…
Report of Snowmass 21 Accelerator Frontier Topical Group 6 on Advanced Accelerators
C. Geddes, M. Hogan, P. Musumeci +1
The Snowmass 2021 Accelerator Frontier topical group \# 6 on Advanced Accelerator Concepts, covers new R\&D concepts for particle acceleration, generation, and focusing. Based on c…
Next Generation Computational Tools for the Modeling and Design of Particle Accelerators at Exascale
Axel Huebl, Remi Lehe, Chad E. Mitchell +4
Particle accelerators are among the largest, most complex devices. To meet the challenges of increasing energy, intensity, accuracy, compactness, complexity and efficiency, increas…
Linear colliders based on laser-plasma accelerators
C. Benedetti, S. S. Bulanov, E. Esarey +40
White paper to the Proceedings of the U.S. Particle Physics Community Planning Exercise (Snowmass 2021): Linear colliders based on laser-plasma accelerators
Snowmass21 Accelerator Modeling Community White Paper
S. Biedron, L. Brouwer, D. L. Bruhwiler +24
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 model…
Absorption of charged particles in Perfectly-Matched-Layers by optimal damping of the deposited current
Remi Lehe, Aurore Blelly, Lorenzo Giacomel +2
Perfectly-Matched Layers (PML) are widely used in Particle-In-Cell simulations, in order to absorb electromagnetic waves that propagate out of the simulation domain. However, when…
HiPACE++: a portable, 3D quasi-static Particle-in-Cell code
Severin Diederichs, Carlo Benedetti, Axel Huebl +6
Modeling plasma accelerators is a computationally challenging task and the quasi-static particle-in-cell algorithm is a method of choice in a wide range of situations. In this work…
Modeling of Advanced Accelerator Concepts
J. -L. Vay, A. Huebl, R. Lehe +6
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 nee…
A Hybrid Nodal-Staggered Pseudo-Spectral Electromagnetic Particle-In-Cell Method with Finite-Order Centering
Edoardo Zoni, Remi Lehe, Olga Shapoval +5
Electromagnetic particle-in-cell (PIC) codes are widely used to perform computer simulations of a variety of physical systems, including fusion plasmas, astrophysical plasmas, plas…
Overcoming timestep limitations in boosted-frame Particle-In-Cell simulations of plasma-based acceleration
Olga Shapoval, Remi Lehe, Maxence Thévenet +3
Explicit electromagnetic Particle-In-Cell (PIC) codes are typically limited by the Courant- Friedrichs-Lewy (CFL) condition, which implies that the timestep multiplied by the speed…
In-Situ Assessment of Device-Side Compute Work for Dynamic Load Balancing in a GPU-Accelerated PIC Code
Michael E. Rowan, Axel Huebl, Kevin N. Gott +4
Maintaining computational load balance is important to the performant behavior of codes which operate under a distributed computing model. This is especially true for GPU architect…
Porting WarpX to GPU-accelerated platforms
A. Myers, A. Almgren, L. D. Amorim +20
WarpX is a general purpose electromagnetic particle-in-cell code that was originally designed to run on many-core CPU architectures. We describe the strategy followed to allow Warp…