All Images

Introduction to WarpX

Figure 1

macroparticles in the cells of a grid
Some macroparticles traveling in space, across the cells of a grid.

Figure 2

pic loop
The loop at the basis of standard PIC codes.

Introduction to ImpactX

Install

Set Up a Simulation from Scratch

A Two-stream Instability

Figure 1

Phase space plot showing the two counter-streaming electron beams forming vortex structures at saturation
Phase space of the two-stream instability at saturation.

Figure 2

Evolution of the field energy.
Evolution of the field energy.

A Weibel Instability

Figure 1

Magnetic field structures induced by the Weibel instability.
Magnetic field structures induced by the Weibel instability.

Figure 2

Evolution of the energy stored in the electric and magnetic fields.
Evolution of the energy stored in the electric and magnetic fields.

A Magnetic Mirror

Figure 1

paraview pipeline

Figure 2

simulation of proton trajectories inside a magnetic mirror
Protons trajectories in a magnetic mirror

A FODO Cell

A Laser-Driven Ion Accelerator

Figure 1

2D map showing the laser electric field interacting with the solid-density target and accelerated protons
Laser interacting with a solid target in a TNSA simulation and accelerating a layer of contaminants.

Figure 2

2D map showing the phase space of the accelerated protons at the end of the simulation
Phase space of the accelerated protons at the end of the simulation.

A Laser Wakefield Accelerator

Figure 1

Central electron-density slices at three times show an electron-depleted cavity and surrounding regions of higher density behind a laser pulse.
Three electron-density slices show the wake evolving behind the laser.

A Beam Transport Line

Figure 1

Horizontal and vertical rms beam sizes versus distance, with screen landmarks identifying focusing, the chicane, and the undulator.
Horizontal and vertical beam sizes along HTU.

A Beam-Beam Collision

Figure 1

snapshot of a beam-beam simulation
A snapshot of a beam-beam simulation.

OSSFE 2025 - Using WarpX, a general purpose particle-in-cell code

Figure 1

macroparticles in the cells of a grid
Some computational particles (a.k.a. macroparticles) traveling in space, across the cells of a grid.

Figure 2

pic loop
The loop at the basis of standard PIC codes.

Figure 3

paraview pipeline

Figure 4

simulation of proton trajectories inside a magnetic mirror
Protons trajectories in a magnetic mirror

UCB 2026 -- Two-Stream Instability Live Tutorial

US-FCC 2026: Beam-Beam and Tracking Tutorial

Figure 1

The crossing angle increases the effective horizontal overlap of the two bunches.
The crossing angle increases the effective horizontal overlap of the two bunches.

Figure 2

Horizontal beta functions from MAD-X, ImpactX, and Xsuite over the first 2 km of the FCC-ee lattice.
Horizontal beta functions from MAD-X, ImpactX, and Xsuite over the first 2 km of the FCC-ee lattice.

Figure 3

Vertical beta functions from MAD-X, ImpactX, and Xsuite over the first 2 km of the FCC-ee lattice.
Vertical beta functions from MAD-X, ImpactX, and Xsuite over the first 2 km of the FCC-ee lattice.

Figure 4

Evolution of normalized beam moments for the arc-only, classical WarpX, and WarpX-with-beamstrahlung runs.
Evolution of normalized beam moments for the arc-only, classical WarpX, and WarpX-with-beamstrahlung runs.

Figure 5

Physical motion of two colliding bunches in the coherent sigma and pi modes at successive collision encounters.
Physical motion of two colliding bunches in the coherent sigma and pi modes at successive collision encounters.

LLNL HPC Innovation Center 2026: WarpX/ImpactX Tutorial

Figure 1

Two electron streams roll into loops in position–momentum space as particles become trapped in a wave.
Example phase space from the related two-stream lesson.