Data for paper 'Recrystallization in String-Fluid Complex Plasmas'

This repository contains the simulated data and the experimental data images for the paper 'Recrystallization in String-Fluid Complex Plasmas'. Please cite the paper if you use this data.

The data is formatted into the following columns:

    id - This is the unique identification number for each of the 3430 microparticles

    x, y, z - These are the 3D spatial coordinates [mm]

    vx, vy, vz - These are the 3D velocities [mm/s]

    timestep - This is the frame number of the simulation [1000fps]
    (A timestep of 1000 corresponds to 1s in time elapsed)

The timestep = 0 is defined as the time when the plasma is 'switched off'.
The plasma is turned on again after 300 timesteps.

The simulation was performed using an Epstein damping coefficient corresponding to 11Pa, the Debye length is 190um, and the particle charge is -3481e. The temperature of the particles during the plasma off phase is 1200K and at all other times is 300K. The wake charge is 20% of the particle charge, and two wakes are places +/-55um away from every particle. The size of the simulation box is 4.5mm x 3mm x 3mm, and we have used periodic boundary conditions in all directions.

The experimental data was collected using the Plasmakristall-4 (PK-4) facility onboard the International Space Station. The authors gratefully acknowledge the joint ESA-Roscosmos experiment “Plasmakristall-4” on board the International Space Station. See this paper for more information on PK-4.

The extension to the LAMMPS code that was used to generate the simulated data can be found here.

LAMMPS - a flexible simulation tool for particle-based materials modeling at the atomic, meso, and continuum scales, A. P. Thompson, H. M. Aktulga, R. Berger, D. S. Bolintineanu, W. M. Brown, P. S. Crozier, P. J. in 't Veld, A. Kohlmeyer, S. G. Moore, T. D. Nguyen, R. Shan, M. J. Stevens, J. Tranchida, C. Trott, S. J. Plimpton, Comp Phys Comm, 271 (2022) 10817. See the LAMMPS website for more details.

Contact: eshita.joshi@dlr.de