An improved control-variate scheme for particle-in-cell simulations with collisions. - Ralf Kleiber; Roman Hatzky; Axel Könies; K. Kauffmann; P. Helander (Comput. Phys. Commun., 2011)

Improvements of the particle-in-cell code EUTERPE for petascaling machines. - Xavier Saez; Alejandro Soba; Edilberto Sanchez; Ralf Kleiber; Francisco Castejón; José M. Cela (Comput. Phys. Commun., 2011)

A partly matrix-free solver for the gyrokinetic field equation in three-dimensional geometry. - Ralf Kleiber; Roman Hatzky (Comput. Phys. Commun., 2012)

A fast solver for the gyrokinetic field equation with adiabatic electrons. - Matthias Borchardt; Ralf Kleiber; Wolfgang Hackbusch (J. Comput. Phys., 2012)

A split control variate scheme for PIC simulations with collisions. - Eric Sonnendrücker; Abigail Wacher; Roman Hatzky; Ralf Kleiber (J. Comput. Phys., 2015)

Combining electromagnetic gyro-kinetic particle-in-cell simulations with collisions. - Christoph Slaby; Ralf Kleiber; Axel Könies (Comput. Phys. Commun., 2017)

Pullback scheme implementation in ORB5. - Alexey Mishchenko; Alberto Bottino; Alessandro Biancalani; Roman Hatzky; Thomas Hayward-Schneider; Noé Ohana; Emmanuel Lanti; Stephan Brunner; Laurent Villard; Matthias Borchardt; Ralf Kleiber; Axel Könies (Comput. Phys. Commun., 2019)

EUTERPE: A global gyrokinetic code for stellarator geometry. - Ralf Kleiber; Matthias Borchardt; Roman Hatzky; Axel Könies; Henry Leyh; Alexey Mishchenko; Jörg Riemann; Christoph Slaby; J. M. García-Regaña; Edilberto Sanchez; M. Cole (Comput. Phys. Commun., 2024)