Berkeley Lab

2018 Publications

Accelerator Physics for the Advanced Light Source; Advanced Photoinjector Experiment; and Free-Electron Laser Programs

S.C. Leemann, M. Sjöström, Å. Andersson (MAX-Lab), “First optics and beam dynamics studies on the MAX IV 3 GeV storage ring,” Nucl. Instrum. Meth. A 883, 33-47 (2018),
Based on work performed at ATAP staff member’s previous institution

S.C. Leemann, W.A. Wurtz, “Pushing the MAX IV 3 GeV storage ring brightness and coherence towards the limit of its magnetic lattice,” Nucl. Instrum. Meth. A 884, 92-96 (2018),
Based on work performed at ATAP staff member’s previous institution

T. Olsson, S.C. Leemann, G. Georgiev, G. Paraskaki, “Pseudo-single-bunch mode for a 100 MHz storage ring serving soft X-ray timing experiments”, Nucl. Instrum. Meth. A 894 (June 2018, online April 2018), pp. 145-156,

Based on work performed at ATAP staff member’s previous institution

Accelerator Modeling Program

Kilean Hwang, Ji Qiang, “Advances in numerical methods under wiggler period averaging for free electron laser simulation,” Physical Review Accelerators and Beams 21, 120702 (7 December 2018),

Ji Qiang, “Mitigation of envelope instability through fast acceleration in linear accelerators,”
Physical Review Accelerators and Beams 21, 114201 (26 November 2018),

J. Gu, S. Klasky, N. Podhorszki (ORNL); J. Qiang, K. Wu (LBNL), “Querying Large Scientific Data Sets with Adaptable IO System ADIOS,” in refereed Proceedings of Supercomputing Frontiers: 4th Asian Conference, SCFA 2018 (Singapore, March 26-29, 2018), pp. 51-69,

P. Lee, T.L. Audet (CNRS); R. Lehe, J.-L. Vay (LBNL); G. Maynard, B. Cros (CNRS), "Investigation of the dynamics of ionization induced injected electrons under the influence of beam loading effects," Nucl. Instrum. Meth. A, in press (available online 6 February 2018),

Ian T. Lim, Scott A. Lambert (Stanford University); Jean-Luc Vay (LBNL); and Jared W. Schwede (LBNL and Spark Thermionics, Inc.), “Electron reflection in thermionic energy converters,” Applied Physics Letters 112, 7 (February 2018),

Zhicong Liu (IHEP, LBNL, and University of Chinese Academy of Sciences) and Ji Qiang (LBNL), “Symplectic multi-particle tracking on GPUs,” Computer Physics Communications, in press (available online 12 February 2018),

C. Mitchell, “Investigating Nonlinear Integrable Optics with Space Charge in IOTA Using IMPACT-Z,” invited talk, Fermilab Workshop on Megawatt Rings & IOTA/FAST Collaboration Meeting, Batavia, IL, May 7-10, 2018.
Invited talk at event without Proceedings

J. Qiang, “Symplectic particle-in-cell model for space-charge beam dynamics simulation,” Phys. Rev. Accel. Beams 21, 054201 (May 2018),

J. Qiang, “Three-dimensional envelope instability in periodic focusing channels,” Phys. Rev. Accel. Beams 21, 034201 (20 March 2018),

J. Qiang, S. Paret, A. Ratti (LBNL); J. Barranco, T. Pieloni (EPF, Lausanne, Switzerland); G. Arduini, X. Buffat, Y. Papaphilippou (CERN), “Simulation of beam–beam interaction with crab cavities for LHC upgrade,” Nucl. Instrum. Meth. A 900, p. 53 (2018),

Olga Shapoval, Jean-Luc Vay (LBNL); Henri Vincenti (CNRS), “Two-step perfectly matched layer for arbitrary-order pseudo-spectral analytical time-domain methods”, Computer Physics Communications 235 (February 2019; online 1 October 2018), pp. 102-110,

J.-L. Vay, “Application of the Berkeley Lab Accelerator Simulation Toolkit to the Modeling of Plasma Accelerator Experiments”, ATS Seminar ( CERN, Geneva, Switzerland, June 1st, 2018).
Talk at event without Proceedings

J.-L. Vay, “HPC Examples – WarpX”, DOE HEP Inventory of Computing Needs, Bethesda, MD, May 7-8, 2018 (presented remotely).
Talk at event without Proceedings

J.-L. Vay, “Progress with 3D modeling of beam dynamics in presence of electron cloud,” ECLOUD’18 (Isola d’Elba, Italy, June 3-7, 2018).
Talk at event without Proceedings

J.-L. Vay, A. Almgren, J. Bell (LBNL); L. Ge (SLAC); D.P. Grote (LLNL); M. Hogan, O. Kononenko (SLAC); R. Lehe, A. Myers (LBNL); C. Ng (SLAC); J .Park, R. Ryne. O. Shapoval, M. Thévenet, W. Zhang (LBNL), “Warp-X: A new exascale computing platform for beam–plasma simulations,” Nucl. Instrum. Meth. A, in press (available online 31 January 2018),

H. Vincenti and J.-L. Vay, “Ultrahigh-order Maxwell solver with extreme scalability for electromagnetic PIC simulations of plasmas”, Computer Physics Communications 228, 22-29 (July 2018),

In unrefereed Proceedings of the 2018 International Computational Accelerator Physics Conference (Key West, Florida, US, Oct. 20-24, 2018), to be published on JACoW.

N.M. Cooky, J.P. Edelen, C.C. Hall, M. Keilman, P. Moeller, R. Nagler, J.-L. Vay, “High-fidelity three-dimensional simulations of thermionic energy converters.”

R. Lehe, “Review of spectral Maxwell solvers for electromagnetic Particle-In-Cell: algorithms and advantages (invited).

C. Mitchell and J. Qiang, “Analysis of Emittance Growth in a Gridless Spectral Poisson Solver for Fully Symplectic Multiparticle Tracking.”

Ji Qiang, “Advances in simulation of high brightness/high intensity beams”

R.D. Ryne, “Computational Accelerator Physics: On the Road to Exascale” (invited plenary).

J.-L. Vay et al., “Toward Plasma Wakefield Simulations at Exascale.”

In unrefereed Proceedings of the 2018 Advanced Accelerator Concepts Workshop (Breckenridge, CO, Aug. 12-17, 2018), to be published in AIP Conference Proceedings.

R. Lehe, W. An, “Summary report of working group 2: Computations for Accelerator Physics.”

J.-L. Vay, A. Almgren, J. Bell, R. Lehe, A. Myers, J. Park, O. Shapoval, M. Thévenet, W. Zhang, D. P. Grote, M. Hogan, L. Ge, C. Ng, “Toward Plasma Wakefield Simulations at Exascale.”

At “Numerical Methods for Analysis, Design, and Modelling of Particle Accelerators,” Nov. 2018 CERN Accelerator School:
J. Qiang, “Monte Carlo Simulation Techniques.”
J. Qiang, “Multi-Particle Simulation Techniques.”

In unrefereed Proceedings of the 2018 International Particle Accelerator Conference (April 29-May 4, Vancouver, British Columbia, Canada), published on JACoW, 9 October 2018.

Yun Luo, Gabriele Bassi, Michael Blaskiewicz, Wolfram Fischer, Yue Hao, Christoph Montag, Vadim Ptitsyn, Victor Smaluk, Ferdinand J. Willeke, Ji Qiang, “Study of Crabbed Collision in eRHIC With a Combination of Strong-Strong and Weak-Strong Simulations,” MOPMF012.

Yue Hao, Yun Luo, Vadim Ptitsyn, Ji Qiang, “Study Progress of the Coupling Resonance of the Crab Crossing Scheme in Electron-Ion Collider,” MOPMK010.

C. Mitchell and J. Qiang, “Numerical Tools for Modeling Nonlinear Integrable Optics in IOTA with Intense Space Charge Using the Code IMPACT-Z,” THPAK035.

C.E. Mitchell, R.D. Ryne, and F.H. O’Shea, “Accurate Modeling of Fringe Field Effects on Nonlinear Integrable Optics in IOTA,” THPAK036.

Yue Tao, Kilean Hwang, Ji Qiang, “Errors Study of a Double-Pass Recirculating Superconducting Proton Linac,” TUPAL031.

Yue Tao, Ji Qiang, “A Variable Field Phase-Shifter for Recirculating Proton Linacs,” TUPAL032.

Ji Qiang, “Bunched Beam Envelope Instability in a Periodic Focusing Channel,” THPAK040.

Ji Qiang, “On Long-Term Space-Charge Tracking Simulation,” THPAK042.

Zhicong Liu, Ji Qiang, “Performance Optimization of a Beam Dynamics PIC Code On Hybrid Computer Architectures,” THPAK043.

Robert Ryne, Chad Eugene Mitchell, Ji Qiang, Bruce Carlsten, “Self-Consistent Modeling using a Lienard-Wiechert Particle-Mesh Method,” in THPAK044.

Kei Fukushima, Michael Davidsaver, Zhengqi He, Masanori Ikegami, Guobao Shen, Takashi Yoshimoto, Tong Zhang, Ji Qiang, “Simulation Code Design for the Interpreted Language Using the Compiled Module,” THPAK049.

Matthew J Easton, Haipeng Li, Yuanrong Lu, Zhi Wang, Ji Qiang, “Simulation of Particle Interactions in a High Intensity Radio-Frequency Quadrupole for Molecular Hydrogen Ions,” THPAK075.

Haipeng Li, Matthew J Easton, Yuanrong Lu, Zhi Wang, Ji Qiang, “Development and Benchmarking of the IMPACT-T Code,” THPAK076.

Biaobin Li, Ji Qiang, “Suppression of Microbunching Instability Using a Quadrupole Inserted Chicane in Free-Electron-Laser Linacs,” THPMF082.

Kilean Hwang, Ji Qiang, “Numerical Shot Noise Modeling and Particle Migration Scheme,” THPMF084.

Ji Qiang, Scott D. Anderson, David Dowell, Paul J. Emma, John Schmerge, Mark Woodley, Feng Zhou, “Beam Dynamics Simulation of the Solenoid Sextupole Error in the LCLS-II Injector,” THPMF085.

Kilean Hwang, Ji Qiang, “Reliability Improvement on Wiggler Period Averaging Approximation,” THPMF086.

At Workshop on High Performance Computing for Plasma Applications at the 71st Annual Gaseous Electronics Conference
J.-L. Vay, “HPC modeling of laser plasma interactions.”

BELLA Center

T.J. Mehrling (DESY and LBNL); C. Benedetti, C.B. Schroeder (LBNL); A. Martinez de la Ossa (Institut für Experimentalphysik, Universität Hamburg); J. Osterhoff (DESY); E. Esarey and W.P. Leemans (LBNL), “Accurate modeling of the hose instability in plasma wakefield accelerators,” Phys. Plasmas 25, 5 (20 March 2018), 056703;

J. van Tilborg, A.J. Gonsalves, E.H. Esarey, C.B. Schroeder, W.P. Leemans, “Density characterization of discharged gas-filled capillaries through common-path two-color spectral-domain interferometry,” Opt. Lett. 43, pp. 2776-2779 (June 2018),

J. Luo, M. Chen, W.Y. Wu, S.M. Weng (Shanghai Jiao Tong University); Z.M. Sheng (Shanghai Jiao Tong University, University of Strathclyde, and Cockcroft Institute); C.B. Schroeder (LBNL); D.A. Jaroszynski (University of Strathclyde and Cockcroft Institute); E. Esarey, W.P. Leemans (LBNL); W.B. Mori (University of California-Los Angeles); J. Zhang (Shanghai Jiao Tong University), “Multistage Coupling of Laser-Wakefield Accelerators with Curved Plasma Channels,” Phys. Rev. Lett. 120, 154801 (April 2018),

M. Gross, J. Engel, J. Good, H. Huck, I. Isaev, G. Koss, M. Krasilnikov, O. Lishilin, G. Loisch, Y. Renier, T. Rublack, F. Stephan, R. Brinkmann (DESY); A. Martinez de la Ossa (DESY and Universität Hamburg); J. Osterhoff (Univ. Hamburg); D. Malyutin, D. Richter (HZB); T. Mehrling (Univ. Hamburg and Instituto Superior Técnico, Lisbon); M. Khojoyan (CNRS and École Polytechnique); C.B. Schroeder (LBNL); F. Grüner (Univ. Hamburg and Center for Free-Electron Laser Science), “Time-resolved measurements of the self-modulation of an electron bunch in a plasma,” Phys. Rev. Lett. 120, 144802 (April 2018),

S.K. Barber, J. van Tilborg, C.B. Schroeder, R. Lehe, H.-E Tsai (LBNL); K.K. Swanson (LBNL and Univ. of California-Berkeley); S. Steinke, K. Nakamura, C.G.R. Geddes, C. Benedetti, E. Esarey (LBNL); W.P. Leemans (LBNL and UCB), “Parametric emittance measurements of electron beams produced by a laser plasma accelerator,” Plasma Physics and Controlled Fusion 60, 054015 (March 2018),

C. Benedetti, C.B. Schroeder, C.GR. Geddes, E. Esarey, W.P. Leemans, “An accurate and efficient laser-envelope solver for the modeling of laser-plasma accelerators” (invited talk and refereed paper, 44th European Physical Society Conference on Plasma Science, Belfast, 26-30 June 2017), Plasma Physics and Controlled Fusion 60, 1 (2018), 014002.

B. Djordjević, C. Benedetti, C.B. Schroeder, E. Esarey, W.P. Leemans, “Filtering of higher-order laser modes using leaky plasma channels,” Phys. Plasmas 25, 013103 (January 2018),

C.B. Schroeder, C. Benedetti, E. Esarey, M. Chen, W.P. Leemans, “Two-color ionization injection using a plasma beatwave accelerator,” Nucl. Instrum. Methods A (in press, February 2018),

R. Tarkeshian (Univ. Bern and Paul Scherrer Institute); J.-L. Vay, R. Lehe, C.B. Schroeder, E.H. Esarey, T. Feurer, and W.P. Leemans (LBNL), “Transverse space charge field induced plasma dynamics for ultra-intense electron beam characterization,” Phys. Rev. X 8, 021039 (2018),

J. van Tilborg, S.K. Barber, C. Benedetti, C.B. Schroeder, F. Isono, H.-E. Tsai, C.G.R. Geddes, W.P. Leemans, “Comparative study of active plasma lenses in high-quality electron accelerator transport lines,” Phys. Plasmas 25, 5 (13 March 2018), 056702;

Hai-En Tsai (LBNL); Kelly K. Swanson (LBNL and University of California-Berkeley); Sam K. Barber, Remi Lehe, Hann-Shin Mao, Daniel E. Mittelberger, Sven Steinke, Kei Nakamura, Jeroen van Tilborg, Carl Schroeder, Eric Esarey, and Cameron G.R. Geddes (LBNL); W.P. Leemans (LBNL and University of California-Berkeley), “Control of quasi-monoenergetic electron beams from laser-plasma accelerators with adjustable shock density profile,” Physics of Plasmas 25, 043107 (April 2018),

Berkeley Center for Magnet Technology
ATAP Superconducting Magnet Program

S.A. Gourlay, “Superconducting accelerator magnet technology in the 21st century: A new paradigm on the horizon?,” Nucl. Instrum. Meth. A 893 (11 June 2018), pp. 124–137,

Xiaorong Wang, Shlomo Caspi, Daniel R Dietderich, William B Ghiorso, Stephen A Gourlay, Hugh C Higley, Andy Lin, Soren O Prestemon, Danko van der Laan, and Jeremy D Weiss, “A viable dipole magnet concept with REBCO CORC wires and further development needs for high-field magnet applications,” Superconductor Science and Technology 31 (6 March 2018), 045007,

L. Brouwer, D. Arbelaez, B. Auchmann, L. Bortot, E. Stubberud, “User Defined Elements in Ansys™ for 2D Multiphysics Modeling of Superconducting Magnets,” submitted to Superconducting Science and Technology.

Zhang, Kai; Ye, Liyang; Higley, Hugh; Gourlay, Steve; Prestemon, Soren; Shen, Tengming (LBNL); Bosque, Ernesto; Lamar, Charles; Jiang, Jian; Kim, Youngjae; Lu, Jun; Trociewitz, Ulf; Hellstrom, Eric; Larbalestier, David (NHMFL), “Tripled critical current in racetrack coils made of Bi-2212 Rutherford cables with overpressure processing and leakage control,” Superconductor Science and Technology 31, no. 9 (6 September 2018), p. 105009,

Fusion Science & Ion Beam Technology Program

J.J. Pla (University of New South Wales); A. Bienfait (CEA-Saclay); G. Pica (Istituto Italiano di Tecnologia and University of St. Andrews); J. Mansir (University College London); F.A. Mohiyaddin (ORNL); Z. Zeng, Y.M. Niquet (Université Grenoble Alpes); A. Morello (University of New South Wales); T. Schenkel (LBNL); J.J.L. Morton (University College London); and P. Bertet CEA-Saclay), “Strain-Induced Spin-Resonance Shifts in Silicon Devices,” Physical Review Applied 9, 044014 (April 2018),

P.A. Seidl, A. Persaud, W. Ghiorso, Q. Ji, W.L.Waldron, A. Lal, K.B. Vinayakumar, T. Schenkel, “Demonstration of a compact linear accelerator,” in refereeing, Review of Scientific Instruments; submitted version available at

P. A. Seidl, A. Persaud, W. Ghiorso, Q. Ji, W. L. Waldron; A. Lal K. B. Vinayakumar (Cornell University); and T. Schenkel (LBNL), “Source-to-accelerator quadrupole matching section for a compact linear accelerator,” Review of Scientific Instruments 89, 053302 (2018),

Anton D. Stepanov (University of Washington); John J. Barnard, Alex Friedman (Lawrence Livermore National Laboratory); Erik P. Gilson (Princeton Plasma Physics Laboratory); David P. Grote (LLNL); Qing Ji (LBNL); Igor D. Kaganovich (PPPL); Arun Persaud, Peter A. Seidl, Thomas Schenkel (LBNL), “Optimizing beam transport in rapidly compressing beams on the neutralized drift compression experiment-II,” Matter and Radiation at Extremes 3 (February 2018), pp. 78-84,