13th International Workshop on the Mechanisms of Vacuum Arcs  (MeVArc 2026)

from Sunday, 4 October 2026 (18:00) to Friday, 9 October 2026 (12:00)


        : Sessions
    /     : Talks
        : Breaks
4 Oct 2026
5 Oct 2026
6 Oct 2026
7 Oct 2026
8 Oct 2026
9 Oct 2026
AM
08:30
Formalities (until 09:00)
09:00
Opening (until 09:15)
09:15
Invited (until 10:00)
09:15 25 years of breakdown studies at CERN - Walter Wuensch (CERN)  
10:00
Conditioning (until 11:00)
10:00 Updates from CERN's vacuum breakdown laboratory - Victoria Madeleine Bjelland  
10:30 An experiment on the dependence of the High Voltage Breakdown rate on X-ray irradiation - Mr Izan Valencia Ruiz (CERN)  
11:00 --- Coffee break ---
11:30
Conditioning (until 13:00)
11:30 Surface resistivity measurements during conditioning - Mircea-George Coman  
12:00 Does conditioning leave a structural memory? Large-area evidence for the dislocation picture - Yinon Ashkenazy (The Hebrew University of Jerusalem (IL))  
12:30 Connection between high voltage direct current discharges in low pressure gases and regenerative processes related to the ion-electron charge exchange between electrodes subjected to HVDC - Nicola Pilan  
09:00
Field Emission (until 10:30)
09:00 The electrohydrodynamics of positively charged field emitters - Dr Richard G. Forbes (University of Surrey)  
09:30 Beyond Work Function: DFT Analysis of Field Emission from SrVO3 - Dr Jonathan Ludwick (Air Force Research Laboratory/AeroVironment)  
10:00 GETELEC-3.0, A General Numerical Method for Electron Emission - Dr Salvador Barranco Cárceles (Université Claude Bernard Lyon 1)  
10:30 --- Coffee Break ---
11:00
Field Emission (until 12:30)
11:00 Correlation between field emission current and the subsequent lightning impulse withstand breakdown voltage - Dr Erik Taylor (S&C Electric Company)  
11:30 The effect of microstructure of surface on electron emission pattern - Zhenxing Wang  
12:00 In situ field emission characterization of high current cathodes based on single-walled nanotubes papers - Dr Pascal Vincent (université Lyon 1)  
09:00
Arc Physics (until 10:30)
09:00 Analysis of emission spectra of high-current vacuum arcs - Sergey Gortschakow  
09:30 Multispectral Imaging Reveals Multi-Component Transport in Single Cathode Spot Jets of Vacuum Arcs - XU Huikai  
10:00 Multi-Species Cathodic Arc Expansion in Low-Pressure Helium - Brian Bentz (Sandia National Laboratories)  
10:30 --- Coffee Break ---
11:00
Arc Physics (until 13:00)
11:00 Experimental Observation of Cathode Molten Pools Dynamic Behavior in High-Current Vacuum Arcs - Xiaoxi Le (Sichuan University)  
11:30 Spectroscopic Investigation of Metal Vapor Evolution and Reignition in Vacuum Interrupters for Active Current Injection DC Circuit Breakers - Xiyuan Liao  
12:00 Comparative Study on Arc Dynamics and Thermal Recovery of different CuCr Contacts for Vacuum Interrupters - Mr Andreas Lawall (Siemens AG)  
12:30 Phase-resolved In-situ Insight into Vacuum Breakdown in CuCr Contacts - Jianyu Wang  
09:00
Switching (until 11:00)
09:00 Temperature Measurement of CuCr 75/25 Radial Magnetic Field Contacts During High-Current Vacuum Interruption - Deniz Libert (Institut de Recherche Dupuy de Lôme, Laboratoire Plasma et Conversion d'Energie, Schneider Electric)  
09:30 Dependence of AC Spark-Conditioning Effectiveness on Breakdown Current Action Integral in Vacuum under a Quasi-Uniform Electric Field - Yongjia Luo (Sichuan University)  
10:00 Three-dimensional Modeling and Simulation of TMF Vacuum Arcs in AC / DC Interruption Processes - Lijun Wang (Xi'an Jiaotong University)  
10:30 Data Management and Open-Access Publication in Vacuum Circuit Breaker Research - Prof. Michael Kurrat (Institute for High Voltage Technology and Power Systems. Technische Universitaet Braunschweig)  
11:00 --- Coffee Break ---
11:30
RF Breakdown (until 13:00)
11:30 High-Power Test Results for Multiple-Sector X-band Accelerating Structures Fabricated Using Different Materials but Based on the Same Design - Dr Tetsuo Abe (KEK)  
12:00 Basic studies of titanium and molybdenum high-field electrodes for high-brightness electron guns - Dr Kazuaki Togawa (RIKEN SPring-8 Center)  
12:30 RFQ Cavity Design for Vacuum Breakdown Studies - shilong gao (Institute of Modern Physics, Chinese Academy of Sciences)  
07:00 --- Breakfast ---
08:30
Formalities (until 11:00)
PM
18:00
Formalities (until 19:30)
13:00 --- Lunch ---
14:30
Initiation (until 15:30)
14:30 Anode-Induced Effects in High-Gradient Vacuum Breakdown - Serhii Lebedynskyi (Institute of Applied Physics, National Academy of Sciences of Ukraine)  
15:00 Memory Effect in Vacuum Microdischarges: A Comparison of Common and Noble Metal Electrodes - Dr Matej Klas (Department of Experimental Physics, Faculty of Mathematics, Physics and Informatics, Comenius University)  
15:30 --- Coffee break ---
16:00
Initiation (until 17:00)
16:00 Unveiling electric-field-driven deformation dynamics in metal nanostructures - Guodong Meng  
16:30 In Situ Observation of Field-Induced Surface Protrusion Formation in FCC Metals - Prof. Veronika Zadin (University of Tartu (EE))  
17:00
Poster Session (until 18:00)
12:30 --- Lunch ---
14:00
Modelling (until 15:30)
14:00 Atomistic Simulation of Taylor-Cone-Like Formation on Molten Copper Surfaces - Marzhan Toktaganova  
14:30 Hydrodynamic modeling of liquid copper tip deformation under RF electric and DC magnetic fields field - Juliette Plouin  
15:00 Multiple impacts of microparticles may cause vacuum discharges - ROLF KARL OTTO BEHLING (KTH Stockholm, Sweden)  
15:30 --- Coffee Break ---
16:00
Modelling (until 17:30)
16:00 An efficient self-consistent continuum method for space-charge-induced electric field redistribution in complex high-field vacuum gaps - C. S. Cró (Universidade da Madeira / IPFN)  
16:30 PIC-MCC/DSMC modelling of cathodic arcs and glow discharges - Wei Yang (Institute of Applied Physics and Computational Mathematics)  
17:00 A Simple Model of Gradient Limits in RF Systems - Jim Norem  
13:00 --- Lunch ---
16:30 --- Outing ---
13:00 --- Lunch ---
14:30
RF Breakdown (until 16:00)
14:30 RF Response to Induced Breakdown in a C‑Band Distributed‑Coupled Structure - Connor Gunter (SLAC National Accelerator Laboratory)  
15:00 External-circuit dependence of arcing evolution and termination in RF capacitively coupled plasma - WONNYOUNG JEONG (Chungnam National University)  
15:30 RF breakdown in satellites payloads, our recent advances and remaining challenges. - Nicolas Fil  
16:00 --- Coffee Break ---
16:30
Applications (until 17:30)
16:30 Control of erosion and ignition of multi-cathode pulsed vacuum arcs - Michael Keidar  
17:00 Mechanisms of Vacuum Breakdown and Magnetic Insulation Failure in Crossed-Field Devices - Dr Moein Borghei (Avalanche Energy)  
17:30
Closing (until 18:00)