Time-dependent interaction across two conducting spheres in an applied electrostatic field |
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| Affiliation: | 1. College of Science, Guizhou University, Guiyang 550025, China;2. Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China;1. Eindhoven University of Technology, Department of Electrical Engineering, 5600 MB Eindhoven, The Netherlands;2. Eindhoven University of Technology, Department of Mathematics and Computer Sciences, 5600 MB Eindhoven, The Netherlands;3. Academic Medical Center, University of Amsterdam, Department of Radiology, 1105 AZ Amsterdam, The Netherlands;4. Academic Medical Center, University of Amsterdam, Department of Urology, 1105 AZ Amsterdam, The Netherlands;1. West University of Timisoara, Timisoara, Romania;2. Joint Institute for Nuclear Research, Dubna, Russia;3. Horia Hulubei National Institute of Physics and Nuclear Engineering, Bucharest-Magurele, Romania;4. University of Medicine and Pharmacy, Craiova, Romania;1. Lightning Protection Center of Zhejiang Province, Hangzhou 310008, PR China;2. Key Laboratory of Meteorological Disaster of Ministry of Education, Nanjing University of Information Science & Technology, Nanjing 210044, PR China;3. School of Atmospheric Physics, Nanjing University of Information Science & Technology, Nanjing 210044, PR China |
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| Abstract: | Charged particles exist widely in variety of technological areas as well as in nature. Even a weak charge on the particles can significantly influence their electric interaction. We investigated the phenomenon of time-dependent electric interaction between two conducting spheres in an electrostatic field. A mirror-image method was developed to analyze this system, and the fundamental role of the charges on the spheres was studied. We concluded that charges conducted to the lower sphere through the alumina tube used in our system play a main role in determining the time-dependent interaction, whereas the influence from air ions is negligible. |
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| Keywords: | Mirror-image method Conducting sphere Electric breakdown Electrostatic field |
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