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- Article name
- Electric microfield distributions in nonideal electron-positron plasma. Molecular dynamics simulations
- Authors
- Sadykova S. P., , saltanat@physik.hu-berlin.de, Humboldt-Universität zu Berlin, 15 Newtonstr., 12489-Berlin, Germany
Ebeling W., , , Humboldt-Universität zu Berlin, 15 Newtonstr., 12489-Berlin, Germany
Sokolov I. M., , , Humboldt-Universität zu Berlin, 15 Newtonstr., 12489-Berlin, Germany
Valuev I. A., , oivtran@ivtran.ru, Joint Institute for High Temperatures of RAS, 13 Izhorskaya str., bld.2, 125412, Moscow, Russia
- Keywords
- two-componental plasma / electric microfield / parameter / imperfection / distribution / molecular dynamics
- Year
- 2010 Issue 1 Pages 37 - 42
- Code EDN
- Code DOI
- Abstract
- We consider a symmetric model of two-component plasma and calculate the distributions of electric microfields acting on a charged and on a neutral particle using the molecular dynamics simulation method for fixed temperature T = 30 000 K and different values of nonideality parameter 0.2 ≤ Г ≤ 1.2. We discuss the changes of these distributions with Г. We pay a special attention to the behaviour of the distribution tails. We show that the behaviour of the tails of the field distributions at a neutral point is compatible with those of the Holtsmark distribution while the tails of the distribution at a charge are considerably fatter and characterised by the decay exponents changing from -2.2 to -1.8 with increasing Г.
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