Structural properties of charged dust particles with dipole moments
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Keywords:
Dusty plasmas, plasma properties, plasma simulationAbstract
Molecular dynamics simulation of a two-dimensional system of charged dust particles was carried out in view of the dipole moments. As it is known, in gas discharge the dust particle and ions focused by the dust grain can be considered as a one compound particle with non-zero dipole moment. Notice that in general dusty plasma, which consists of electrons, ions and neutral atoms, is three-dimensional. However, the movement of dust particles is limited to two-dimensional plane.The influence of non-zero dipole moment on the structural properties of the system was analyzed on the basis of the pair correlation function. Possible experimental observation of dipole interaction between dust particles and that of the measurement of dust particles the dipole moment of the complex plasma are discussed in the gas discharge.
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8 Käehlert H. Ion-dust streaming instability with non-Maxwellian ions // Phys. Plasmas. – 2015. – Vol. 22, no. 7. – P. 073703.
9 Thomsen H. and Bonitz M. Resolving structural transitions in spherical dust clusters // Phys. Rev. E. – 2015. – Vol. 91. – P. 043104.
10 Ramazanov T.S., Dzhumagulova K.N., Kodanova S.K., Daniyarov T.T., and Dosbolayev M.K. Thermodynamic properties of dusty plasma on the basis of the Langevin dynamics // Contrib. Plasma Phys. – 2009. – Vol. 49, nos. 1–2. – P. 15–20.
11 Ramazanov T.S., Kodanova S.K., Dzhumagulova K.N., and Bastykova N.K. The new method for measuring of dust par-ticles charge in glow discharge plasma // Europhys. Lett. – 2011. – Vol. 96, no. 4. – P. 45004.
12 Orazbayev S.A., et al. The diagnostics of dusty plasma in RF discharge by two different methods // Contrib. Plasma Phys. – 2013. – Vol. 53, no. 4–5. – P. 436–441.
13 Ramazanov T.S., Moldabekov A.Z., and Gabdullin M.T. Multipole expansion and effective interaction potentials of plasma particles // to be published in Phys.Rew. E.
14 Landau L. D. and Lifshitz E.M. Theory of Fields. – M.: Physmathlit, 2003. – P. 133–141.
15 Kodanova S.K., Ramazanov T.S., Bastykova N.K., and Moldabekov Z.A. Effect of dust particle polarization on scattering processes in complex plasmas // Phys. Plasmas. – 2015. – Vol. 22, no. 6. – P. 063703.
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19 Hartmann P., Kalman G.J., Donkó Z., and Kutasi K. Equilibrium properties and phase diagram of two-dimensional Yukawa systems // Phys.Rev.E. – 2005. – Vol. 72. – P.026409.
20 Golden K.I., Kalman G.J., Hartmann P., and Donkó Z. Dynamics of two-dimensional dipole systems // Phys. Rev. E. – 2010. – Vol. 82. – P. 036402.
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Молдабеков, Ж., Рамазанов, Т., & Габдуллин, А. (2016). Structural properties of charged dust particles with dipole moments. Recent Contributions to Physics (Rec.Contr.Phys.), 58(3), 4–9. Retrieved from https://bph.kaznu.kz/index.php/zhuzhu/article/view/468
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Plasma Physics
