Abstract
We consider the results of experimental observation of melting of a plasma-dust monolayer (2D phase transition) in a low-pressure gas discharge. Pair and bond-angular correlation functions as well as the number of topological defects in the monolayer are measured and analyzed. The change of profile of the bond-angular correlation functions confirms the existence of the solid-hexatic phase-liquid phase transition, which completely correlates with the Berezinskii-Kosterlitz-Thouless theory.
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Original Russian Text © O.F. Petrov, M.M. Vasiliev, Ye Tun, K.B. Statsenko, O.S. Vaulina, E.V. Vasilieva, V.E. Fortov, 2015, published in Zhurnal Eksperimental’noi i Teoreticheskoi Fiziki, 2015, Vol. 147, No. 2, pp. 372–378.
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Petrov, O.F., Vasiliev, M.M., Tun, Y. et al. Two-dimensional phase transition in a strongly nonideal dusty plasma. J. Exp. Theor. Phys. 120, 327–332 (2015). https://doi.org/10.1134/S1063776115020181
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DOI: https://doi.org/10.1134/S1063776115020181