In:
Japanese Journal of Applied Physics, IOP Publishing, Vol. 38, No. 7S ( 1999-07-01), p. 4561-
Abstract:
Two-dimensional melting was observed in a simple hexagonal Coulomb
crystal of dusty plasmas. When gas pressure was increased, the particle arrangement of
crystalline structure changed from the ordered to the disordered phase. In the change, translational and bond-orientational
orders of the arrangement were disturbed. On the other hand, Monte Carlo simulation was
employed to examine the experimental results. In the Yukawa system observed in the simulation, where
the interaction between the charged particles became weaker, the translational order became short range at first. After that,
the bond-orientational order also became short range. According to both experimental and simulation results,
melting transition was induced by decreasing the Coulomb interaction between particles with
increasing pressure in the laboratory dusty plasma. The dynamics of two-dimensional Coulomb crystals,
especially two-dimensional melting, was partly clarified in this work.
Type of Medium:
Online Resource
ISSN:
0021-4922
,
1347-4065
DOI:
10.1143/JJAP.38.4561
Language:
Unknown
Publisher:
IOP Publishing
Publication Date:
1999
detail.hit.zdb_id:
218223-3
detail.hit.zdb_id:
797294-5
detail.hit.zdb_id:
2006801-3
detail.hit.zdb_id:
797295-7
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