The computer simulation technique of molecular dynamics was applied to a model twodimensional fluid mixture system to examine the short-range ordering of lipid and protein molecules in biological membranes. The model system consists of small disks (lipids) and large disks (proteins) with a radius ra
Molecular dynamics study of a classical two-dimensional electron system: positional and orientational orders
β Scribed by Satoru Muto; Hideo Aoki
- Publisher
- Elsevier Science
- Year
- 2000
- Tongue
- English
- Weight
- 289 KB
- Volume
- 6
- Category
- Article
- ISSN
- 1386-9477
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β¦ Synopsis
Molecular dynamics simulation is used to investigate the crystallization of a classical two-dimensional electron system, in which electrons interact with the Coulomb repulsion. From the positional and the orientational correlation functions, we have found an indication that the solid phase has a quasi-long-range (power-law correlated) positional order and a long-range orientational order. This implies that the long-range 1=r system shares the absence of the true long-range crystalline order at ΓΏnite temperatures with short-range ones to which Mermin's theorem applies. We also discuss the existence of the "hexatic" phase predicted by the Kosterlitz-Thouless-Halperin-Nelson-Young theory.
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