MOLECULAR-DYNAMICS SIMULATION OF A MOLECULAR GLASS AT INTERMEDIATE TIMES

被引：27

作者：

WAHNSTROM, G

LEWIS, LJ

机构：

[1] GOTHENBURG UNIV,S-41296 GOTHENBURG,SWEDEN

[2] UNIV MONTREAL,RECH PHYS & TECHNOL COUCHES MINCES GRP,MONTREAL H3C 3J7,QUEBEC,CANADA

[3] UNIV MONTREAL,DEPT PHYS,MONTREAL H3C 3J7,QUEBEC,CANADA

来源：

PHYSICA A | 1993年 / 201卷 / 1-3期

关键词：

D O I：

10.1016/0378-4371(93)90411-V

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The results of a detailed molecular dynamics investigation of relaxation in the van der Waals system o-terphenyl are presented. Our calculations give clear evidence for the existence of a fast ''relaxation process'' on the picosecond time scale. This confirms the neutron-scattering observation of an anomalous decrease of the Debye-Waller factor. The observed relaxation process results from strongly anharmonic motion of molecules trapped in cages formed by their neighbours.

引用

页码：150 / 156

页数：7

共 14 条

[11] DEPOLARIZED DYNAMIC LIGHT-SCATTERING-STUDIES OF ORTHO-TERPHENYL DYNAMICS ABOVE T(G)
STEFFEN, W
PATKOWSKI, A
MEIER, G
FISCHER, EW
[J]. JOURNAL OF CHEMICAL PHYSICS, 1992, 96 (06) : 4171 - 4179
[12] MOLECULAR-DYNAMICS STUDY OF A SUPERCOOLED 2-COMPONENT LENNARD-JONES SYSTEM
WAHNSTROM, G
[J]. PHYSICAL REVIEW A, 1991, 44 (06): : 3752 - 3764
[13] SECONDARY RELAXATION IN O-TERPHENYL GLASS
WU, L
NAGEL, SR
[J]. PHYSICAL REVIEW B, 1992, 46 (17): : 11198 - 11200
[14] [No title captured]

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