Damping of longitudinal waves in colloidal crystals of finite size

被引：14

作者：

Allahyarov, EA ^{[1
]}

Podloubny, LI ^{[1
]}

Schram, PPJM ^{[1
]}

Trigger, SA ^{[1
]}

机构：

[1] EINDHOVEN UNIV TECHNOL, NL-5600 MB EINDHOVEN, NETHERLANDS

来源：

PHYSICAL REVIEW E | 1997年 / 55卷 / 01期

关键词：

D O I：

10.1103/PhysRevE.55.592

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

The damping of longitudinal waves in colloidal crystals, considered in the primitive plasmalike model (counterions and macroions in liquid), is investigated in the framework of viscoelastic theory in continuous approximation. The transition from the discrete lattice to the continuous approximation for longitudinal waves is possible, because the wavelength is much larger than the lattice parameter. The dispersion relations, numerical and analytical results for the bulk and surface modes are found for the infinite, semifinite, and finite size crystals. On this basis the experimental results obtained earlier by Hoppenbrouwers and van de Water (unpublished) in finite size crystals are compared with our theoretical results.

引用

页码：592 / 597

页数：6

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