Direct determination of particle-particle interactions in a 2D plasma dust crystal

被引：41

作者：

Hebner, GA ^{[1
]}

Riley, ME ^{[1
]}

Johnson, DS ^{[1
]}

Ho, P ^{[1
]}

Buss, RJ ^{[1
]}

机构：

[1] Sandia Natl Labs, Albuquerque, NM 87185 USA

来源：

PHYSICAL REVIEW LETTERS | 2001年 / 87卷 / 23期

关键词：

D O I：

10.1103/PhysRevLett.87.235001

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Particle interactions were directly determined from the lateral compression of two-dimensional plasma dust crystals confined in a parabolic potential well. Measured particle separations combined with an equation of state for the crystal were used to derive values for the particle screening length and the charge on the particles. The shape of the parabolic potential well was confirmed by observing trajectories of single particles falling within the well. No evidence of a lateral particle-particle binding was observed.

引用

页码：235001 / 1

页数：4

共 26 条

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