Phase-locked rotation of crystallized non-neutral plasmas by rotating electric fields

被引：82

作者：

Huang, XP ^{[1
]}

Bollinger, JJ ^{[1
]}

Mitchell, TB ^{[1
]}

Itano, WM ^{[1
]}

机构：

[1] Natl Inst Stand & Technol, Div Time & Frequency, Boulder, CO 80303 USA

来源：

PHYSICAL REVIEW LETTERS | 1998年 / 80卷 / 01期

关键词：

D O I：

10.1103/PhysRevLett.80.73

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report the precise control of the rotation frequency of strongly coupled non-neutral plasmas by rotating electric fields. These plasmas of up to 10(6) Be-9(+) ions are trapped in a Penning trap and laser cooled into crystallized structures which undergo a rigid-body rotation, Bragg diffraction shows that the crystalline lattice can be stable for longer than 30 min (similar to 10(8) rotations), and that the plasma rotation can be phase locked to the applied field without any slip; These corotating plasmas are in: a novel global thermal equilibrium whose asymmetric surface shape (triaxial ellipsoid) has been measured.

引用

页码：73 / 76

页数：4

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