Ultraintense laser-cluster interactions: Effects of the cluster shape

被引：8

作者：

Barrington, Kasey ^{[1
]}

Hartwick, Zachary ^{[1
]}

Trost, Joseph ^{[1
,2
]}

Pandit, Rishi ^{[1
]}

Bigaouette, Nicolas ^{[3
]}

Ramunno, Lora ^{[3
]}

Ackad, Edward ^{[1
]}

机构：

[1] So Illinois Univ, Dept Phys, Edwardsville, IL 62026 USA

[2] Univ Calif Davis, Dept Phys, Davis, CA 95616 USA

[3] Univ Ottawa, Dept Phys, Ottawa, ON K1N 6N5, Canada

来源：

PHYSICAL REVIEW A | 2016年 / 93卷 / 01期

关键词：

GOLD NANORODS; IONIZATION;

D O I：

10.1103/PhysRevA.93.013417

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The disintegration of nonicosahedral rare-gas clusters in ultraintense extreme ultraviolet pulses is studied. The clusters quickly form a nanoplasma and evolve only according to the nanoplasma's dynamics, which are determined predominately by the cluster's initial shape. It is found that the cluster's disintegration follows a simple model that is well predicted using only the initial structure. The main finding is that the ions disintegrate tangentially from the surface of the cluster's overall shape. In ellipsoidal clusters, the work done on the ions near the semiminor axis by the other particles (ions and electrons) is larger than the work done on the ions near the semimajor axis. This leads to an inversion of the ellipsoidal axes due to the different axes expanding at different rates.

引用

页数：9

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