Electromagnetic density of states and absorption of radiation by aggregates of nanospheres with multipole interactions

被引：50

作者：

Markel, VA ^{[1
]}

Pustovit, VN

Karpov, SV

Obuschenko, AV

Gerasimov, VS

Isaev, IL

机构：

[1] Univ Penn, Dept Radiol, Philadelphia, PA 19104 USA

[2] Jackson State Univ, Dept Phys, Jackson, MS 39217 USA

[3] Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia

[4] Moscow Inst Phys & Technol, Dolgoprudnyi 141700, Russia

[5] Krasnoyarsk State Tech Univ, Dept Phys & Engn, Krasnoyarsk 660028, Russia

[6] Natl Acad Sci Ukraine, Inst Surface Chem, UA-03164 Kiev, Ukraine

来源：

PHYSICAL REVIEW B | 2004年 / 70卷 / 05期

关键词：

D O I：

10.1103/PhysRevB.70.054202

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We calculate the quasistatic electromagnetic density of states for aggregates of touching spheres, in particular, linear chains and computer-generated random fractal aggregates. Multipole moments with orders of up to L=64 are taken into account for random aggregates with the number of particles of up to N=100 and up to L=8000 for linear chains. Extensive comparisons with the dipole approximation and geometrical cluster renormalization method are performed. Extinction spectra are calculated for several metals and black carbon. Long wavelength electromagnetic properties of fractal aggregates are considered in details.

引用

页码：054202 / 1

页数：19

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