FEMTOSECOND RELAXATION OF LOCALIZED PLASMA EXCITATIONS IN AG ISLANDS

被引：38

作者：

STEINMULLERNETHL, D

HOPFEL, RA

GORNIK, E

LEITNER, A

AUSSENEGG, FR

机构：

[1] TECH UNIV MUNICH, WALTER SCHOTTKY INST, W-8046 GARCHING, GERMANY

[2] GRAZ UNIV, INST EXPTL PHYS, A-8010 GRAZ, AUSTRIA

来源：

PHYSICAL REVIEW LETTERS | 1992年 / 68卷 / 03期

关键词：

D O I：

10.1103/PhysRevLett.68.389

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report the first direct measurement of the relaxation of plasma oscillations in a solid. Via the second-harmonic autocorrelation of femtosecond laser pulses, the lifetimes of localized plasma oscillations in silver island films were investigated. Decay times of 40 +/- 7 fs were obtained, which indicate that single-particle scattering is mainly responsible for the energy relaxation of the plasma oscillations.

引用

页码：389 / 392

页数：4

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