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Surface plasmon assisted magnetic anomalies on room temperature gold films in high-intensity laser fields

2014/09/26 by N. Kroó, Kroó, N., P. Rácz +3
Physics and Astronomy · #FOS: Physical sciences #Optics (physics.optics) #physics.optics

paper · pdf · doi:10.48550/arxiv.1409.7705

arxiv created 2015/06/01 · arxiv updated 2015/06/02

Abstract

Supplementing our STM and electron emission studies investigations, concluding in electron pairing in strong laser fields [1], further time-of-flight electron emission studies were carried out, changing the angle of polarization of the incident light, exciting surface plasmon oscillations. It has been found, that those parts of the electron spectrum which have been attributed to electron pairing have a significantly different angular dependence around 80 GW/cm2 where the pairing effect has been found than outside this region (e.g. 120 GW/cm2). These results have been interpreted as the appearance of ideal or partly ideal diamagnetism on the one hand and as anomaly in the magneto-optical effect (rotation) on the other, in the same laser intensity region where the pairing effect has been found.

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