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arXiv 1409.7705physics.optics
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高强度laser场中室温金膜表面等离子体辅助磁异常

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

N. Kroó, P. Rácz, S. Varró

摘要:

补充我们的STM和电子发射研究调查,在强激光场中的电子配对中得出结论[1],进行了进一步的飞行时间电子发射研究,改变入射光的偏振角,激发表面等离子体振荡。已经发现,归因于电子配对的电子谱的那些部分在已经发现配对效应的80 GW/cm 2附近与在该区域之外(例如120 GW/cm 2)具有显著不同的角度依赖性。这些结果已被解释为外观的理想或部分理想的抗磁性,一方面,作为异常的磁光效应(旋转)的另一方面,在同一激光强度区域中的配对效应已被发现。

英文摘要:

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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