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

Supplementing our STM and electron emission investigations, concluding in electron pairing in strong laser fields (Kroó N. et al., EPL, 105 (2014) 67003), further time-of-flight electron emission studies were carried out, changing the angle of polarization of the incident light, exciting surface pla...

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Bibliographic Details
Published in:Europhysics letters 2015-06, Vol.110 (6), p.67008-p1-67008-p4
Main Authors: Kroo, N, Racz, P, Varro, S
Format: Article
Language:English
Subjects:
71.45.Gm
79.60.-i
Anomalies
Diamagnetism
Electron emission
Emission analysis
Excitation
Excitation spectra
Gold
High power lasers
Incident light
Lasers
Magnetic anomalies
Oscillations
Plasmons
Polarization
Room temperature
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Summary:Supplementing our STM and electron emission investigations, concluding in electron pairing in strong laser fields (Kroó N. et al., EPL, 105 (2014) 67003), 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 where the pairing effect has been found with respect to outside this region (e.g., ). 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 hand, in the same laser intensity region where the pairing effect has been found.
ISSN:0295-5075
1286-4854
DOI:10.1209/0295-5075/110/67008