Effective mass enhancement and ultrafast electron dynamics of Au(111) surface state coupled to a quantum well

Effective mass enhancement and ultrafast electron dynamics of Au(111) surface state coupled to a quantum well

We show that, although the equilibrium band dispersion of the Shockley-type surface state of two-dimensional Au(111) quantum films grown on W(110) does not deviate from the expected free-electron-like behavior, its nonequilibrium energy-momentum dispersion probed by time- and angle-resolved photoemi...

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Bibliographic Details
Main Authors:	A. Varykhalov, F. Freyse, I. Aguilera, M. Battiato, M. Krivenkov, D. Marchenko, G. Bihlmayer, S. Blügel, O. Rader, J. Sánchez-Barriga
Format:	Article
Language:	English
Published:	American Physical Society 2020-03-01
Series:	Physical Review Research
Online Access:	http://doi.org/10.1103/PhysRevResearch.2.013343

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