Colloquium: Graphene spectroscopy
D. N. Basov, M. M. Fogler, A. Lanzara, Feng Wang, Yuanbo Zhang
TL;DR
This paper reviews various spectroscopic techniques used to study electronic properties and many-body interactions in graphene, highlighting its unique Dirac quasiparticle behavior.
Contribution
It provides a comprehensive survey of spectroscopic methods applied to graphene, emphasizing their role in revealing its unusual electronic properties and many-body effects.
Findings
Identification of Dirac quasiparticle signatures
Insights into many-body interactions in graphene
Comparison of different spectroscopic techniques
Abstract
Spectroscopic studies of electronic phenomena in graphene are reviewed. A variety of methods and techniques are surveyed, from quasiparticle spectroscopies (tunneling, photoemission) to methods probing density and current response (infrared optics, Raman) to scanning probe nanoscopy and ultrafast pump-probe experiments. Vast complimentary information derived from these investigations is shown to highlight unusual properties of Dirac quasiparticles and many-body interaction effects in the physics of graphene.
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