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Description

Electrons in monolayer graphene are described by massless Dirac electrons, which exhibit unique quantum phenomena due to the pseudospin and Berry phase of the massless electrons. In this talk, I will discuss our effort in probing massive Dirac electrons in gapped bilayer graphene, where a finite mass can be continuously engineered and a mass domain wall with topologically protected transport can be realized. I will also discuss one-dimensional plasmon arising from Luttinger liquid of Dirac electrons in metallic carbon nanotubes, which exhibit semi-quantized propagation speed and remarkable sub-wavelength plasmon confinement.

Details

Title
Probing Dirac Electron Physics in Graphitic Materials
Creator
University of California, Berkeley. Dept. of Physics
Published
Berkeley, CA, University of California, Berkeley, Dept. of Physics, April 11, 2016
Link to Content
UC Berkeley Library Online Video Collection.
Full Collection Name
Physics Colloquia
Type
Video
Format
Lecture.
Extent
1 streaming video file
Other Physical Details
digital, sd., col.
Archive
Physics Library
Note
Recorded at a colloquium held on April 11, 2016, sponsored by the Dept. of Physics, University of California, Berkeley.
originally produced as an .mts file in 2016
Speakers: Wang, Feng.
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