Title :
Probing electron-phonon interactions at the saddle point in graphene
Author :
Roberts, A. ; Binder, Rolf ; Kwong, Nai H. ; Golla, D. ; Cormode, D. ; LeRoy, B.J. ; Everitt, Henry O. ; Sandhu, A.
Author_Institution :
Coll. of Opt. Sci., Univ. of Arizona, Tucson, AZ, USA
Abstract :
High frequency differential transmission spectroscopy of graphene, probing near the M-point, is performed and analyzed theoretically. Electron-phonon coupling is identified as the chief mechanism for renormalization with an effective acoustic deformation potential of approximately 5eV.
Keywords :
band structure; electron-phonon interactions; graphene; renormalisation; C; M-point; acoustic deformation potential; differential transmission spectroscopy; electron-phonon interactions; graphene; renormalization mechanism; saddle point; Acoustics; Charge carrier processes; Couplings; Electric potential; Graphene; Optical coupling; Optical sensors;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
