Polarization resolved analysis of phonon transport in a multi-terminal system Project supported by the National Natural Science Foundation of China (Grant No. 51376094) and Jiangsu Overseas Visiting Scholar Program for University Prominent Young & Middle-aged Teachers and Presidents, China. |
Phonon dispersion of zigzag graphene nanoribbon with Nz = 12. The size of the Brillouin zone is 2π/a. The dots stand for the calculated outgoing waves. The blue, red, black, and magenta dots represent the LA, TA, ZA, and ZA4 branches, respectively. |