Transverse discrete breathers in unstrained grapheneElham Barani, Ivan P. Lobzenko, Elena A. Korznikova, Elvira G. Soboleva, Sergey V. Dmitriev, Kun Zhou and Aliakbar Moradi MarjanehEur. Phys. J. B, 90 3 (2017) 38DOI: https://doi.org/10.1140/epjb/e2017-70751-2