Current Challenges in the First Principle Quantitative Modelling of the Lower Hybrid Current Drive in TokamaksY. Peysson, P. T. Bonoli, J. Chen, A Garofalo, J. Hillairet, M. Li, J. Qian, S. Shiraiwa, J. Decker, B. J. Ding, A. Ekedahl, M. Goniche and X. ZhaiEPJ Web Conf., 157 (2017) 02007DOI: https://doi.org/10.1051/epjconf/201715702007