Diffusion behavior of hydrogen isotopes in tungsten revisited by molecular dynamics simulations*

Project supported by the National Magnetic Confinement Fusion Program of China (Grant No. 2013GB109002).

Qiu Mingjie, Zhai Lei, Cui Jiechao, Fu Baoqin, Li Min, Hou Qing
       

(color online) Diffusion coefficients of H, D, and T in W, calculated by MD simulation (DH, DD, and DT), by fitting the Arrhenius relationship to the MD data (lines). is the diffusion coefficient of T, derived from DH based on single-mode harmonic transition state theory.