Isotope effect in transient electron thermal transport property and its impact on the electron internal transport barrier formation in LHD

T. Kobayashi, K. Ida, K. Tanaka, M. Yoshinuma, T. Ii Tsujimura, S. Inagaki, T. Tokuzawa, H. Tsuchiya, N. Tamura, H. Igami, Y. Yoshimura, S. I. Itoh, K. Itoh