@techreport{oai:nifs-repository.repo.nii.ac.jp:00010107,
 author = {"Ohyabu,  N. and Yamazaki,  K. and Katanuma,  I. and Ji,  H. and Watanabe,  T. and Watanabe,  K. and Akao,  H. and Akaishi,  K. and Ono,  T. and Kaneko,  H. and Kawamura,  T. and Kubota,  Y. and Noda,  N. and Sagara,  A. and Motojima,  O. and Fujiwara,  M. and Iiyoshi,  A."},
 month = {Sep},
 note = {"The Large Helical device (LHD), now under construction is a Heliotron/torsatron device with a closed divertor system. The LHD divertor magnetic structure has been studied in detail. A peculiar feature of the configuration is the existence of edge surface layers, a complicated three dimensional magnetic structure. However it does not seem to hamper the expected divertor functions. As a confinement improvement scheme in LHD, we have proposed a high temperature divertor plasma operation in which a divertor plasma with a temperature of a few kev, generated by efficient pumping, leads to the confinement improvement."},
 title = {Design Study of LHD Helical Divertor and High Temperature Divertor Plasma Operation},
 year = {1992}
}