Funaba, H.Ida, K.Kado, S.Narihara, K.Tanaka, K.2004-12-142004-12-1420012001http://hdl.handle.net/2003/1887110.17877/DE290R-1655enThe American Physical SocietyPhysical Review Letters530Reduction of Ion Thermal Diffusivity Associated with the Transition of the Radial Electric Field in Neutral-Beam-Heated Plasmas in the Large Helical Device10.1103/PhysRevLett.86.5297article (journal)