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Radial transport characteristics of fast ions due to energetic-particle modes inside the last closed-flux surface in the compact helical system.
Nagaoka K, Isobe M, Toi K, Shimizu A, Fujisawa A, Ohshima S, Nakano H, Osakabe M, Todo Y, Akiyama T, Nagashima Y, Suzuki C, Nishimura S, Yoshimura Y, Matsuoka K, Okamura S. Nagaoka K, et al. Among authors: fujisawa a. Phys Rev Lett. 2008 Feb 15;100(6):065005. doi: 10.1103/PhysRevLett.100.065005. Epub 2008 Feb 15. Phys Rev Lett. 2008. PMID: 18352485 Free article.
Observation of toroidal flow antiparallel to the <E(r) x B(straight theta)> drift direction in the hot electron mode plasmas in the compact helical system.
Ida K, Minami T, Yoshimura Y, Fujisawa A, Suzuki C, Okamura S, Nishimura S, Isobe M, Iguchi H, Itoh K, Kado S, Liang Y, Nomura I, Osakabe M, Takahashi C, Tanaka K, Matsuoka K. Ida K, et al. Among authors: fujisawa a. Phys Rev Lett. 2001 Apr 2;86(14):3040-3. doi: 10.1103/PhysRevLett.86.3040. Phys Rev Lett. 2001. PMID: 11290102
Identification of zonal flows in a toroidal plasma.
Fujisawa A, Itoh K, Iguchi H, Matsuoka K, Okamura S, Shimizu A, Minami T, Yoshimura Y, Nagaoka K, Takahashi C, Kojima M, Nakano H, Ohsima S, Nishimura S, Isobe M, Suzuki C, Akiyama T, Ida K, Toi K, Itoh SI, Diamond PH. Fujisawa A, et al. Phys Rev Lett. 2004 Oct 15;93(16):165002. doi: 10.1103/PhysRevLett.93.165002. Epub 2004 Oct 13. Phys Rev Lett. 2004. PMID: 15524996 Free article.
Experimental evidence of a zonal magnetic field in a toroidal plasma.
Fujisawa A, Itoh K, Shimizu A, Nakano H, Ohshima S, Iguchi H, Matsuoka K, Okamura S, Minami T, Yoshimura Y, Nagaoka K, Ida K, Toi K, Takahashi C, Kojima M, Nishimura S, Isobe M, Suzuki C, Akiyama T, Nagashima Y, Itoh SI, Diamond PH. Fujisawa A, et al. Phys Rev Lett. 2007 Apr 20;98(16):165001. doi: 10.1103/PhysRevLett.98.165001. Epub 2007 Apr 18. Phys Rev Lett. 2007. PMID: 17501426 Free article.
Density profile measurement with a heavy ion beam probe in a toroidal plasma of the compact helical system.
Shimizu A, Fujisawa A, Ohshima S, Nakano H, Minami T, Isobe M, Okamura S, Matsuoka K. Shimizu A, et al. Among authors: fujisawa a. Rev Sci Instrum. 2018 Nov;89(11):113507. doi: 10.1063/1.5039571. Rev Sci Instrum. 2018. PMID: 30501308
A method has been proposed to reconstruct the electron density profile [A. Fujisawa et al., Rev. Sci. Instrum. 74, 3335 (2003)]. In the method, the profile of secondary beam currents is converted into a local density profile by taking into account loca …
A method has been proposed to reconstruct the electron density profile [A. Fujisawa et al., Rev. Sci. Instrum. 74, 3335 …
Synchronization of Geodesic Acoustic Modes and Magnetic Fluctuations in Toroidal Plasmas.
Zhao KJ, Nagashima Y, Diamond PH, Dong JQ, Itoh K, Itoh SI, Yan LW, Cheng J, Fujisawa A, Inagaki S, Kosuga Y, Sasaki M, Wang ZX, Wei L, Huang ZH, Yu DL, Hong WY, Li Q, Ji XQ, Song XM, Huang Y, Liu Y, Yang QW, Ding XT, Duan XR. Zhao KJ, et al. Among authors: fujisawa a. Phys Rev Lett. 2016 Sep 30;117(14):145002. doi: 10.1103/PhysRevLett.117.145002. Epub 2016 Sep 28. Phys Rev Lett. 2016. PMID: 27740841
263 results