%0 Journal Article %1 fujita.2005 %A Fujita, T. %A Suzuki, T. %A Oikawa, T. %A Isayama, A. %A Hatae, T. %A Naito, O. %A Sakamoto, Y. %A Hayashi, N. %A Hamamatsu, K. %A Ide, S. %A Takenaga, H. %D 2005 %I American Physical Society %J Phys. Rev. Lett. %K JT-60U current_hole current_reversal equilibrium i-mhd tokamak %N 7 %P 075001 %R 10.1103/PhysRevLett.95.075001 %T Current Clamp at Zero Level in JT-60U Current Hole Plasmas %U http://prola.aps.org/abstract/PRL/v95/i7/e075001 %V 95 %X It is found that no current is driven in a central region of a tokamak plasma once the central current density becomes nearly zero (``current hole''), in spite of high electric conductivity, at the current drive by a toroidal electric field and a radio-frequency wave in experiments on the JT-60U tokamak. This is a new, stiff, self-organized structure of a magnetic field in an axisymmetric toroidal plasma.

@article{fujita.2005, abstract = {It is found that no current is driven in a central region of a tokamak plasma once the central current density becomes nearly zero (``current hole''), in spite of high electric conductivity, at the current drive by a toroidal electric field and a radio-frequency wave in experiments on the JT-60U tokamak. This is a new, stiff, self-organized structure of a magnetic field in an axisymmetric toroidal plasma.}, added-at = {2009-09-16T18:39:11.000+0200}, author = {Fujita, T. and Suzuki, T. and Oikawa, T. and Isayama, A. and Hatae, T. and Naito, O. and Sakamoto, Y. and Hayashi, N. and Hamamatsu, K. and Ide, S. and Takenaga, H.}, biburl = {https://www.bibsonomy.org/bibtex/2614d531ba3800f0a4b4656b85df60319/prodrigues}, description = {Reports long-lived current holes at JT-60U and their resilience against current-drive atempts}, doi = {10.1103/PhysRevLett.95.075001}, interhash = {ef2eca97821c3152a2ca74e3453b9255}, intrahash = {614d531ba3800f0a4b4656b85df60319}, journal = {Phys. Rev. Lett.}, keywords = {JT-60U current_hole current_reversal equilibrium i-mhd tokamak}, month = Aug, number = 7, numpages = {4}, pages = 075001, publisher = {American Physical Society}, timestamp = {2009-09-16T18:39:11.000+0200}, title = {Current Clamp at Zero Level in JT-60U Current Hole Plasmas}, url = {http://prola.aps.org/abstract/PRL/v95/i7/e075001}, volume = 95, year = 2005 }