Higher harmonics in the perturbative transport study in TJ-II ECH plasma

Shigeru Inagaki, Sanae I. Itoh, Kimitaka Itoh, Katsumi Ida, Daniel López-Bruna, Maria A. Ochand, Teresa Estrada, Boudewijn Ph Van Milligen, Carlos Hidalgo, Naohiro Kasuya, team TJ-II team

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)


We analyzed the higher harmonics of temperature perturbation in the modulated electron cyclotron heating experiment on TJ-II plasma. The higher harmonics (e.g., 5th harmonic) exhibited significantly weaker decay in amplitude as they propagated in radius as compared with the prediction by diffusive model. The change in the time derivative of temperature at the onset (and turning-off) of the heating power propagates in radius with very little temporal smoothening.

Original languageEnglish
Article number1202052
JournalPlasma and Fusion Research
Publication statusPublished - 2014

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics


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