| Budget Amount *help |
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2014: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2013: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2012: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
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| Outline of Final Research Achievements |
Plasmas exhibit various intermittent behaviors, where the words “intermittent behaviors” indicate irregularly repeated abrupt changes of the plasma. We have observed an intermittent increase of local electron temperature in a laboratory cylindrical plasma. Electrical and optical 2D measurements and statistical analyses have revealed that the region of electron temperature increase has a finite size of about 1/10 of the plasma diameter and the phenomenon is characterized by a stationary Poisson process, which is a random process that the occurrence probability is constant over whole period of time.
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