Abstract
Results from 3D global gyrokinetic particle simulations of ion-temperature-gradient driven microturbulence in a toroidal plasma show that the ion thermal transport level in the interior region exhibits significant dependence on the ion-ion collision frequency even in regimes where the instabilities are collisionless. This is identified as arising from the Coulomb collisional damping of turbulence-generated zonal flows.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 3645-3648 |
| Number of pages | 4 |
| Journal | Physical review letters |
| Volume | 83 |
| Issue number | 18 |
| DOIs | |
| State | Published - Jan 1 1999 |
All Science Journal Classification (ASJC) codes
- General Physics and Astronomy
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