Preferential heating of electrons traveling in one direction can support a current even in the absence of a dc electric field. An immediate implication is that even waves which carry little toriodal momentum, such as electron cyclotron waves, may be attractive as a means for generating steady-state toroidal current in a tokamak. An analytical expression is derived for the current generated per power dissipated, which agrees remarkably well with numerical calculations.
|Original language||English (US)|
|Number of pages||3|
|Journal||Physical review letters|
|State||Published - 1980|
All Science Journal Classification (ASJC) codes
- Physics and Astronomy(all)