As electron temperature T<sub>e</sub> is much higher than ion temperature T<sub>i</sub>, and electron driftspeed V<sub>d</sub> is larger than the critical value V<sub>dc</s...As electron temperature T<sub>e</sub> is much higher than ion temperature T<sub>i</sub>, and electron driftspeed V<sub>d</sub> is larger than the critical value V<sub>dc</sub> of V<sub>d</sub>, the ω=KV<sub>φ</sub> mode ion acoustic wave（IAW） will be instable. Under a long wave condition （Kλ<sub>D</sub>【【1, where λ<sub>D</sub> is Deby length,K is weve number）, the growing rate γ（K） of the IAW may be written展开更多
文摘As electron temperature T<sub>e</sub> is much higher than ion temperature T<sub>i</sub>, and electron driftspeed V<sub>d</sub> is larger than the critical value V<sub>dc</sub> of V<sub>d</sub>, the ω=KV<sub>φ</sub> mode ion acoustic wave（IAW） will be instable. Under a long wave condition （Kλ<sub>D</sub>【【1, where λ<sub>D</sub> is Deby length,K is weve number）, the growing rate γ（K） of the IAW may be written
