Abstract:the delay in response between a pair of probes and the other on the time that elapsed before each individual probe responded. Both methods indicate the same result, namely, a speed of plasma expansion of about 10 4 cm sec" 1 . In contrast, the calculated wave velocity for the propagation of electroacoustic waves in the plasma would be about 10 6 cm sec" 1 .The evidence for the slow expansion of the plasma column rests solely on the probe signals. Such slow motion in the absence of an external magnetic field ha… Show more
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