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I E cross B drift

  1. May 4, 2017 #1
    I am looking at this brief derivation of the E cross B drift for a plasma, starting at the top of page 3: link.

    I am a bit confused as to the justification that the drift velocity is perpendicular to the magnetic field, as stated at the top of page 3. Is this an ansatz, which just happens to work out? One can immediately check that this velocity solves the equation preceding (5), and if I am not mistaken the solution is linear in components of drift velocity so it must be the unique solution.

    Or am I missing something and is there a reason why the drift velocity is perpendicular to B?
     
  2. jcsd
  3. May 9, 2017 #2
    Thanks for the thread! This is an automated courtesy bump. Sorry you aren't generating responses at the moment. Do you have any further information, come to any new conclusions or is it possible to reword the post? The more details the better.
     
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