The energy‐based scaling of a thin current sheet: Case study

نویسندگان

  • Yu. L. Sasunov
  • M. L. Khodachenko
  • I. I. Alexeev
  • E. S. Belenkaya
  • E. I. Gordeev
  • I. V. Kubyshkin
چکیده

The influence of average plasma energy E~ on the half thickness ℓ of a thin current sheet (TCS) is investigated for three cases of TCSs crossings. The value of ℓ was estimated from the magnetic field data by means of Cluster observations. The obtained scaling values for TCSs, Z~=ℓ/ρT, where ρT is the thermal Larmor radius, were compared with the scaling Zμ=22E~/T, where E~ and T are the average plasma energy and the temperature of plasma, which assumes a specific dynamics (conservation of magnetic flux through the trajectory segment) of the current carriers. The comparison of Z~ and Zμ shows a good agreement.

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عنوان ژورنال:

دوره 42  شماره 

صفحات  -

تاریخ انتشار 2015