Why take the square root? An assessment of interstellar magnetic field strength estimation methods

@article{Skalidis2021WhyTT,
  title={Why take the square root? An assessment of interstellar magnetic field strength estimation methods},
  author={R. Skalidis and James Sternberg and James R Beattie and V Pavlidou and Konstantinos Tassis},
  journal={Astronomy \& Astrophysics},
  year={2021}
}
Context. The magnetic field strength in interstellar clouds can be estimated indirectly from measurements of dust polarization by assuming that turbulent kinetic energy is comparable to the fluctuating magnetic energy, and using the spread of polarization angles to estimate the latter. The method developed by Davis (1951, Phys. Rev., 81, 890) and by Chandrasekhar and Fermi (1953, ApJ, 118, 1137) (DCF) assumes that incompressible magnetohydrodynamic (MHD) fluctuations induce the observed… Expand

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