Table 1
Parameter values for the simulations.
| Runs | θ | Initial slope | K range | Final | Final |
|---|---|---|---|---|---|
| [deg] |  |
[di] |  |
 |
|
| 1 | 0 | 0 | 0.03–0.42 | −1.5 | – |
| 2 | 30 | 0 | 0.03–0.42 | −0.9 | 0 |
| 3 | 60 | 0 | 0.03–0.42 | −0.4 | −0.4 & −2.1 |
| 4 | 80 | 0 | 0.13–0.45 | −0.6 | −1.1 & −3.1 |
| 5 | 0 | −3/2 | 0.26–0.52 | −2.9 | – |
| 6 | 30 | −3/2 | 0.26–0.52 | −2.9 | 0 |
| 7 | 60 | −3/2 | 0.26–0.52 | −2.6 | −1.5 |
Notes. From left to right the columns correspond to the angle of propagation, the initial parallel spectral slope and the modulus of the wave-number followed by the final spectral slopes in parallel and perpendicular directions. The magnetic field fluctuations in the transverse direction along
Ky for all simulation cases are initialized with flat spectra with 
and initially only the parallel spectral slopes along Kx
are varied. The last two columns represent the evolved spectral slopes for each case at
Ω p t = 800. The spectral slopes for strictly parallel propagation are estimated at Ωpt = 120. We should note that the spectral slopes for several cases are scale-dependent, hence multiple values are provided where necessary. See the text for more explanations.
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