|
| S. no. | Items | GES stability analysis | MHD stability analyses |
|
| 1 | Model | Ideal hydrodynamic | MHD |
|
| 2 | Plasma-boundary wall interaction and sheath formation mechanism | Included | Neglected |
|
| 3 | Effect of charge separation | Considered | Not considered |
|
| 4 | Floating surface (at which no net electric current) | Involved | Not involved |
|
| 5 | Magnetic field | Not considered
| Considered |
|
| 6 | Description | Two-scale (SIP and SWP) | One scale (SWP) |
|
| 7 | Sonic range | Subsonic (SIP) and supersonic (SWP) | Supersonic (SWP) |
|
| 8 | Self-gravity (SIP) and external gravity (SWP) | Considered | Not considered |
|
| 9 | Transonic transition (subsonic to supersonic) | Involved (through SIP and SSB interaction process and thus transformed into SWP) | Not involved |
|
| 10 | Analytical solution | Bounded (SIP) | Unbounded (SWP) |
|
| 11 | Thermal species | Maxwellian | Single fluid (MHD) |
|
| 12 | Surface description and specification | Yes (at ) and it is negatively biased (with kV) at the cost of thermal loss of SIP electrons | Not precisely, but the diffused surface is electrically uncharged and unbiased |
|
| 13 | Source of nonlinearity | Plasma fluidity | Large-scale dynamics |
|
| 14 | Source of dispersion | Deviation from quasineutrality and self-gravity | Geometrical effect (also, some part of physical effect) |
|
| 15 | Source of dissipation | Weak collisional effects | Viscosity and magnetic diffusion |
|
| 16 | Sun and SWP coupling | Considered | Not considered |
|
| 17 | Nature of solutions | Mainly shocklike structures in the lowest ordered perturbed GES potential | Soliton and shocklike structures in the lowest ordered perturbed density and velocity |
|
| 18 | Solar atmosphere | Not stratified | Stratified (into a number of heliocentric layers) |
|
| 19 | Adopted technique | Standard reductive perturbation technique (about the GES equilibrium) | Standard multiple scaling technique (about the MHD equilibrium) |
|
| 20 | Convection and circulation dynamics | Not treated (for idealized simplicity) | Treated |
|
| 21 | Leakage process | Taken into account | Not taken into account |
|
| 22 | Main application | Surface origin of the subsonic SWP and its transonic flow dynamics | Solar chromospheric and coronal heating |
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