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Table 6
Comparison of our model/results with available model/results from other workers.
| Computational | Particle shape | Inclusions/size | Specifications of | |
| method | and composition/ | model/method | ||
| material | ||||
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| Our work | DDA | Oblate | Inclusion size in terms | All composite grain |
| (2010) | of number of dipoles | models with volume | ||
| across the diameter | fraction of inclusions | |||
| Inclusion compositions | viz. 10%, 20%, and 30% | |||
| are graphite/ice & | were studied | |||
| vacuum (for porosity) | ||||
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| Lee & | Rayleigh | Oblate | Ice, Size: smaller | Core-mantle grains |
| Draine (1985) | approximation | than wavelength | ||
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| Jones (1988) | EMAa | Spheres | Voids to model | Porosity 25% and 50% |
| Hollow spheres | porous grains | |||
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| Greenberg & | EMAa | Spheres | Organic refractory | Inclusion of CHON |
| Hage (1990) | material, Ice & | particles to model | ||
| voids | cometary grains | |||
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| Ossenkopf | EMAa | Ellipsoids | Al2O3, MgO, MgS | 10% inclusion of Al2O3, |
| et al. (1992) | Fe3O4, Fe2O3, & | MgO, and MgS | ||
| amorphous carbon | ||||
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| Henning & | DDA | Oblate and prolate | Inclusion size smaller | Two fractions of |
| Stognienko (1993) | The observed polarization | than wavelength and | inclusions | |
| across the 10 μm | inclusion composition | Fsilicates/Fgraphites | ||
| feature led them | consists of graphite, | viz. 1.3 & 0.8 | ||
| to conclude that the | ice, voids, & | |||
| silicate particles | amorphous carbon | |||
| are oblates | ||||
| rather than prolates | ||||
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| O’Donnell | EMAa | Oblates and prolates | Inclusion composition | Core-mantle particles with |
| (1994) | They found that | consists of | silicate-amorphous ice | |
| prolate grains shift | amorphous carbon, | and amorphous carbon | ||
| the 10 μm & 18 μm | glassy carbon, | |||
| features too so as | tholins, & voids | |||
| to be consistent | ||||
| with the observed data | ||||
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| Min et al. | DDA | Gaussian random spheres | Inclusion consists of | Silicate grains |
| (2007) | Gaussian random | distribution of | with Mg component | |
| field particles | amorphous carbon, | >0.9 | ||
| hollow spheres | amorphous silicate | |||
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| Voshchinnikov & | Layereda | Spherical grains | Inclusion composition | Volume fraction of inclusions |
| Henning (2008) | spheres | consists of amorphous | range from 0.2 | |
| carbon and amorphous | to 0.9 | |||
| silicates | ||||
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| Li et al. | Multi-layereda | Concentric | Inclusion composition | Mass ratio of amorphous |
| (2008) | sphere model | spherical layers | consists of amorphous | carbon v/s amorphous silicates |
| carbon & porous/voids | to be ~0.7 | |||
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