Convergence analysis of the thermal discrete dipole approximation.

@article{Edalatpour2015ConvergenceAO,
  title={Convergence analysis of the thermal discrete dipole approximation.},
  author={Sheila Edalatpour and Martin Cuma and Tyler Trueax and Roger Backman and Mathieu Francoeur},
  journal={Physical review. E, Statistical, nonlinear, and soft matter physics},
  year={2015},
  volume={91 6},
  pages={
          063307
        }
}
The thermal discrete dipole approximation (T-DDA) is a numerical approach for modeling near-field radiative heat transfer in complex three-dimensional geometries. In this work, the convergence of the T-DDA is investigated by comparison against the exact results for two spheres separated by a vacuum gap. The error associated with the T-DDA is reported for various sphere sizes, refractive indices, and vacuum gap thicknesses. The results reveal that for a fixed number of subvolumes, the accuracy… 
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