Truncated correlations in video microscopy of colloidal solids

@article{Schindler2012TruncatedCI,
  title={Truncated correlations in video microscopy of colloidal solids},
  author={M. Schindler and A. Maggs},
  journal={Soft Matter},
  year={2012},
  volume={8},
  pages={3864-3874}
}
Studies by video microscopy on fluctuating colloids measure the real-space correlations in particle motion. This set of correlations is then treated as a matrix, in order to study the spectrum and mode structure. We show that in general the deduced modes are modified by the truncation of the full real-space correlations. We perform a theoretical analysis of the truncation, find the boundary conditions imposed by the truncation, and propose practical windowing strategies to eliminate artefacts… Expand
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