A test on analytic continuation of thermal imaginary-time data

@article{Burnier2011ATO,
  title={A test on analytic continuation of thermal imaginary-time data},
  author={Y. Burnier and M. Laine and L. Mether},
  journal={The European Physical Journal C},
  year={2011},
  volume={71},
  pages={1-7}
}
Some time ago, Cuniberti et al. have proposed a novel method for analytically continuing thermal imaginary-time correlators to real time, which requires no model input and should be applicable with finite-precision data as well. Given that these assertions go against common wisdom, we report on a naive test of the method with an idealized example. We do encounter two problems, which we spell out in detail; this implies that systematic errors are difficult to quantify. On a more positive note… Expand
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