Linear in temperature correction to the Casimir force is discussed. The correction is important for small separations between bodies tested in the recent experiments and disappears in the case of perfect conductors.
@article{arxiv.quant-ph/0004004,
title = {Comment on the temperature dependence of the Casimir force},
author = {V. B. Svetovoy and M. V. Lokhanin},
journal= {arXiv preprint arXiv:quant-ph/0004004},
year = {2007}
}