Comment on “Direct equivalence between quantum phase transition phenomena in radiation-matter and magnetic systems: Scaling of entanglement” by J. Reslen et al. J. G. Brankov, N. S. Tonchev and V. A. ZagrebnovEurophys. Lett., 72 1 (2005) 151-152DOI: https://doi.org/10.1209/epl/i2005-10194-y