Dressel, MartinDegiorgi, Leonardo E.GrĂ¼ner, GeorgeWachter, PeterSato, NoriakiKomatsubara, TakemiUemura, Yasutomo2009-08-312016-03-312009-08-312016-03-311994316358851http://nbn-resolving.de/urn:nbn:de:bsz:93-opus-46187http://elib.uni-stuttgart.de/handle/11682/7045http://dx.doi.org/10.18419/opus-7028We have investigated the electrodynamic response of UPd2Al3. At low temperatures, we observe the formation of a low-frequency narrow resonance, which indicates the development of the many-body coherent state. We do not find any evidence of a gap absorption associated to a spin density wave state below the antiferromagnetic phase transition at TN = 14 K, which would develop as a consequence of a Fermi surface instability.eninfo:eu-repo/semantics/openAccessElektrodynamik , Supraleiter530Optical investigations of the electrodynamics of UPd2Al3article2010-10-04