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Authors: Degiorgi, Leonardo E.
Dressel, Martin
Grüner, George
Wachter, Peter
Sato, Noriaki
Komatsubara, Takemi
Title: Optical investigation of the electrodynamic response of UPd2Al3
Issue Date: 1994 Zeitschriftenartikel Europhysics Letters 25 (1994), S. 311-316
Abstract: We have investigated the electrodynamic response of UPd2Al3 both above and below the antiferromagnetic phase transition at TN = 14 K. At low temperatures, we observe the formation of a low-frequency narrow resonance, which indicates the development of the many-body coherent state. However, we do not fmd any evidence of a gap absorption associated with a spin-density-wave state, which would develop if the state arised as a consequence of a Fermi surface instability.
Appears in Collections:15 Fakultätsübergreifend / Sonstige Einrichtung

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