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Low Temperature Thermodynamic Properties of the Heavy Fermion Compound YbAgGe Close to the Field-Induced Quantum Critical Point
Y. Tokiwa, A. Pikul, P. Gegenwart +3
We present temperature and field dependent heat capacity and magnetization data taken at temperatures down to 50 mK and in an applied magnetic field up to 11.5 Tesla for YbAgGe, a…
Bose-Einstein Condensation of Magnons in Cs2CuCl4
T. Radu, H. Wilhelm, V. Yushankhai +5
We report on results of specific heat measurements on single crystals of the frustrated quasi-2D spin-1/2 antiferromagnet Cs_2CuCl_4 (T_N=0.595 K) in external magnetic fields B<12…
Two-Cannel Kondo Effect in Glass-Like ThAsSe
T. Cichorek, A. Sanchez, P. Gegenwart +7
We present low-temperature heat and charge transport as well as caloric properties of a ThAsSe single crystal. An extra -AT1/2 term in the electrical resistivity, independent of ma…
Ferromagnetic quantum critical fluctuations in YbRh_2(Si_{0.95}Ge_{0.05})_2
P. Gegenwart, J. Custers, Y. Tokiwa +2
The bulk magnetic susceptibility of YbRh(SiGe) has been investigated %by ac-and dc-magnetometry at low temperatures and close to the field-induce…