Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2004-11-19
Was presented at SCES-04 in Karlsruhe 26-30.07.2004 as TU-RES2-131
Physics
Condensed Matter
Strongly Correlated Electrons
2 pages LaTeX(Elsevier Science class), 1 figure
Scientific paper
10.1016/j.physb.2005.01.049
We describe the experimentally revealed by Sichelschmidt et al, Phys. Rev. Lett. 91 (2003) 156401, g tensor, g_perpendicular=3.561 and g_parallel=0.17, at 5 K by means of crystal field interactions of the 4f13 configuration of the Yb3+ ion of YbRh2Si2 in a slightly orthorhombically distorted tetragonal crystal field. We have shown that the temperature dependence of the quadrupolar interactions Q(T) of the Yb nucleous will help to distinguish between Gamma_7 and Gamma_6 ground state. For the Gamma_7 ground state Q(T) is expected to exhibits an anomalous dependence. Keywords: heavy fermion, crystal field, quadrupolar moment,YbRh2Si2
Radwanski R. J.
Ropka Z.
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