Abstract
The heavy-fermion metal CePd1−xRhx evolves from ferromagnetism at x=0 to a non-magnetic state at some critical concentration xc. Utilizing the quasiparticle picture and the concept of fermion condensation quantum phase transition (FCQPT), we address the question about non-Fermi liquid (NFL) behavior of ferromagnet CePd1−xRhx and show that it coincides with that of both antiferromagnet YbRh2(Si0.95Ge0.05)2 and paramagnets CeRu2Si2 and CeNi2Ge2. We conclude that the NFL behavior being independent of the peculiarities of specific alloy, is universal, while numerous quantum critical points assumed to be responsible for the NFL behavior of different HF metals can be well reduced to the only quantum critical point related to FCQPT.
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