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Development of the High-Field Heavy-Fermion Ground State inCexLa1−xB6Intermetallics
1999
Physical Review Letters
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de Haas -van Alphen measurements in Ce x La 12x B 6 intermetallics reveal the existence of long-lived quasiparticles for all 0 , x , 1. This is accompanied by the enhancement of the field-dependent effective mass, together with changes to the topology of the Fermi surface developing very early in the series, and with the effective mass eventually exhibiting a maximum near x ϳ 0.9. One of the spin contributions to the signal is also observed to disappear at very low x, indicating a spin
doi:10.1103/physrevlett.82.3669
fatcat:lzw5oh324vcavhki4vb2jokmby