Universality in the Magnetic Response of Metamagnetic Metals

Abstract

We report in this paper, measurements of the nonlinear susceptibility χ_sub3(T) in the metamagnetic heavy fermion (HF) compound UPt3. At high temperatures, χ_sub3(T) < 0 and small. It turns positive for T less than 35K, forms a peak at T = 10K and then decreases to zero with further decreasing temperature. The peak in χ_sub3 occurs at a temperature T3 roughly half of T1, the temperature of the maximum in the linear susceptibility. We present results on URu2Si2 and UPd2Al3 to show that this feature is common to other HF materials. A two level model to describe the metamagnetic transition, with separation between the levels being the only energy scale, captures all experimentally observed features.

arXiv comment13 pages, 4 figures

References in corpus (8)

• Universal scaling relation in high-temperature superconductors
• Nonlinear Susceptibility: A Direct Test of the Quadrupolar Kondo Effect in UBe(13)
• Mean Field study of the heavy fermion metamagnetic transition
• Correlated-electron theory of strongly anisotropic metamagnets
• Anderson lattice with explicit Kondo coupling: general features and the field-induced suppression of heavy-fermion state in ferromagnetic phase
• Properties of an almost localized Fermi liquid in applied magnetic field revisited: Statistically consistent Gutzwiller approach
• Quasiparticle properties of strongly correlated electron systems with itinerant metamagnetic behavior
• Basal-Plane Nonlinear Susceptibility: A Direct Probe of the Single-Ion Physics in URu2Si2

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• High Field Ultrasound Measurements in UPt3 and the Single Energy Scale Model of Metamagnetism
• The Linear and Non-linear Magnetic Response of a Tri-Uranium Single Molecule Magnet
• Nonlinear Pauli Susceptibilities in Sr${}_3$Ru${}_2$O${}_7$ and Universal Features of Itinerant Metamagnetism
• Field-induced anomaly in the anisotropic non-Fermi-liquid normal state of UBe${}_{13}$
• The CeMIn5 (M = Rh, Ir and Co) System and the Single Energy Scale Model of Metamagnetism