Universal Behavior of Two-Dimensional 3He at Low Temperatures

Abstract

On the example of two-dimensional (2D) 3He we demonstrate that the main universal features of its experimental temperature T - density x phase diagram [see M. Neumann, J. Nyéki, J. Saunders, Science 317, 1356 (2007)] look like those in the heavy-fermion metals. Our comprehensive theoretical analysis of experimental situation in 2D 3He allows us to propose a simple expression for effective mass M^*(T,x), describing all diverse experimental facts in 2D 3He in unified manner and demonstrating that the universal behavior of M^*(T,x) coincides with that observed in HF metals.

4 pages, 5 figures

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• Fermi-liquid instabilities at magnetic quantum phase transitions
• Quantum criticality
• Anomalous Behavior of Thermodynamic Properties of Strongly Correlated Fermi Systems
• Ac Susceptibility and Static Magnetization Measurements of CeRu${}_2$Si${}_2$ at Small Magnetic Fields and Ultra Low Temperatures
• Quasiparticle picture of high temperature superconductors in the frame of Fermi liquid with the fermion condensate
• Universal low-temperature behavior of the CePd_{1-x}Rh_x ferromagnet

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