Universal Behavior of Two-Dimensional 3He at Low Temperatures

Details Universal Behavior of Two-Dimensional 3He at Low Temperatures Universal Behavior of Two-Dimensional 3He at Low Temperatures

2007-12-12

arxiv.org/abs/0712.1966v2

Phys. Rev. Lett. 100, 096406 (2008)

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, 5 figures

Scientific paper

10.1103/PhysRevLett.100.096406

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. Ny\'{e}ki, 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.

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