Mott–Hubbard transition in a 2D He fluid monolayer |
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Authors: | J. Saunders, A. Casey, H. Patel, J. Ny ki,B. Cowan |
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Affiliation: | Millikelvin Laboratory, Department of Physics, Royal Holloway University of London, Egham, Surrey TW20 0EX, UK |
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Abstract: | We discuss recent observations of the heat capacity and magnetization of a fluid 3He monolayer adsorbed on graphite plated with a bilayer of HD. Approaching the density at which the monolayer solidifies into a commensurate solid, we observe an apparent divergence of the effective mass. However, the inferred values of F0a tend to a constant. We interpret this in terms of a Mott–Hubbard transition between a 2D Fermi liquid and a magnetically disordered solid occurring via the Brinkman–Rice–Anderson–Vollhardt scenario. |
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Keywords: | 2D helium Fermi liquid 3He 2D Mott transition |
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