Multiple Quantum Phase Transitions of Plutonium compounds

Details Multiple Quantum Phase Transitions of Plutonium compounds Multiple Quantum Phase Transitions of Plutonium compounds

2011-01-08

arxiv.org/abs/1101.1582v2

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, 3 figures, 2 tables, references updated

Scientific paper

We show by quantum Monte Carlo simulations of realistic Kondo lattice models derived from electronic--structure calculations that multiple quantum critical points can be realized in Plutonium--based materials. We place representative systems including PuCoGa5 on a realistic Doniach phase diagram and identify the regions where the magnetically mediated superconductivity could occur. Solution of an inverse problem to restore the quasiparticle renormalization factor for f-electrons is shown to be sufficiently good to predict the trends among Sommerfeld coefficients and magnetism. Suggestion on the possible experimental verification for this scenario is given for PuAs.

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