Low temperature electronic properties of Sr₂RuO₄ I: Microscopic model and normal state properties
Werner, Ralph · Emery, V. J.
Original · EN
Starting from the quasi one-dimensional kinetic energy of the dyz and dzx bands we derive a bosonized description of the correlated electron system in Sr₂RuO₄. At intermediate coupling the magnetic correlations have a quasi one-dimensional component along the diagonals of the basal plane of the tetragonal unit cell that accounts for the observed neutron scattering results. Together with two-dimensional correlations the model consistently accounts for the normal phase specific heat, cyclotron mass enhancement, static susceptibility, and Wilson ratio and implies an anomalous high temperature resistivity.
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