Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2002-08-15
Phys. Rev. B 67, 014504 (2003)
Physics
Condensed Matter
Strongly Correlated Electrons
12 pages REVTEX, 6 figures
Scientific paper
10.1103/PhysRevB.67.014504
Starting from the quasi one-dimensional kinetic energy of the d_{yz} and d_{zx} bands we derive a bosonized description of the correlated electron system in Sr_2RuO_4. 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.
Emery Victor J.
Werner Ralph
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