Physics – Condensed Matter – Materials Science
Scientific paper
2003-05-19
Physics
Condensed Matter
Materials Science
Replaced with the revised version accepted for publication. References updated, errors corrected, other changes
Scientific paper
10.1103/PhysRevB.69.064429
Some of the most popular ways to treat quantum critical materials, that is, materials close to a magnetic instability, are based on the Landau functional. The central quantity of such approaches is the average magnitude of spin fluctuations, which is very difficult to measure experimentally or compute directly from the first principles. We calculate the parameters of the Landau functional for Pd and use these to connect the critical fluctuations beyond the local-density approximation and the band structure.
Larson Paul
Mazin Igor I.
Singh David J.
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