Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2007-01-10
Phys. Rev. Lett. 98, 196401 (2007)
Physics
Condensed Matter
Strongly Correlated Electrons
4 pages, 4 figures
Scientific paper
10.1103/PhysRevLett.98.196401
We study the statistics of local energy minima in the configuration space and the energy relaxation due to activated hopping in a system of interacting electrons in a random environment. The distribution of the local minima is exponential, which is in agreement with extreme value statistics considerations. The relaxation of the system energy shows logarithmic time dependence reflecting the ultrametric structure of the system.
Galperin Yu. M.
Glatz Andreas
Vinokur Valeri M.
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