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Dresden 2014 – scientific programme

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TT: Fachverband Tiefe Temperaturen

TT 79: Correlated Electrons - Poster Session

TT 79.33: Poster

Wednesday, April 2, 2014, 15:00–19:00, P2

Disorder-driven Coulomb gas transitions — •Stefan Wolff and Simon Trebst — Institut for Theoretical Physics, University of Cologne, 50937 Cologne, Germany

Coulomb gases with power-law correlations emerge as effective low-temperature description of various frustrated magnets where the low-temperature states obey certain local constraints. An even more direct realization of a Coulomb phase is provided by close-packed dimer models on bipartite lattices. Here we report results from extensive numerical simulations of such dimer models, where we study the characteristics of the phase transition induced by static disorder of the lattice, i.e. site and/or bond percolation.

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