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Article overview
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The glass transition and the Coulomb gap in electron glasses | M. Mueller
; L. B. Ioffe
; | Date: |
15 Jun 2004 | Journal: | Phys. Rev. Lett. 93, 256403 (2004) | Subject: | Disordered Systems and Neural Networks; Strongly Correlated Electrons | cond-mat.dis-nn cond-mat.str-el | Abstract: | We establish the connection between the presence of a glass phase and the appearance of a Coulomb gap in disordered materials with strongly interacting electrons. Treating multiparticle correlations in a systematic way, we show that in the case of strong disorder a continuous glass transition takes place whose Landau expansion is identical to that of the Sherrington-Kirkpatrick spin glass. We show that the marginal stability of the glass phase controls the physics of these systems: it results in slow dynamics and leads to the formation of a Coulomb gap. | Source: | arXiv, cond-mat/0406324 | Services: | Forum | Review | PDF | Favorites |
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