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19 January 2025

» arxiv » cond-mat/0701114

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The Effect of Randomness on the Mott State
Thomas Nattermann ; Aleksandra Petkovic ; Zoran Ristivojevic ; Friedmar Schuetze ;
Date:	5 Jan 2007
Subject:	Strongly Correlated Electrons
Abstract:	We reinvestigate the competition between the Mott and the Anderson insulator state in a one-dimensional disordered fermionic system by a combination of instanton and renormalization group methods. Tracing back both the compressibility and the ac-conductivity to a vanishing kink energy of the electronic displacement field we do not find any indication for the existence of an intermediate (Mott glass) phase.
Source:	arXiv, cond-mat/0701114
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