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Article overview
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Absence of Two-Dimensional Bragg Glasses | | Chen Zeng
; Paul L. Leath
; Daniel S. Fisher
; | | Date: |
20 Jul 1998 | | Subject: | Disordered Systems and Neural Networks | cond-mat.dis-nn | | Affiliation: | Rutgers), Paul L. Leath (Rutgers), and Daniel S. Fisher (Harvard | | Abstract: | The stability to dislocations of the elastic phase, or ``Bragg glass’’, of a randomly pinned elastic medium in two dimensions is studied using the minimum-cost-flow algorithm for a disordered fully-packed loop model. The elastic phase is found to be unstable to dislocations due to the quenched disorder. The energetics of dislocations are discussed within the framework of renormalization group predictions as well as in terms of a domain wall picture. | | Source: | arXiv, cond-mat/9807281 | | Services: | Forum | Review | PDF | Favorites | |
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