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Hysteresis and Noise in Stripe and Clump Forming Systems | | C. Reichhardt
; C.J. Olson Reichhardt
; A.R. Bishop
; | | Date: |
11 Mar 2005 | | Subject: | Strongly Correlated Electrons; Statistical Mechanics | cond-mat.str-el cond-mat.stat-mech | | Abstract: | We use simulations to examine hysteresis and noise in a model system that produces heterogeneous orderings including stripe and clump phases. In the presence of a disordered substrate, these heterogeneous phases exhibit 1/f$^alpha$ noise and hysteresis in transport. The noise fluctuations are maximal in the heterogeneous phases, while in the uniform phases the hysteresis vanishes and both $alpha$ and the noise power decrease. We compare our results to recent experiments exhibiting noise and hysteresis in high-temperature superconductors where charge heterogeneities may occur. | | Source: | arXiv, cond-mat/0503261 | | Services: | Forum | Review | PDF | Favorites | |
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