Simulations of noise in disordered systems

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Description

We use particle dynamics simulations to probe the correlations between noise and dynamics in a variety of disordered systems, including super conducting vortices, 2D electron liquid crystals, colloids, domain walls, and granular media. The noise measurements offer an experimentally accessible link to the microscopic dynamics, such as plastic versus elastic flow during transport, and can provide a signature of dynamical reordering transitions in the system. We consider broad and narrow band noise in transport systems, as well as the fluctuations of dislocation density in a system near the melting transition.

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10 p.

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Reichhardt, C. (Charles) & Reichhardt, C. J. (Cynthia J.) January 1, 2003.

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Description

We use particle dynamics simulations to probe the correlations between noise and dynamics in a variety of disordered systems, including super conducting vortices, 2D electron liquid crystals, colloids, domain walls, and granular media. The noise measurements offer an experimentally accessible link to the microscopic dynamics, such as plastic versus elastic flow during transport, and can provide a signature of dynamical reordering transitions in the system. We consider broad and narrow band noise in transport systems, as well as the fluctuations of dislocation density in a system near the melting transition.

Physical Description

10 p.

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  • Submitted to: SPIE conference proceedings, 1st International Symposium on Fluctuations and Noise, June 2-4, 2003, Santa Fe, NM

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  • Report No.: LA-UR-03-2854
  • Grant Number: none
  • Office of Scientific & Technical Information Report Number: 976624
  • Archival Resource Key: ark:/67531/metadc933784

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Office of Scientific & Technical Information Technical Reports

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  • January 1, 2003

Added to The UNT Digital Library

  • Nov. 13, 2016, 7:26 p.m.

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  • Dec. 12, 2016, 4:49 p.m.

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Reichhardt, C. (Charles) & Reichhardt, C. J. (Cynthia J.). Simulations of noise in disordered systems, article, January 1, 2003; United States. (digital.library.unt.edu/ark:/67531/metadc933784/: accessed December 11, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.