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Novel universality classes of coupled driven diffusive systems.

Abhik Basu1, Erwin Frey

  • 1Poornaprajna Institute of Scientific Research, Bangalore, India.

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
|March 5, 2004
PubMed
Summary
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Cross correlations in driven diffusive systems with coupled fields alter universal properties. These correlations continuously tune amplitude ratios and scaling exponents, impacting experimental systems.

Area of Science:

  • Physics
  • Complex Systems
  • Statistical Mechanics

Background:

  • Dynamic roughening phenomena observed in disordered systems and magnetohydrodynamics.
  • Driven diffusive systems with coupled fields exhibit complex behaviors.

Purpose of the Study:

  • To investigate the universal properties of driven diffusive systems with coupled fields.
  • To understand how cross-correlations influence system dynamics and scaling behavior.

Main Methods:

  • Theoretical analysis of driven diffusive systems.
  • Examination of coupled field interactions and their impact on universal properties.

Main Results:

  • Cross correlations between fields lead to continuously varying amplitude ratios.

Related Experiment Videos

  • Scaling exponents are shown to depend continuously on the strength of cross correlations.
  • Demonstration of universality modifications due to field coupling.

    • Conclusions:

    • Cross correlations are a key factor in determining the universal properties of these systems.
    • The findings have implications for understanding and modeling various experimental systems exhibiting similar dynamics.