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Nonequilibrium transient phenomena in the washboard potential
Chungho Cheng1, Matteo Cirillo2, Gaetano Salina3
1Department of Mechanical and Aerospace Engineering, University of California, Davis, California 95616, USA.
Physical Review. E
|August 17, 2018
Summary
Investigating transient dynamics in washboard potentials reveals how initial conditions influence escape event statistics. These findings offer insights into driven one-dimensional systems, particularly Josephson junctions.
Area of Science:
- Condensed Matter Physics
- Nonlinear Dynamics
Background:
- Washboard potentials model systems with periodic potentials.
- Understanding transient dynamics is crucial for predicting system behavior.
Purpose of the Study:
- To investigate the transient properties of one-dimensional washboard potentials.
- To analyze the impact of initial conditions on escape event statistics.
- To provide insights into driven one-dimensional systems.
Main Methods:
- Linear increase of the potential tilt.
- Analysis of escape distributions under varying initial conditions.
- Focus on parameter sets relevant to Josephson junctions.
Main Results:
- Observed modulations in escape event statistics are linked to transient properties.
- Initial conditions significantly affect the escape distribution.
- Overall statistics can be interpreted through system parameters.
Conclusions:
- The study provides a framework for understanding escape dynamics in driven washboard potentials.
- Findings are applicable to Josephson junctions and similar condensed matter systems.
- Transient properties offer valuable perspectives on system behavior.
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