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Preparation of Free-Surface Hyperbolic Water Vortices
Published on: July 28, 2023
Reversible to irreversible flow transition in periodically driven vortices.
N Mangan1, C Reichhardt, C J Olson Reichhardt
1Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA.
Physical Review Letters
|June 4, 2008
Summary
Superconducting vortices transition from reversible to irreversible flow with increased density or cycle time. This dynamical phase transition mirrors behavior seen in sheared colloidal suspensions, offering new insights into driven vortex systems.
Area of Science:
- Condensed matter physics
- Materials science
Background:
- Periodically driven systems with quenched disorder can exhibit complex flow behaviors.
- Superconducting vortices are model systems for studying collective phenomena in disordered media.
- Similar transitions from reversible to irreversible flow have been observed in other complex fluids, like colloidal suspensions.
Purpose of the Study:
- To investigate the flow behavior of periodically driven superconducting vortices in the presence of quenched disorder.
- To determine if these systems exhibit a transition from reversible to irreversible flow.
- To compare the observed behavior with that of other driven complex systems, such as colloidal suspensions.
Main Methods:
- Simulations of periodically driven superconducting vortices.
- Analysis of vortex flow dynamics under varying vortex densities and cycle periods.
- Characterization of the transition as a dynamical phase transition.
Main Results:
- A transition from reversible to irreversible vortex flow was observed with increasing vortex density or cycle period.
- The behavior of driven superconducting vortices closely mimics that of periodically sheared colloidal suspensions.
- Evidence supporting the onset of irreversible behavior as a dynamical phase transition was found.
Conclusions:
- Periodically driven superconducting vortices exhibit a reversible-to-irreversible flow transition analogous to colloidal systems.
- This transition represents a dynamical phase transition, providing a unified understanding of driven disordered systems.
- Superconducting vortices serve as a valuable model for exploring complex flow dynamics and phase transitions.
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