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Glassy behavior of two-dimensional stripe-forming systems
Ana C Ribeiro Teixeira1, Daniel A Stariolo, Daniel G Barci
1Departamento de Física, Universidade Federal do Rio Grande do Sul, CP 15051, 91501-970 Porto Alegre, RS, Brazil.
Summary
This study reveals a glass transition in frustrated 2D systems, leading to numerous long-lived states. These states explain slow dynamics and nonequilibrium effects in models relevant to superconductors and magnetic films.
Area of Science:
- Condensed Matter Physics
- Statistical Mechanics
Background:
- Frustrated and nondisordered 2D systems exhibit complex behaviors.
- Models with competing interactions are relevant to high-temperature superconductors and ferromagnetic films.
Purpose of the Study:
- Investigate the dynamics and phase transitions in 2D frustrated systems.
- Characterize the nature of metastability and its impact on system behavior.
Main Methods:
- Application of a replica approach to a stripe-forming model.
- Analysis of systems with competing interactions.
Main Results:
- Established the existence of a glass transition.
- Identified an exponential number of long-lived metastable states.
- Linked these states to slow dynamics and nonequilibrium effects.
Conclusions:
- The replica approach effectively models complex dynamics in frustrated 2D systems.
- Glass transitions and metastability are key features of these systems, impacting their physical properties.
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