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Updated: Jun 21, 2026

Methods of Ex Situ and In Situ Investigations of Structural Transformations: The Case of Crystallization of Metallic Glasses
Published on: June 7, 2018
Structure of correlations in three dimensional spin glasses.
Pierluigi Contucci1, Cristian Giardinà, Claudio Giberti
1Università di Bologna, Piazza di Porta S.Donato 5, 40127 Bologna, Italy.
We studied the low-temperature phase of the 3D Edward-Anderson model. Our findings show overlap is a good order parameter, consistent with replica symmetry breaking theory.
Area of Science:
- Condensed Matter Physics
- Statistical Mechanics
Background:
- The Edward-Anderson model describes disordered magnetic systems.
- Understanding low-temperature phases is crucial for materials science.
Purpose of the Study:
- Investigate the low-temperature phase of the 3D Edward-Anderson model.
- Determine if overlap is a suitable order parameter.
Main Methods:
- Analysis of the Edward-Anderson model with Bernoulli random couplings.
- Examination of connected correlation functions at fixed overlap Q.
Main Results:
- The model exhibits the clustering property at fixed overlap Q.
- Connected correlation functions demonstrate power-law decay.
Conclusions:
- Overlap serves as an effective order parameter for this model.
- Results align with predictions from replica symmetry breaking theory.
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