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Updated: Apr 15, 2026
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Methods of Ex Situ and In Situ Investigations of Structural Transformations: The Case of Crystallization of Metallic Glasses
Published on: June 7, 2018
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Crystallization in Ising quantum magnets.
P Schauß1, J Zeiher2, T Fukuhara2
1Max-Planck-Institut für Quantenoptik, 85748 Garching, Germany. peter.schauss@mpq.mpg.de.
Science (New York, N.Y.)
|March 28, 2015
Summary
Researchers created crystalline ground states in quantum magnets using Rydberg atoms. This breakthrough allows direct observation of self-ordered phases and paves the way for studying quantum correlations.
Area of Science:
- Quantum physics
- Condensed matter physics
- Atomic physics
Background:
- Finite-range interactions in many-body systems drive self-ordered phases.
- Ising models with power-law interactions are fundamental for studying these phases in quantum magnets.
- Laser-coupled ultracold atoms in Rydberg states provide a platform for implementing such models.
Purpose of the Study:
- To experimentally prepare crystalline ground states in Rydberg-interacting spin systems.
- To investigate the emergence of self-ordered phases in these systems.
- To demonstrate precise control over Rydberg many-body systems.
Main Methods:
- Utilizing laser coupling to excite ultracold atoms to Rydberg states, creating interacting spin systems.
- Implementing Ising models with power-law interactions.
- Observing the system's response as a function of system size.
Main Results:
- Successful preparation of crystalline ground states in the Rydberg spin system.
- Observation of a distinct magnetization staircase behavior with increasing system size.
- Direct evidence for the emergence of crystalline states characterized by vanishing magnetic susceptibility.
Conclusions:
- The experiment demonstrates precise control over Rydberg many-body systems.
- The findings validate the theoretical predictions for Ising models with power-law interactions.
- This work opens avenues for future research into quantum phase transitions and correlations in quantum magnets.
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