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Updated: Aug 6, 2026

Methods of Ex Situ and In Situ Investigations of Structural Transformations: The Case of Crystallization of Metallic Glasses
Published on: June 7, 2018
Quantum annealing of a disordered magnet
1The James Franck Institute and Department of Physics, The University of Chicago, Chicago, IL 60637, USA. NEC Research Institute, 4 Independence Way, Princeton, NJ 08540, USA.
Quantum annealing uses quantum tunneling for faster optimization problem convergence compared to traditional simulated annealing. This quantum approach shows potential for significantly reduced computation times in complex problems.
Area of Science:
- Physics
- Computational Science
Background:
- Traditional simulated annealing relies on thermal fluctuations to solve optimization problems.
- Quantum tunneling offers an alternative mechanism for state transitions with potential for faster convergence.
Purpose of the Study:
- To compare the performance of thermal and quantum annealing methods.
- To investigate the impact of quantum mechanics on optimization convergence rates.
Main Methods:
- A model disordered magnet was used for comparison.
- An applied magnetic field was varied to tune quantum mechanical effects.
Main Results:
- Quantum annealing demonstrated a faster convergence to the optimum state compared to thermal annealing.
- The study quantified the influence of quantum effects on annealing processes.
Conclusions:
- Quantum annealing presents a more efficient approach for certain optimization problems.
- Harnessing quantum phenomena can accelerate the discovery of optimal solutions.
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