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Resonances crossing in double-well quantum systems.
1Department of Physics, Informatics and Mathematics, University of Modena e Reggio Emilia, Modena, Italy.
Summary
Quantum resonances exhibit complex beating motions. This study introduces a criterion to distinguish resonance crossings, crucial for developing electric field quantum sensors.
Area of Science:
- Quantum mechanics
- Condensed matter physics
Background:
- Double-well systems exhibit beating motion when energy levels align.
- Quantum resonances introduce complexity with two types of resonance crossings (RCs).
- Beating motion in quantum resonances is specific to one type of RC.
Purpose of the Study:
- To develop a quantitative criterion for distinguishing between the two types of RCs.
- To enable the design of quantum sensors for electric field detection.
Main Methods:
- Analysis of quantum resonance behavior in the complex plane.
- Development and application of a quantitative criterion to classify RCs.
Main Results:
- Identified a specific criterion to differentiate between the two types of RCs.
- Demonstrated that beating motion is exclusive to one type of RC.
Conclusions:
- The developed criterion is essential for understanding quantum resonance phenomena.
- This research facilitates the creation of heterostructure-based quantum sensors for precise electric field measurements.
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