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Squeezing dynamics of a nanowire system with spin-orbit interaction
R I Mohamed1, Ahmed Farouk2, A H Homid3
1Department of Mathematics and Computer Science, Faculty of Science, Beni-Suef University, Beni-Suef, 62511, Egypt. rabea_mohamed@science.bsu.edu.eg.
Scientific Reports
|July 12, 2018
Summary
Entropy squeezing is a more sensitive measure of quantum squeezing in ballistic quantum wires. Spin-orbit interaction and initial states significantly influence squeezing strength and components.
Area of Science:
- Quantum physics
- Condensed matter physics
- Mesoscopic systems
Background:
- Quantum squeezing is crucial for quantum information processing.
- Ballistic quantum wires with Rashba spin-orbit interaction are key systems for studying quantum phenomena.
- Understanding magnetic field effects on quantum states is essential.
Purpose of the Study:
- To analyze the dynamics of squeezing in a ballistic quantum wire.
- To investigate the role of Rashba spin-orbit interaction and magnetic fields.
- To compare entropy squeezing with variance-based measures.
Main Methods:
- Theoretical analysis of quantum dynamics.
- Inclusion of Rashba spin-orbit interaction.
- Consideration of strong and weak magnetic fields.
- Examination of various initial quantum states.
Main Results:
- Entropy squeezing is a more sensitive indicator of quantum squeezing than variance-based measures.
- A strong correlation exists between spin-orbit interaction strength and entropy squeezing.
- The initial state of the system dictates the number of squeezed components.
- Magnetic field strength influences the dynamics of squeezing.
Conclusions:
- Entropy squeezing offers enhanced sensitivity for detecting quantum squeezing.
- Rashba spin-orbit interaction and initial states provide tunable control over squeezing.
- These findings offer new methods for manipulating quantum squeezing in nanowire systems.
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