Enhancing analogue Unruh effect via superradiance in a cylindrical cavity

Summary

The Unruh effect, a phenomenon where accelerating observers perceive the vacuum as a thermal state, can be enhanced and detected using a cylindrical cavity and superradiance. This setup allows for the observation of relativistic effects at lower accelerations.

Highlights

• Enhancing the Unruh effect using a cylindrical cavity and superradiance.
• Detection of relativistic effects at lower accelerations.
• Superradiance amplifies the emission rate of atoms.
• Cylindrical cavity modifies the field modes, enhancing the Unruh effect.
• Collective coupling of atoms increases the emission rate.
• Stimulated emission rate is enhanced by input coherent state and Dicke-like superradiance.
• Equilibrium state of atoms and negative temperature.

Key Insights

• The Unruh effect is a fundamental phenomenon in quantum field theory, where accelerating observers perceive the vacuum as a thermal state. By using a cylindrical cavity and superradiance, the effect can be enhanced and detected at lower accelerations.
• The use of a cylindrical cavity modifies the field modes, allowing for a greater enhancement of the Unruh effect. This setup provides a more feasible way to observe relativistic effects in laboratory settings.
• Superradiance plays a crucial role in amplifying the emission rate of atoms. By collectively coupling the atoms, the emission rate is increased, making it more detectable.
• The stimulated emission rate is significantly enhanced by the input coherent state and Dicke-like superradiance. This enhancement allows for a more efficient detection of the Unruh effect.
• The equilibrium state of atoms in the system exhibits a negative temperature, indicating a higher energy state. This phenomenon is a result of the interplay between the Unruh effect and the superradiance.
• The setup proposed in this study provides a novel approach to detecting relativistic effects in laboratory settings. By exploiting the Unruh effect and superradiance, researchers can explore the intersection of quantum mechanics and relativity.
• The findings of this study have implications for the development of new detection methods for relativistic effects. By utilizing a cylindrical cavity and superradiance, researchers can create more sensitive detectors for the Unruh effect.

Mindmap

Citation

Zheng, H.-T., Zhou, X.-F., Guo, G.-C., & Zhou, Z.-W. (2024). Enhancing analogue Unruh effect via superradiance in a cylindrical cavity (Version 1). arXiv. https://doi.org/10.48550/ARXIV.2412.17353