Phase and Amplitude Modes in the Anisotropic Dicke Model with Matter Interactions
Ricardo Herrera Romero1, Miguel Angel Bastarrachea-Magnani1
1Departamento de Física, Universidad Autónoma Metropolitana-Iztapalapa, Av. Ferrocarril San Rafael Atlixco 186, Mexico City C.P. 09310, Mexico.
Entropy (Basel, Switzerland)
|July 26, 2024
Summary
We explored phase and amplitude modes in an anisotropic Dicke model. Novel phenomena were revealed due to anisotropy and matter interactions, aiding quantum information platforms.
Area of Science:
- Quantum physics
- Condensed matter physics
- Quantum optics
Background:
- Phase and amplitude modes, also known as polariton modes, are emergent phenomena observed in various physical systems.
- These modes are crucial for understanding collective interactions in quantum systems.
Purpose of the Study:
- To investigate the behavior of phase and amplitude modes within an anisotropic Dicke model.
- To analyze the interplay between anisotropy and collective matter interactions.
Main Methods:
- Utilized the Holstein-Primakoff transformation to study the low-lying spectrum in the thermodynamic limit.
- Contrasted results with a semi-classical energy surface derived from coherent states.
- Explored the geometric phase for boson and spin contours in parameter space.
Main Results:
- Unveiled novel phenomena arising from the critical features of anisotropic and matter interactions.
- Identified unique spectral properties and geometric phase behaviors.
Conclusions:
- The study provides insights into the complex behavior of polariton modes in anisotropic systems.
- Results are expected to facilitate the observation of phase and amplitude modes in quantum information platforms.
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