Entanglement and parametric resonance in driven quantum systems
We study the relationship between entanglement and parametric resonance in a system of two coupled time-dependent oscillators. As a measure of bipartite entanglement, we calculate the linear entropy for the reduced density operator, from which we study the entanglement dynamics. In particular, we fi...
- Autores:
- Tipo de recurso:
- Fecha de publicación:
- 2010
- Institución:
- Minciencias
- Repositorio:
- Repositorio Minciencias
- Idioma:
- eng
- OAI Identifier:
- oai:repositorio.minciencias.gov.co:20.500.14143/21666
- Acceso en línea:
- https://repositorio.minciencias.gov.co/handle/20.500.14143/21666
- Palabra clave:
- Fluorescencia
Propiedades químicas
Química cuántica
Química física
Números cuánticos
Electrónica molecular
- Rights
- License
- http://purl.org/coar/access_right/c_f1cf
| Summary: | We study the relationship between entanglement and parametric resonance in a system of two coupled time-dependent oscillators. As a measure of bipartite entanglement, we calculate the linear entropy for the reduced density operator, from which we study the entanglement dynamics. In particular, we find that the bipartite entanglement increases in time up to a maximal mixing scenario, when the set of auxiliary dynamical parameters are under parametric resonance. Moreover, we obtain a closed relationship between the correlations in the ground state, the localisation of the Wigner function in phase space, and the localisation of the wave function of the total system. |
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