Statistical Mixture of Kaleidoscope States Interacting with a Two-Level Atom: Entropy and Purification
We investigate some of the fundamental features of the interaction of a mixture of coherent states, namely, a Kaleidoscope states mixture, with two-level atoms in the Jaynes–Cummings model framework. We begin our analysis by calculating the von Neumann entropy of the field, which is determined with...
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| Format: | Article |
| Language: | English |
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MDPI AG
2023-01-01
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| Series: | Photonics |
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| Online Access: | https://www.mdpi.com/2304-6732/10/2/150 |
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| author | Jorge A. Anaya-Contreras Arturo Zúñiga-Segundo Héctor M. Moya-Cessa |
| author_facet | Jorge A. Anaya-Contreras Arturo Zúñiga-Segundo Héctor M. Moya-Cessa |
| author_sort | Jorge A. Anaya-Contreras |
| collection | DOAJ |
| description | We investigate some of the fundamental features of the interaction of a mixture of coherent states, namely, a Kaleidoscope states mixture, with two-level atoms in the Jaynes–Cummings model framework. We begin our analysis by calculating the von Neumann entropy of the field, which is determined with the help of the virtual atom method. The oscillations appearing in the entropy indicate a state of purity greater than the initial state, i.e., a purification of the initial state due to a transfer of coherence from the atom to the field. In this oscillatory region, we obtain a negative Wigner function that hints at a (noisy) multiple Schrödinger cat. |
| first_indexed | 2024-03-11T08:16:19Z |
| format | Article |
| id | doaj.art-eb2f71833a744869ac4602051c92a555 |
| institution | Directory Open Access Journal |
| issn | 2304-6732 |
| language | English |
| last_indexed | 2024-03-11T08:16:19Z |
| publishDate | 2023-01-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Photonics |
| spelling | doaj.art-eb2f71833a744869ac4602051c92a5552023-11-16T22:45:04ZengMDPI AGPhotonics2304-67322023-01-0110215010.3390/photonics10020150Statistical Mixture of Kaleidoscope States Interacting with a Two-Level Atom: Entropy and PurificationJorge A. Anaya-Contreras0Arturo Zúñiga-Segundo1Héctor M. Moya-Cessa2ESFM Departamento de Física, Edificio 9 Unidad Profesional Adolfo López Mateos, Instituto Politécnico Nacional, México 07738, MexicoESFM Departamento de Física, Edificio 9 Unidad Profesional Adolfo López Mateos, Instituto Politécnico Nacional, México 07738, MexicoInstituto Nacional de Astrofísica, Óptica y Electrónica, Calle Luis Enrique Erro No. 1, Sta. María Tonantzintla, Puebla 72840, MexicoWe investigate some of the fundamental features of the interaction of a mixture of coherent states, namely, a Kaleidoscope states mixture, with two-level atoms in the Jaynes–Cummings model framework. We begin our analysis by calculating the von Neumann entropy of the field, which is determined with the help of the virtual atom method. The oscillations appearing in the entropy indicate a state of purity greater than the initial state, i.e., a purification of the initial state due to a transfer of coherence from the atom to the field. In this oscillatory region, we obtain a negative Wigner function that hints at a (noisy) multiple Schrödinger cat.https://www.mdpi.com/2304-6732/10/2/150Kaleidoscope-statesmixed-statesvirtual-atom |
| spellingShingle | Jorge A. Anaya-Contreras Arturo Zúñiga-Segundo Héctor M. Moya-Cessa Statistical Mixture of Kaleidoscope States Interacting with a Two-Level Atom: Entropy and Purification Photonics Kaleidoscope-states mixed-states virtual-atom |
| title | Statistical Mixture of Kaleidoscope States Interacting with a Two-Level Atom: Entropy and Purification |
| title_full | Statistical Mixture of Kaleidoscope States Interacting with a Two-Level Atom: Entropy and Purification |
| title_fullStr | Statistical Mixture of Kaleidoscope States Interacting with a Two-Level Atom: Entropy and Purification |
| title_full_unstemmed | Statistical Mixture of Kaleidoscope States Interacting with a Two-Level Atom: Entropy and Purification |
| title_short | Statistical Mixture of Kaleidoscope States Interacting with a Two-Level Atom: Entropy and Purification |
| title_sort | statistical mixture of kaleidoscope states interacting with a two level atom entropy and purification |
| topic | Kaleidoscope-states mixed-states virtual-atom |
| url | https://www.mdpi.com/2304-6732/10/2/150 |
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