Maximum population transfer in a periodically driven quantum system
We study the dynamics of a two-level quantum system under the influence of sinusoidal driving in the intermediate-frequency regime. Analyzing the Floquet quasienergy spectrum, we find combinations of the field parameters for which population transfer is optimal and takes place through a series of we...
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2014
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| Acceso en línea: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10502947_v90_n6_p_Poggi http://hdl.handle.net/20.500.12110/paper_10502947_v90_n6_p_Poggi |
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paper:paper_10502947_v90_n6_p_Poggi2025-07-30T18:38:45Z Maximum population transfer in a periodically driven quantum system Wisniacki, Diego A. Quantum optics Analytical expressions Control protocols Evolution operator Frequency regimes Multi-level systems Population transfer Quasi-energy spectrum Sinusoidal driving Quantum electronics We study the dynamics of a two-level quantum system under the influence of sinusoidal driving in the intermediate-frequency regime. Analyzing the Floquet quasienergy spectrum, we find combinations of the field parameters for which population transfer is optimal and takes place through a series of well-defined steps of fixed duration. We also show how the corresponding evolution operator can be approximated at all times by a very simple analytical expression. We propose this model as being specially suitable for treating periodic driving at avoided crossings found in complex multilevel systems, and thus show a relevant application of our results to designing a control protocol in a realistic molecular model. © 2014 American Physical Society. Fil:Wisniacki, D.A. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 2014 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10502947_v90_n6_p_Poggi http://hdl.handle.net/20.500.12110/paper_10502947_v90_n6_p_Poggi |
| institution |
Universidad de Buenos Aires |
| institution_str |
I-28 |
| repository_str |
R-134 |
| collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
| topic |
Quantum optics Analytical expressions Control protocols Evolution operator Frequency regimes Multi-level systems Population transfer Quasi-energy spectrum Sinusoidal driving Quantum electronics |
| spellingShingle |
Quantum optics Analytical expressions Control protocols Evolution operator Frequency regimes Multi-level systems Population transfer Quasi-energy spectrum Sinusoidal driving Quantum electronics Wisniacki, Diego A. Maximum population transfer in a periodically driven quantum system |
| topic_facet |
Quantum optics Analytical expressions Control protocols Evolution operator Frequency regimes Multi-level systems Population transfer Quasi-energy spectrum Sinusoidal driving Quantum electronics |
| description |
We study the dynamics of a two-level quantum system under the influence of sinusoidal driving in the intermediate-frequency regime. Analyzing the Floquet quasienergy spectrum, we find combinations of the field parameters for which population transfer is optimal and takes place through a series of well-defined steps of fixed duration. We also show how the corresponding evolution operator can be approximated at all times by a very simple analytical expression. We propose this model as being specially suitable for treating periodic driving at avoided crossings found in complex multilevel systems, and thus show a relevant application of our results to designing a control protocol in a realistic molecular model. © 2014 American Physical Society. |
| author |
Wisniacki, Diego A. |
| author_facet |
Wisniacki, Diego A. |
| author_sort |
Wisniacki, Diego A. |
| title |
Maximum population transfer in a periodically driven quantum system |
| title_short |
Maximum population transfer in a periodically driven quantum system |
| title_full |
Maximum population transfer in a periodically driven quantum system |
| title_fullStr |
Maximum population transfer in a periodically driven quantum system |
| title_full_unstemmed |
Maximum population transfer in a periodically driven quantum system |
| title_sort |
maximum population transfer in a periodically driven quantum system |
| publishDate |
2014 |
| url |
https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10502947_v90_n6_p_Poggi http://hdl.handle.net/20.500.12110/paper_10502947_v90_n6_p_Poggi |
| work_keys_str_mv |
AT wisniackidiegoa maximumpopulationtransferinaperiodicallydrivenquantumsystem |
| _version_ |
1840324502367502336 |