Statistical aging and nonergodicity in the fluorescence of single nanocrystals
The relation between single particle and ensemble measurements is addressed for semiconductor CdSe nanocrystals. We record their fluorescence at the single molecule level and analyze their emission intermittency, which is governed by unusual random processes known as Lévy statistics. We report the o...
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| Veröffentlicht in: | Physical review letters 2003-03, Vol.90 (12), p.120601-120601, Article 120601 |
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| container_end_page | 120601 |
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| container_issue | 12 |
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| container_title | Physical review letters |
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| creator | Brokmann, X Hermier, J-P Messin, G Desbiolles, P Bouchaud, J-P Dahan, M |
| description | The relation between single particle and ensemble measurements is addressed for semiconductor CdSe nanocrystals. We record their fluorescence at the single molecule level and analyze their emission intermittency, which is governed by unusual random processes known as Lévy statistics. We report the observation of statistical aging and ergodicity breaking, both related to the occurrence of Lévy statistics. Our results show that the behavior of ensemble quantities, such as the total fluorescence of an ensemble of nanocrystals, can differ from the time-averaged individual quantities, and must be interpreted with care. |
| doi_str_mv | 10.1103/physrevlett.90.120601 |
| format | Article |
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We record their fluorescence at the single molecule level and analyze their emission intermittency, which is governed by unusual random processes known as Lévy statistics. We report the observation of statistical aging and ergodicity breaking, both related to the occurrence of Lévy statistics. 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| issn | 0031-9007 1079-7114 |
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| source | MEDLINE; American Physical Society Journals |
| subjects | Cadmium Compounds - chemistry Fluorescence Microscopy, Fluorescence - methods Nanotechnology - methods Quantum Theory Selenium Compounds - chemistry Statistics as Topic - methods |
| title | Statistical aging and nonergodicity in the fluorescence of single nanocrystals |
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