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Shirakawa, T.; Nishimoto, S.; Ohta, Y.; Fukuyama, H.: Disorder and superconductivity in doped semiconductor nanotubes. In: Journal of Physics: Conference Series 150 (2009), Nr. 5, 52238. DOI: https://doi.org/10.1088/1742-6596/150/5/052238
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Sum total of downloads: 71
| Abstract: | |
Finite-size systems of the one-dimensional attractive Hubbard model with random potential are studied as an effective model for doped semiconductor nanotubes. We calculate the binding energy of Cooper pairs and pair correlation function by the density-matrix renormalization group method. We show that, when the scattering potential is strong, there appears the ground state where Cooper pairs are formed but are localized spatially, with a decay length of pair correlation smaller than the system size. Experimental relevance is discussed. © 2009 IOP Publishing Ltd. | |
| License of this version: | CC BY 3.0 Unported |
| Document Type: | Article |
| Publishing status: | publishedVersion |
| Issue Date: | 2009 |
| Appears in Collections: | Fakultät für Mathematik und Physik |
distribution of downloads over the selected time period:
downloads by country:
| pos. | country | downloads | ||
|---|---|---|---|---|
| total | perc. | |||
| 1 |  |
Germany | 39 | 54.93% |
| 2 |  |
United States | 20 | 28.17% |
| 3 |  |
China | 8 | 11.27% |
| 4 |  |
Taiwan | 1 | 1.41% |
| 5 |  |
Russian Federation | 1 | 1.41% |
| 6 |  |
France | 1 | 1.41% |
| 7 |  |
Brazil | 1 | 1.41% |
Further download figures and rankings:
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