Intrinsic dissipative fluctuation rate in mesoscopic superconducting rings
The rate at which dissipative fluctuations occur in narrow superconducting rings is considered within the Little-Langer-Ambegaokar-McCumber-Halperin framework. The mesoscopic regime, in which the ring circumference [ital L] does not greatly exceed the correlation length [xi], is specifically address...
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| Veröffentlicht in: | Physical review. B, Condensed matter Condensed matter, 1994-01, Vol.49 (1), p.494-497 |
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| container_end_page | 497 |
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| container_title | Physical review. B, Condensed matter |
| container_volume | 49 |
| creator | Tarlie, MB Shimshoni, E Goldbart, PM |
| description | The rate at which dissipative fluctuations occur in narrow superconducting rings is considered within the Little-Langer-Ambegaokar-McCumber-Halperin framework. The mesoscopic regime, in which the ring circumference [ital L] does not greatly exceed the correlation length [xi], is specifically addressed. In this regime, significant differences arise between models that mimic voltage and current sources, the former (latter) exhibiting corrections to the fluctuation rate algebraic in [xi]/[ital L] (exponentially small in [ital L]/[xi]). The theory employs Forman's elaboration of the Gel'fand-Yaglom technique for computing fluctuation determinants. |
| doi_str_mv | 10.1103/PhysRevB.49.494 |
| format | Article |
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In this regime, significant differences arise between models that mimic voltage and current sources, the former (latter) exhibiting corrections to the fluctuation rate algebraic in [xi]/[ital L] (exponentially small in [ital L]/[xi]). The theory employs Forman's elaboration of the Gel'fand-Yaglom technique for computing fluctuation determinants.</abstract><cop>United States</cop><pmid>10009309</pmid><doi>10.1103/PhysRevB.49.494</doi><tpages>4</tpages></addata></record> |
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| ispartof | Physical review. B, Condensed matter, 1994-01, Vol.49 (1), p.494-497 |
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| source | American Physical Society Journals |
| subjects | 665411 - Basic Superconductivity Studies- (1992-) COHERENCE LENGTH CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY DIMENSIONS FLUCTUATIONS GINZBURG-LANDAU THEORY LENGTH MAGNETIC FLUX ONE-DIMENSIONAL CALCULATIONS RINGS SUPERCONDUCTORS VARIATIONS |
| title | Intrinsic dissipative fluctuation rate in mesoscopic superconducting rings |
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