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Article overview
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Electron dephasing near zero temperature: an experimental review | | J. J. Lin
; T. J. Li
; Y. L. Zhong
; | | Date: |
12 Sep 2002 | | Journal: | J. Phys. Soc. Jpn. 72, 7 (2003), Suppl. A | | Subject: | Mesoscopic Systems and Quantum Hall Effect | cond-mat.mes-hall | | Abstract: | The behavior of the electron dephasing time near zero temperature, $ au_phi^0$, has recently attracted vigorous attention. This renewed interest is primarily concerned with whether $ au_phi^0$ should reach a finite or an infinite value as $T o$ 0. While it is accepted that $ au_phi^0$ should diverge if there exists only electron-electron (electron-phonon) scattering, several recent measurements have found that $ au_phi^0$ depends only very weakly on temperature, if at all, when $T$ is sufficiently low. This article discusses the current experimental status of "the saturation problem", and concludes that the origin(s) for this widely observed saturation are still unresolved. | | Source: | arXiv, cond-mat/0209275 | | Services: | Forum | Review | PDF | Favorites | |
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