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Critical thermalization of a disordered dipolar spin system in diamond
https://repo.qst.go.jp/records/73409
https://repo.qst.go.jp/records/73409526a6047-f955-4d19-8b58-f2ba9951b10c
| Item type | 学術雑誌論文 / Journal Article(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2019-02-14 | |||||
| タイトル | ||||||
| タイトル | Critical thermalization of a disordered dipolar spin system in diamond | |||||
| 言語 | ||||||
| 言語 | eng | |||||
| 資源タイプ | ||||||
| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
| 資源タイプ | journal article | |||||
| アクセス権 | ||||||
| アクセス権 | metadata only access | |||||
| アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
| 著者 |
Kucsko, Georg
× Kucsko, Georg× Choi, Soonwon× Choi, Joonhee× C. Maurer, Peter× Zhou, Hengyun× Landig, Renate× Sumiya, Hitoshi× Onoda, Shinobu× Isoya, Junich× Jelezko, Fedor× Demler, Eugene× Y. Yao, Norman× D. Lukin, Mikhail× Onoda, Shinobu |
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| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | Statistical mechanics underlies our understanding of macroscopic quantum systems. It is based on the assumption that out-of-equilibrium systems rapidly approach their equilibrium states, forgetting any information about their microscopic initial conditions. This fundamental paradigm is challenged by disordered systems, in which a slowdown or even absence of thermalization is expected. We report the observation of critical thermalization in a three dimensional ensemble of ∼ 10 6 electronic spins coupled via dipolar interactions. By controlling the spin states of nitrogen vacancy color centers in diamond, we observe slow, subexponential relaxation dynamics and identify a regime of power-law decay with disorder-dependent exponents; this behavior is modified at late times owing to many-body interactions. These observations are quantitatively explained by a resonance counting theory that incorporates the effects of both disorder and interactions. |
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| 書誌情報 |
Physical Review Letters 巻 121, 号 2, p. 023601-1-023601-5, 発行日 2018-07 |
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| 出版者 | ||||||
| 出版者 | American Physics Society | |||||
| DOI | ||||||
| 識別子タイプ | DOI | |||||
| 関連識別子 | 10.1103/PhysRevLett.121.023601 | |||||
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Kucsko, Georg, Choi, Soonwon, Choi, Joonhee, C. Maurer, Peter, Zhou, Hengyun, Landig, Renate, Sumiya, Hitoshi, Onoda, Shinobu, Isoya, Junich, Jelezko, Fedor, Demler, Eugene, Y. Yao, Norman, D. Lukin, Mikhail, Onoda, Shinobu, n.d., Critical thermalization of a disordered dipolar spin system in diamond: American Physics Society, 023601-1-023601-5 p.
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