Inhomogeneous dynamic nuclear polarization and suppression of electron polarization decay in a quantum dot
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- 作者：Na Wua ; b ; Wenkui Dingb ; Anqi Shib ; Wenxian Zhangb ; wxzhang@whu.edu.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：Dynamic nuclear polarization ; Quantum dot
- 刊名：Physics Letters A
- 出版年：2016
- 出版时间：12 August 2016
- 年：2016
- 卷：380
- 期：35
- 页码：2706-2712
- 全文大小：482 K
文摘
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Nuclear spin polarization is highly inhomogeneous after a dynamic nuclear polarization (DNP) process.
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The DNP process is well described by an analytical model based on the independent spin approximation.
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The highly inhomogeneous nuclear polarization significantly prolongs the electron spin coherence time.