Quantum dynamics of electron-nuclei coupled system in quantum dots

Özgür Çakir; Toshihide Takagahara

doi:10.1016/j.physe.2007.06.026

Quantum dynamics of electron-nuclei coupled system in quantum dots

Özgür Çakir, Toshihide Takagahara

Department of Physics

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

We have investigated the dynamics of the electron-nuclei coupled system in quantum dots. The bunching of results of the electron spin measurements and the revival in the conditional probabilities are salient features of the nuclear spin memory. The underlying mechanism is the squeezing of the nuclear spin state and the correlations between the successive electron spin measurements. A realization of the proposals for electron spins on single and double quantum dots is discussed.

Original language	English
Pages (from-to)	379-382
Number of pages	4
Journal	Physica E: Low-Dimensional Systems and Nanostructures
Volume	40
Issue number	2
DOIs	https://doi.org/10.1016/j.physe.2007.06.026
Publication status	Published - 2007 Dec

Keywords

Hyperfine interaction
Quantum dots
Quantum information

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Condensed Matter Physics

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abstract = "We have investigated the dynamics of the electron-nuclei coupled system in quantum dots. The bunching of results of the electron spin measurements and the revival in the conditional probabilities are salient features of the nuclear spin memory. The underlying mechanism is the squeezing of the nuclear spin state and the correlations between the successive electron spin measurements. A realization of the proposals for electron spins on single and double quantum dots is discussed.",

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AB - We have investigated the dynamics of the electron-nuclei coupled system in quantum dots. The bunching of results of the electron spin measurements and the revival in the conditional probabilities are salient features of the nuclear spin memory. The underlying mechanism is the squeezing of the nuclear spin state and the correlations between the successive electron spin measurements. A realization of the proposals for electron spins on single and double quantum dots is discussed.

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KW - Quantum dots

KW - Quantum information

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