Non-Markovian decoherence dynamics of electrons in a double quantum dot system

Matisse Wei Yuan Tu; Wei Min Zhang

doi:10.1063/1.3037142

Non-Markovian decoherence dynamics of electrons in a double quantum dot system

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

We develop a non-perturbative theory for describing decoherence dynamics of electron charges in the double quantum dot gated by electrodes. We extend the Feynman-Vernon's influence functional theory to fermionic environments and derive an exact master equation for the reduced density matrix of electrons in the double dot for a general spectral density at arbitrary temperature and bias.

Original language	English
Title of host publication	Solid-State Quantum Computing - Proceedings of the 2nd International Workshop on Solid-State Quantum Computing, IWSSQC 2008 and Mini-School on Quantum Information Science, QIS 2008
Editors	Hsi-Sheng Goan, Yueh-Nan Chen
Publisher	American Institute of Physics Inc.
Pages	79-81
Number of pages	3
ISBN (Electronic)	9780735406056
DOIs	https://doi.org/10.1063/1.3037142
State	Published - 2008
Externally published	Yes
Event	2nd International Workshop on Solid-State Quantum Computing, IWSSQC 2008 and Mini-School on Quantum Information Science, QIS 2008 - Taipei, Taiwan, Province of China Duration: 23 Jun 2008 → 27 Jun 2008

Publication series

Name	AIP Conference Proceedings
Volume	1074
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

Conference

Conference	2nd International Workshop on Solid-State Quantum Computing, IWSSQC 2008 and Mini-School on Quantum Information Science, QIS 2008
Country/Territory	Taiwan, Province of China
City	Taipei
Period	23/06/08 → 27/06/08

Bibliographical note

Publisher Copyright:
© 2008 American Institute of Physics.

Keywords

Decoherence
Double quantum dot
Open quantum systems

Access to Document

10.1063/1.3037142

Cite this

Tu, M. W. Y., & Zhang, W. M. (2008). Non-Markovian decoherence dynamics of electrons in a double quantum dot system. In H.-S. Goan, & Y.-N. Chen (Eds.), Solid-State Quantum Computing - Proceedings of the 2nd International Workshop on Solid-State Quantum Computing, IWSSQC 2008 and Mini-School on Quantum Information Science, QIS 2008 (pp. 79-81). (AIP Conference Proceedings; Vol. 1074). American Institute of Physics Inc.. https://doi.org/10.1063/1.3037142

Tu, Matisse Wei Yuan ; Zhang, Wei Min. / Non-Markovian decoherence dynamics of electrons in a double quantum dot system. Solid-State Quantum Computing - Proceedings of the 2nd International Workshop on Solid-State Quantum Computing, IWSSQC 2008 and Mini-School on Quantum Information Science, QIS 2008. editor / Hsi-Sheng Goan ; Yueh-Nan Chen. American Institute of Physics Inc., 2008. pp. 79-81 (AIP Conference Proceedings).

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abstract = "We develop a non-perturbative theory for describing decoherence dynamics of electron charges in the double quantum dot gated by electrodes. We extend the Feynman-Vernon's influence functional theory to fermionic environments and derive an exact master equation for the reduced density matrix of electrons in the double dot for a general spectral density at arbitrary temperature and bias.",

keywords = "Decoherence, Double quantum dot, Open quantum systems",

author = "Tu, {Matisse Wei Yuan} and Zhang, {Wei Min}",

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Tu, MWY & Zhang, WM 2008, Non-Markovian decoherence dynamics of electrons in a double quantum dot system. in H-S Goan & Y-N Chen (eds), Solid-State Quantum Computing - Proceedings of the 2nd International Workshop on Solid-State Quantum Computing, IWSSQC 2008 and Mini-School on Quantum Information Science, QIS 2008. AIP Conference Proceedings, vol. 1074, American Institute of Physics Inc., pp. 79-81, 2nd International Workshop on Solid-State Quantum Computing, IWSSQC 2008 and Mini-School on Quantum Information Science, QIS 2008, Taipei, Taiwan, Province of China, 23/06/08. https://doi.org/10.1063/1.3037142

Non-Markovian decoherence dynamics of electrons in a double quantum dot system. / Tu, Matisse Wei Yuan; Zhang, Wei Min.
Solid-State Quantum Computing - Proceedings of the 2nd International Workshop on Solid-State Quantum Computing, IWSSQC 2008 and Mini-School on Quantum Information Science, QIS 2008. ed. / Hsi-Sheng Goan; Yueh-Nan Chen. American Institute of Physics Inc., 2008. p. 79-81 (AIP Conference Proceedings; Vol. 1074).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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Tu MWY, Zhang WM. Non-Markovian decoherence dynamics of electrons in a double quantum dot system. In Goan HS, Chen YN, editors, Solid-State Quantum Computing - Proceedings of the 2nd International Workshop on Solid-State Quantum Computing, IWSSQC 2008 and Mini-School on Quantum Information Science, QIS 2008. American Institute of Physics Inc. 2008. p. 79-81. (AIP Conference Proceedings). doi: 10.1063/1.3037142

Non-Markovian decoherence dynamics of electrons in a double quantum dot system

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