Landau-Zener interferometry in a Cooper-pair box

M. Sillanpää; T. Lehtinen; A. Paila; Yu Makhlin; P. J. Hakonen

doi:10.1007/s10909-006-9262-0

Landau-Zener interferometry in a Cooper-pair box

M. Sillanpää, T. Lehtinen, A. Paila, Yu Makhlin, P. J. Hakonen

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

13 Citations (Scopus)

Abstract

In a driven system, a sequence of Landau-Zener transitions occur, and they may interfere with each other. We present experimental evidence of quantum interference effects in a superconducting charge qubit, a Cooper-pair box, where the LZ tunneling occurs at the charge degeneracy. By employing weak capacitive monitoring, we observe interference between consecutive LZ tunneling events.

Original language	English
Pages (from-to)	253-262
Number of pages	10
Journal	Journal of Low Temperature Physics
Volume	146
Issue number	1-2
DOIs	https://doi.org/10.1007/s10909-006-9262-0
Publication status	Published - Jan 2007
Externally published	Yes

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
General Materials Science
Condensed Matter Physics

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10.1007/s10909-006-9262-0

Cite this

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title = "Landau-Zener interferometry in a Cooper-pair box",

abstract = "In a driven system, a sequence of Landau-Zener transitions occur, and they may interfere with each other. We present experimental evidence of quantum interference effects in a superconducting charge qubit, a Cooper-pair box, where the LZ tunneling occurs at the charge degeneracy. By employing weak capacitive monitoring, we observe interference between consecutive LZ tunneling events.",

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AU - Sillanpää, M.

AU - Lehtinen, T.

AU - Paila, A.

AU - Makhlin, Yu

AU - Hakonen, P. J.

PY - 2007/1

Y1 - 2007/1

N2 - In a driven system, a sequence of Landau-Zener transitions occur, and they may interfere with each other. We present experimental evidence of quantum interference effects in a superconducting charge qubit, a Cooper-pair box, where the LZ tunneling occurs at the charge degeneracy. By employing weak capacitive monitoring, we observe interference between consecutive LZ tunneling events.

AB - In a driven system, a sequence of Landau-Zener transitions occur, and they may interfere with each other. We present experimental evidence of quantum interference effects in a superconducting charge qubit, a Cooper-pair box, where the LZ tunneling occurs at the charge degeneracy. By employing weak capacitive monitoring, we observe interference between consecutive LZ tunneling events.

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U2 - 10.1007/s10909-006-9262-0

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M3 - Article

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EP - 262

JO - Journal of Low Temperature Physics

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IS - 1-2

ER -

Landau-Zener interferometry in a Cooper-pair box

Abstract

ASJC Scopus subject areas

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