Controlled decoherence of a charge qublt in a double quantum dot

Toshimasa Fujisawa, Toshiaki Hayashi, Yoshiro Hirayama

研究成果: Article査読

24 被引用数 (Scopus)

抄録

The controlled decoherence of a charge qubit in a double quantum dot (DQD) was investigated. The energy bias and strength of the decoherence of the system were controlled with a high speed voltage pulse. The dissipative tunneling processes in the single-electron tunneling regime strongly affected the qubit, which was effectively isolated from the electrodes in the Coulomb blockade regime. Density matrix simulations were used to analyze the controlled decoherence of the charge qubit.

本文言語English
ページ(範囲)2035-2038
ページ数4
ジャーナルJournal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures
22
4
DOI
出版ステータスPublished - 2004 7 1
外部発表はい

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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