Intrinsic coherence dynamics and phase localization in nanoscale Aharonov-Bohm interferometers

Matisse Wei Yuan Tu, Wei Min Zhang, Jinshuang Jin

研究成果: Article同行評審

14 引文 斯高帕斯(Scopus)

摘要

The nonequilibrium real-time dynamics of electron decoherence is explored in the quantum transport through the nanoscale double-dot Aharonov-Bohm interferometers. We solve the exact master equation to find the exact quantum state of the device, from which the changes of the electron coherence through the magnetic flux in the nonequilibrium transport processes is obtained explicitly. We find that the relative phase between the two charge states of the degenerate double dot localizes to π2 or -π2 for all different magnetic fluxes, due to decoherence. This nontrivial decoherence process can be manifested in the measurable occupation numbers.

原文English
文章編號115318
期刊Physical Review B - Condensed Matter and Materials Physics
83
發行號11
DOIs
出版狀態Published - 2011 3月 15

All Science Journal Classification (ASJC) codes

  • 電子、光磁材料
  • 凝聚態物理學

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