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- Title
Quantum Phase Coherence in Mesoscopic Transport Devices with Two-Particle Interaction.
- Authors
Wang, Zhimei; Guo, Xiaofang; Xue, Haibin; Xue, Naitao; Liang, J.-Q.
- Abstract
In this paper we demonstrate a new type of quantum phase coherence (QPC), which is generated by the two-body interaction. This conclusion is based on quantum master equation analysis for the full counting statistics of electron transport through two parallel quantum-dots with antiparallel magnetic fluxes in order to eliminate the Aharonov-Bohm interference of either single-particle or non-interacting two-particle wave functions. The interacting two-particle QPC is realized by the flux-dependent oscillation of the zero-frequency cumulants including the shot noise and skewness with a characteristic period. The accurately quantized peaks of cumulant spectrum may have technical applications to probe the two-body Coulomb interaction.
- Subjects
QUANTUM phase transitions; PARTICLE interactions; QUANTUM dots; AHARONOV-Bohm effect; EIGENVALUES
- Publication
Scientific Reports, 2015, p12873
- ISSN
2045-2322
- Publication type
Article
- DOI
10.1038/srep12873