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Effect of electron–phonon interaction on Fano interference in the parallel double quantum dot structure
Author(s) -
Gong Weijiang,
Zheng Yisong,
Wang Jie,
Lü Tianquan
Publication year - 2008
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.200743481
Subject(s) - fano plane , condensed matter physics , phonon , conductance , fano resonance , physics , electron , quantum dot , interference (communication) , scattering , quantum mechanics , plasmon , channel (broadcasting) , mathematics , engineering , pure mathematics , electrical engineering
The effect of electron–phonon interaction on the Fano lineshape in the linear conductance spectrum in the parallel double quantum dot structure is studied. The local and non‐local phonon modes are considered and the corresponding electron transport formulae are derived on an equal footing. It is found that the inelastic conductance vanishes in the zero bias and zero temperature case. The local and non‐local phonon modes influence the Fano lineshape distinctly. The non‐local phonon can change the Fano lineshape effectively, while the local phonon mainly shifts the initial Fano lineshape. These properties are still distinct for the finite temperature case when the inelastic scattering process is more complex. (© 2008 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)