Figure 4.

The influence of Coulomb interactions on the spectra of n2s. The relevant parameters are taken to be V1 = 0.5, V2 = 0.1, and <a onClick="popup('','MathML',630,470);return false;" target="_blank" href="">View MathML</a>. (a) The spectrum of 〈n2s〉 vs ϵ1 and ϵ2. The Coulomb interactions are taken to be U1 = U2 = 1.0. (b) The spectrum of 〈n2s〉 with U1 = 3.0 and U2 = 1.0. (c) The curve of 〈n2s〉 vs ϵ2 with U1 = U2 = 3.0. The level of QD-1 is taken to be ϵ1 = 0 and ±0.5, respectively.

Gong et al. Nanoscale Research Letters 2012 7:510   doi:10.1186/1556-276X-7-510
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