Super scattering phenomenon in active spherical nanoparticles<xref rid="cpb_26_6_067803fn1" ref-type="fn">*</xref> <fn id="cpb_26_6_067803fn1"> <label>*</label> <p>Project supported by the National Natural Science Foundation of China (Grant Nos. 11174222 and 91230203).</p> </fn>

Super scattering phenomenon in active spherical nanoparticles* *

Project supported by the National Natural Science Foundation of China (Grant Nos. 11174222 and 91230203).

Liu Chang-Yu¹, Xie Ya-Ming^{2, 3}, Wang Zhi-Guo^{1, †}

(color online) 2D pseudocolor plots of (logarithmic scale) each as a function of and radius Rfor spherical nanoparticles with (a) and (b) . Here the gain coefficient is . The dashed–dotted lines in panels (a) and (b) denote these points where the real parts of permittivities are zero.