Dual-channel spontaneous emission of quantum dots in magnetic metamaterials. by Decker, M, Staude, I, Shishkin, I, Samusev, K, Parkinson, P, Sreenivasan, V, Minovich, A, Miroshnichenko, A, Zvyagin, A, Jagadish, C, Neshev, D, Kivshar, Y