Manipulating transmission and reflection properties of a photonic crystal doped with quantum dot nanostructures |
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| Authors: | G. Solookinejad M. Panahi E. A. Sangachin S. H. Asadpour |
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| Affiliation: | 1.Department of Physics, Marvdasht Branch,Islamic Azad University,Marvdasht,Iran |
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| Abstract: | We consider excitations that exist, in addition to phonons, in the ideal Bose gas at zero temperature. These excitations are vortex rings whose energy spectrum is similar to the roton one in liquid helium. |
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