Possibility of superradiance by magnetic nanoclusters

Details Possibility of superradiance by magnetic nanoclusters Possibility of superradiance by magnetic nanoclusters

2012-02-06

arxiv.org/abs/1202.1115v1

Laser Phys. Lett. 8 (2011) 804-813

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Latex file, 20 pages, 4 figures

Scientific paper

The possibility of realizing spin superradiance by an assembly of magnetic nanoclusters is analyzed. The known obstacles for realizing such a coherent radiation by magnetic nanoclusters are their large magnetic anisotropy, strong dephasing dipole interactions, and an essential nonuniformity of their sizes. In order to give a persuasive conclusion, a microscopic theory is developed, providing an accurate description of nanocluster spin dynamics. It is shown that, despite the obstacles, it is feasible to organize such a setup that magnetic nanoclusters would produce strong superradiant emission.

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