Abstract
From atomic physics one knows the phenomenon of Bose–Einstein condensation (BEC), where a macroscopic ensemble of particles occupy coherently a single state. Similar phenomena were observed for different types of quasiparticles in condensed matter. Here we present the results of investigations on the BEC of elementary magnetic excitations—magnons—in antiferromagnets with a dynamical frequency shift.
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Acknowledgments
This work was performed at the International Laboratory of Magnetic Superfluidity and Nonlinear Magnetic Resonance at the Kazan Federal University. This work was supported in part by the European program FP7 “Microkelvin” (Grant No 228464) and by the Siberian Branch of the Russian Academy of Sciences (Grant No 28).
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Tagirov, M.S., Alakshin, E.M., Bunkov, Y.M. et al. Magnon BEC in Antiferromagnets with Suhl–Nakamura Interaction. J Low Temp Phys 175, 167–176 (2014). https://doi.org/10.1007/s10909-013-1085-1
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DOI: https://doi.org/10.1007/s10909-013-1085-1