Bose-Einstein condensation in antiferromagnets at low temperatures

The Bose-Einstein condensation (BEC) was predicted by Einstein in 1925 and this effect is characterized by the formation of a collective quantum state, when macroscopic number of particles is governed by a single wave function. The BEC of magnons was discovered experimentally in superfluid phase of...

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Bibliographic Details
Published in:Journal of physics. Conference series 2014-12, Vol.568 (4), p.42001
Main Authors: Alakshin, E M, Bunkov, Yu M, Gazizulin, R R, Isaenko, L I, Klochkov, A V, Safin, T R, Safiullin, K R, Tagirov, M S, Zhurkov, S A
Format: Article
Language:English
Subjects:
Antiferromagnetism
Bose-Einstein condensates
Fluids
Helium
Low temperature
Magnetic resonance
Magnons
Physics
Superfluidity
Wave functions
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Summary:The Bose-Einstein condensation (BEC) was predicted by Einstein in 1925 and this effect is characterized by the formation of a collective quantum state, when macroscopic number of particles is governed by a single wave function. The BEC of magnons was discovered experimentally in superfluid phase of 3He. In the present work we report our progress on the BEC of magnons investigations in solid antiferromagnets at low temperatures by magnetic resonance methods. The duration of the FID signal in two samples of easy-plane antiferromagnets CsMnF3 has been studied. Obtained data confirm the formation of magnon BEC in antiferromagnet CsMnF3.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/568/4/042001