Bose-Einstein Condensation in Magnetic Insulators

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The elementary excitations in antiferromagnets are magnons, quasiparticles with integer spin and Bose statistics. In an experiment their density is controlled efficiently by an applied magnetic field and can be made finite to cause the formation of a Bose-Einstein condensate (BEC). Studies of magnon condensation in a growing number of magnetic materials provide a unique window into an exciting world of quantum phase transitions (QPT) and exotic quantum states.
17 pages, 3 figures

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Strongly Correlated Electrons

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http://salesiana.dossiersoluciones.com/handle/123456789/156870

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0712.2250
 http://arxiv.org/abs/0712.2250
 Nature Physics 4, 198-204 (2008)
 doi:10.1038/nphys893

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arXiv