Antiferromagnetic dispersion relations and nature of magnon pressure

We derive higher-order corrections in the magnon dispersion relations for two- and three-dimensional antiferromagnets exposed to magnetic and staggered fields that are mutually aligned. “Dressing” the magnons is the prerequisite to separate the low-temperature representation of the pressure into a p...

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Veröffentlicht in:	Physica. B, Condensed matter Condensed matter, 2021-06, Vol.611, p.412793, Article 412793
1. Verfasser:	Hofmann, Christoph P.
Format:	Artikel
Sprache:	eng
Schlagworte:	Antiferromagnetic films and crystals Antiferromagnetism Cubic lattice Dispersion Dispersion relation Low temperature Magnetic and staggered fields Magnetism Magnons Pressure Spin-wave interaction Studies Two-point function
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