Thermodynamics of antiferromagnetic solids in magnetic fields
Peer reviewed, Journal article
Accepted version
Permanent lenke
https://hdl.handle.net/11250/3041077Utgivelsesdato
2020Metadata
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Originalversjon
Brauner, T., & Hofmann, C. P. (2020). Thermodynamics of antiferromagnetic solids in magnetic fields. Annals of Physics, 418, 168168. 10.1016/j.aop.2020.168168Sammendrag
We analyze the thermodynamic properties of antiferromagnetic solids subjected to a
combination of mutually orthogonal uniform magnetic and staggered fields. Low-
temperature series for the pressure, order parameter and magnetization up to two-loop order
in the effective expansion are established. We evaluate the self-energy and the dispersion
relation of the dressed magnons in order to discuss the impact of spin–wave interactions on
thermodynamic observables.