Abstract
The purpose of this chapter is to introduce the main theoretical tool used in this thesis, continuum field theories of magnetic systems that undergo a phase transition into an ordered state. This is a symmetry-based approach, and, in consequence, the same continuum theory can be adapted to describe materials with vastly different microscopic structure, as long as the symmetries broken by the order parameter are the same.
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Notes
- 1.
We label the reduced temperature \(\tilde{t}\) rather than the more usual \(t\) in order to distinguish it from the time-variable \(t\).
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Smerald, A. (2013). An Introduction to Field Theory in Magnetic Systems: The Néel Antiferromagnet. In: Theory of the Nuclear Magnetic 1/T1 Relaxation Rate in Conventional and Unconventional Magnets. Springer Theses. Springer, Cham. https://doi.org/10.1007/978-3-319-00434-1_2
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