Abstract
The anomalous properties of Nambu–Goldstone bosons, found by Miransky and others in the symmetry breaking induced by a chemical potential, are attributed to the SSB of Lie and current algebras. Ferromagnetism, antiferromagnetism, and their relativistic analogs are discussed as examples.
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Nambu, Y. Spontaneous Breaking of Lie and Current Algebras. Journal of Statistical Physics 115, 7–17 (2004). https://doi.org/10.1023/B:JOSS.0000019827.74407.2d
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DOI: https://doi.org/10.1023/B:JOSS.0000019827.74407.2d