Spontaneous symmetry breaking and the chain criterion
- 1 April 1981
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 23 (7) , 3460-3463
- https://doi.org/10.1103/physrevb.23.3460
Abstract
For the first time I have rigorously proved the equivalence between the necessary symmetry condition of the original Landau theory of second-order phase transitions, the chain criterion, and some recent propositions. I have introduced the new chain criterion which contains a powerful corollary. I have also established the validity of the chain criterion beyond the Landau theory, emphasizing its use as an algorithm for calculation of little groups.Keywords
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