Tetracritical points in mixed magnetic crystals

Amnon Aharony*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

44 Scopus citations


Recently developed renormalization-group techniques are used to study the tetracritical (or bicritical) point of quenched mixed magnetic crystals (e.g., ApB1-p, where A and B have ferromagnetic and antiferromagnetic phase transitions). The tetracritical (bicritical) exponents are possibly given by the n=0 value of their ε expansions. In particular, the crossover exponent, describing the shape of the p-T phase diagram near the tetracritical point, is exactly equal to 1. This explains various experiments.

Original languageEnglish
Pages (from-to)590-593
Number of pages4
JournalPhysical Review Letters
Issue number10
StatePublished - 1975
Externally publishedYes


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