TY - JOUR
T1 - Tetracritical points in mixed magnetic crystals
AU - Aharony, Amnon
PY - 1975
Y1 - 1975
N2 - 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.
AB - 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.
UR - http://www.scopus.com/inward/record.url?scp=4243843401&partnerID=8YFLogxK
U2 - 10.1103/PhysRevLett.34.590
DO - 10.1103/PhysRevLett.34.590
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AN - SCOPUS:4243843401
SN - 0031-9007
VL - 34
SP - 590
EP - 593
JO - Physical Review Letters
JF - Physical Review Letters
IS - 10
ER -