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Spin-Fermion Model near the Quantum Critical Point: One-Loop Renormalization Group Results

✍ Scribed by Abanov, Ar.; Chubukov, Andrey V.

Book ID
121007373
Publisher
The American Physical Society
Year
2000
Tongue
English
Weight
78 KB
Volume
84
Category
Article
ISSN
0031-9007

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The competition between spin glass (SG) and antiferromagnetic order (AF) is analyzed in two-sublattice fermionic Ising models in the presence of a transverse G and a parallel H magnetic fields. The exchange interaction follows a Gaussian probability distribution with mean À4J 0 =N and standard devia