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Tricritical exponents and crossover behavior of a next-nearest-neighbor Ising antiferromagnet

Physical Review B, ISSN: 0163-1829, Vol: 14, Issue: 9, Page: 4054-4058
1976
  • 26
    Citations
  • 0
    Usage
  • 3
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Metrics Details

  • Citations
    26
    • Citation Indexes
      26
  • Captures
    3

Article Description

Monte Carlo data for a simple cubic Ising antiferromagnet with nearest- and next-nearest-neighbor interactions reveal asymptotic tricritical behavior of the order parameter which is mean-field-like modified by logarithmic corrections and high-temperature susceptibilities which are mean-field-like without corrections, in agreement with renormalization-group calculations. Crossover between tricritical and critical behavior is observed in the temperature variation of the order parameter and high-temperature susceptibility. © 1976 The American Physical Society.

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