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The fixed point that governs the critical behavior of magnets described by the N-vector chiral model under the physical values of N (formula presented) is shown to be a stable focus both in two and three dimensions. Robust evidence in favor of this conclusion is obtained within the five-loop and six-loop renormalization-group analysis in fixed dimension. The spirallike approach of the chiral fixed point results in unusual crossover and near-critical regimes that may imitate varying critical exponents seen in physical and computer experiments.
| Original language | English |
|---|---|
| Article number | 180413(R) |
| Number of pages | 4 |
| Journal | Physical Review B - Condensed Matter and Materials Physics |
| Volume | 66 |
| Issue number | 18 |
| DOIs | |
| State | Published - 2002 |
ID: 5571208