Abstract
A three-dimensional lattice of Heisenberg spins with nearest-neighbor interactions is studied by numerical simulation under the constraint that no free topological singularities (hedgehogs) are allowed. Only nearest-neighbor pairs of oppositely charged hedgehogs are permitted in the sum over configurations. A disordering transition with exponents different from the usual Heisenberg transition is found and tentatively identified as a pure spin wave disordering transition.
| Original language | English |
|---|---|
| Pages (from-to) | 1911-1914 |
| Number of pages | 4 |
| Journal | Physical Review Letters |
| Volume | 71 |
| Issue number | 12 |
| DOIs | |
| State | Published - 1993 |
ASJC Scopus subject areas
- General Physics and Astronomy
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