Abstract
The ground-state properties of the infinite-range vector spin-glasses are studied by a "slow-cooling" iterative solution of the mean-field equations. Results are presented for the zero-temperature probability distribution P (H) of internal fields with and without an external magnetic field present. We also find the ground-state energy for the XY and Heisenberg models. P (H) has a hole; i.e., P (H)=0 for H<H0, which persists in high magnetic fields and relatively high temperatures, TTc12. Our studies for the infinite-range Heisenberg spin-glass appear to show macroscopic irreversibility, in contrast to the short-range Heisenberg case which has no irreversibility. Therefore the range of interaction plays an important role in determining the irreversible behavior. © 1983 The American Physical Society.
| Original language | English |
|---|---|
| Pages (from-to) | 2886-2889 |
| Number of pages | 4 |
| Journal | Physical Review B |
| Volume | 28 |
| Issue number | 5 |
| DOIs | |
| State | Published - Jan 1 1983 |
| Externally published | Yes |
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