Abstract
The magnetic exciton renormalization and soft-mode behaviour as the temperature approaches zero of the singlet-doublet magnet (dhcp)pr are accounted for by a selfconsistent rpa theory with no adjustable parameters. The crystal-field splitting between the ground state and the doublet is d=3.74 mev and the ratio between the exchange interaction and d is very close to unity. However, zero-point motion prevents the system from ordering.
| Original language | English |
|---|---|
| Journal | Journal of Physics C: Solid State Physics |
| Volume | 8 |
| Issue number | 9 |
| Pages (from-to) | L178-L181 |
| ISSN | 0022-3719 |
| DOIs | |
| Publication status | Published - 1975 |
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