Abstract
We investigate the correlation length of the one-dimensional S=1/2 Heisenberg antiferromagnet by the thermal Bethe-ansatz method proposed by Koma. The numerical result shows that the correlation length diverges as T-1 at low temperatures with logarithmic corrections. This logarithmic correction can be explained by conformal field theory.
| Original language | English |
|---|---|
| Pages (from-to) | 8217-8223 |
| Number of pages | 7 |
| Journal | Physical Review B |
| Volume | 43 |
| Issue number | 10 |
| DOIs | |
| Publication status | Published - 1991 |
| Externally published | Yes |
All Science Journal Classification (ASJC) codes
- Condensed Matter Physics