Quantitative expression of the spin gap via bosonization for a dimerized spin-1/2 chain
| dc.creator | Orignac, Edmond | |
| dc.date | 2004-03-05 | |
| dc.date.accessioned | 2026-07-25T15:31:58Z | |
| dc.description | Using results on the mass gap in the sine-Gordon model combined with the exact amplitudes in the bosonized representation of the Heisenberg spin-1/2 chain and one-loop renormalization group, we derive a quantitative expression for the gap in a dimerized spin-1/2 chain. This expression is shown to be in good agreement with recent numerical estimates when a marginally irrelevant perturbation is taken into account. | |
| dc.description | 5 pages, 2 EPS figures, uses svjour.cls | |
| dc.identifier | https://arxiv.org/abs/cond-mat/0403175 | |
| dc.identifier | http://arxiv.org/abs/cond-mat/0403175 | |
| dc.identifier | Eur. Phys. J. B 39, 335 (2004) | |
| dc.identifier | doi:10.1140/epjb/e2004-00198-5 | |
| dc.identifier.uri | https://dspace.dare.co.zw/handle/123456789/34673 | |
| dc.subject | Strongly Correlated Electrons | |
| dc.subject | Statistical Mechanics | |
| dc.title | Quantitative expression of the spin gap via bosonization for a dimerized spin-1/2 chain | |
| dc.type | text |