Ground state non-universality in the random field Ising model
| dc.creator | Duxbury, P. M. | |
| dc.creator | Meinke, J. H. | |
| dc.date | 2000-12-04 | |
| dc.date | 2001-01-16 | |
| dc.date.accessioned | 2026-07-07T02:39:39Z | |
| dc.date.available | 2026-07-07T02:39:39Z | |
| dc.description | Two attractive and often used ideas, namely universality and the concept of a zero temperature fixed point, are violated in the infinite-range random-field Ising model. In the ground state we show that the exponents can depend continuously on the disorder and so are non-universal. However, we also show that at finite temperature the thermal order parameter exponent one half is restored so that temperature is a relevant variable. The broader implications of these results are discussed. | |
| dc.description | 4 pages 2 figures, corrected prefactors caused by a missing factor of two in Eq. 2., added a paragraph in conclusions for clarity | |
| dc.identifier | https://arxiv.org/abs/cond-mat/0012042 | |
| dc.identifier | http://arxiv.org/abs/cond-mat/0012042 | |
| dc.identifier | Phys. Rev. E 64, 036112 (2001) | |
| dc.identifier | doi:10.1103/PhysRevE.64.036112 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/17097 | |
| dc.subject | Disordered Systems and Neural Networks | |
| dc.title | Ground state non-universality in the random field Ising model | |
| dc.type | text |