Phase Transitions in Disordered Systems: The Example of the Random-Field Ising Model in Four Dimensions
| dc.contributor.author | Fytas, Nikolaos G. | |
| dc.contributor.author | Martín Mayor, Víctor | |
| dc.contributor.author | Picco, Marco | |
| dc.contributor.author | Sourlas, Nicolas | |
| dc.date.accessioned | 2023-06-18T06:54:39Z | |
| dc.date.available | 2023-06-18T06:54:39Z | |
| dc.date.issued | 2016-06-03 | |
| dc.description | © 2016 American Physical Society. Our L=52, 60 lattices were simulated in the MareNostrum and Picasso supercomputers (we thankfully acknowledge the computer resources and assistance provided by the staff at the Red Española de Supercomputación). N. G. F. was supported by Royal Society Research Grant No. RG140201 and from a Research Collaboration Fellowship Scheme of Coventry University. V. M.-M. was supported by MINECO (Spain) through research Contract No. FIS2012-35719C02-01. | |
| dc.description.abstract | By performing a high-statistics simulation of the D = 4 random-field Ising model at zero temperature for different shapes of the random-field distribution, we show that the model is ruled by a single universality class. We compute to a high accuracy the complete set of critical exponents for this class, including the correction-to-scaling exponent. Our results indicate that in four dimensions (i) dimensional reduction as predicted by the perturbative renormalization group does not hold and (ii) three independent critical exponents are needed to describe the transition. | |
| dc.description.department | Depto. de Física Teórica | |
| dc.description.faculty | Fac. de Ciencias Físicas | |
| dc.description.refereed | TRUE | |
| dc.description.sponsorship | Ministerio de Economía y Competitividad (MINECO) | |
| dc.description.sponsorship | Royal Society (Reino Unido) | |
| dc.description.sponsorship | Research Collaboration Fellowship Scheme of Coventry University | |
| dc.description.status | pub | |
| dc.eprint.id | https://eprints.ucm.es/id/eprint/38431 | |
| dc.identifier.doi | 10.1103/PhysRevLett.116.227201 | |
| dc.identifier.issn | 0031-9007 | |
| dc.identifier.officialurl | http://dx.doi.org/10.1103/PhysRevLett.116.227201 | |
| dc.identifier.relatedurl | http://journals.aps.org/ | |
| dc.identifier.uri | https://hdl.handle.net/20.500.14352/24562 | |
| dc.issue.number | 22 | |
| dc.journal.title | Physical review letters | |
| dc.language.iso | eng | |
| dc.publisher | American Physical Society | |
| dc.relation.projectID | RG140201 | |
| dc.relation.projectID | FIS2012-35719C02-01 | |
| dc.rights.accessRights | open access | |
| dc.subject.cdu | 53 | |
| dc.subject.keyword | Zero-temperature | |
| dc.subject.keyword | Universality | |
| dc.subject.keyword | Scattering | |
| dc.subject.keyword | Exponents | |
| dc.subject.keyword | Symmetry | |
| dc.subject.ucm | Física-Modelos matemáticos | |
| dc.title | Phase Transitions in Disordered Systems: The Example of the Random-Field Ising Model in Four Dimensions | |
| dc.type | journal article | |
| dc.volume.number | 116 | |
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| dspace.entity.type | Publication | |
| relation.isAuthorOfPublication | 061118c0-eadf-4ee3-8897-2c9b65a6df66 | |
| relation.isAuthorOfPublication.latestForDiscovery | 061118c0-eadf-4ee3-8897-2c9b65a6df66 |
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