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http://hdl.handle.net/1942/3345
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DC Field | Value | Language |
---|---|---|
dc.contributor.author | Seno, F | - |
dc.contributor.author | Stella, AL | - |
dc.contributor.author | VANDERZANDE, Carlo | - |
dc.date.accessioned | 2007-11-27T15:04:44Z | - |
dc.date.available | 2007-11-27T15:04:44Z | - |
dc.date.issued | 1997 | - |
dc.identifier.citation | PHYSICAL REVIEW E, 55(4). p. 3859-3864 | - |
dc.identifier.issn | 1063-651X | - |
dc.identifier.uri | http://hdl.handle.net/1942/3345 | - |
dc.description.abstract | The combined effects of bond-energy disorder and random-bond exclusion on optimal undirected self-avoiding paths are studied by an original finite-size scaling method in two dimensions. For concentrations of accessible bonds between the undirected and directed percolation thresholds, overhangs do not seem to change the standard self-affine scaling regime characteristic of directed paths. At the undirected threshold the path becomes fractal, with a fractal dimension equal to that of the minimal length path on the infinite cluster backbone. At this point the optimal energy variance scales with time t as t(omega c) (omega(c)= 1.02+/-0.05). Furthermore, omega(c) turns out to be exclusively determined by fluctuations in backbone geometry and not by disorder in bond energies. This scenario is qualitatively confirmed and extended by renormalization-group calculations on hierarchical lattices. | - |
dc.language.iso | en | - |
dc.publisher | AMERICAN PHYSICAL SOC | - |
dc.title | Optimal self-avoiding paths in dilute random medium | - |
dc.type | Journal Contribution | - |
dc.identifier.epage | 3864 | - |
dc.identifier.issue | 4 | - |
dc.identifier.spage | 3859 | - |
dc.identifier.volume | 55 | - |
local.format.pages | 6 | - |
dc.description.notes | UNIV PADUA,SEZ INFN,I-35100 PADUA,ITALY. LIMBURGS UNIV CTR,DEPT WISKUNDE NAT KUNDE INFORMAT,B-3590 DIEPENBEEK,BELGIUM.Seno, F, UNIV PADUA,DIPARTIMENTO FIS,INFM,I-35100 PADUA,ITALY. | - |
local.type.refereed | Refereed | - |
local.type.specified | Article | - |
dc.bibliographicCitation.oldjcat | A1 | - |
dc.identifier.doi | 10.1103/PhysRevE.55.3859 | - |
dc.identifier.isi | A1997WV24900015 | - |
item.contributor | Seno, F | - |
item.contributor | Stella, AL | - |
item.contributor | VANDERZANDE, Carlo | - |
item.fulltext | No Fulltext | - |
item.fullcitation | Seno, F; Stella, AL & VANDERZANDE, Carlo (1997) Optimal self-avoiding paths in dilute random medium. In: PHYSICAL REVIEW E, 55(4). p. 3859-3864. | - |
item.accessRights | Closed Access | - |
Appears in Collections: | Research publications |
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