Percolation of heteronuclear dimers irreversibly deposited on square lattices.
Identifieur interne : 001075 ( Main/Exploration ); précédent : 001074; suivant : 001076Percolation of heteronuclear dimers irreversibly deposited on square lattices.
Auteurs : M C Gimenez [Argentine] ; A J Ramirez-Pastor [Argentine]Source :
- Physical review. E [ 2470-0053 ] ; 2016.
Abstract
The percolation problem of irreversibly deposited heteronuclear dimers on square lattices is studied. A dimer is composed of two segments, and it occupies two adjacent adsorption sites. Each segment can be either a conductive segment (segment type A) or a nonconductive segment (segment type B). Three types of dimers are considered: AA, BB, and AB. The connectivity analysis is carried out by accounting only for the conductive segments (segments type A). The model offers a simplified representation of the problem of percolation of defective (nonideal) particles, where the presence of defects in the system is simulated by introducing a mixture of conductive and nonconductive segments. Different cases were investigated, according to the sequence of deposition of the particles, the types of dimers involved in the process, and the degree of alignment of the deposited objects. By means of numerical simulations and finite-size scaling analysis, the complete phase diagram separating a percolating from a nonpercolating region was determined for each case. Finally, the consistency of our results was examined by comparing with previous data in the literature for linear k-mers (particles occupying k adjacent sites) with defects.
DOI: 10.1103/PhysRevE.94.032129
PubMed: 27739810
Affiliations:
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E</title><idno type="eISSN">2470-0053</idno><imprint><date when="2016" type="published">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The percolation problem of irreversibly deposited heteronuclear dimers on square lattices is studied. A dimer is composed of two segments, and it occupies two adjacent adsorption sites. Each segment can be either a conductive segment (segment type A) or a nonconductive segment (segment type B). Three types of dimers are considered: AA, BB, and AB. The connectivity analysis is carried out by accounting only for the conductive segments (segments type A). The model offers a simplified representation of the problem of percolation of defective (nonideal) particles, where the presence of defects in the system is simulated by introducing a mixture of conductive and nonconductive segments. Different cases were investigated, according to the sequence of deposition of the particles, the types of dimers involved in the process, and the degree of alignment of the deposited objects. By means of numerical simulations and finite-size scaling analysis, the complete phase diagram separating a percolating from a nonpercolating region was determined for each case. Finally, the consistency of our results was examined by comparing with previous data in the literature for linear k-mers (particles occupying k adjacent sites) with defects.</div></front></TEI><affiliations><list><country><li>Argentine</li></country></list><tree><country name="Argentine"><noRegion><name sortKey="Gimenez, M C" sort="Gimenez, M C" uniqKey="Gimenez M" first="M C" last="Gimenez">M C Gimenez</name></noRegion><name sortKey="Ramirez Pastor, A J" sort="Ramirez Pastor, A J" uniqKey="Ramirez Pastor A" first="A J" last="Ramirez-Pastor">A J Ramirez-Pastor</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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