**Percolation in Systems Containing Ordered Elongated Objects**

Romiszowski Piotr *, Sikorski Andrzej

Department of Chemistry, University of Warsaw

Pasteura 1, 02-093 Warsaw, Poland

*E-mail: prom@chem.uw.edu.pl

### Received:

Received: 21 February 2013; revised: 13 April 2013; accepted: 16 April 2013; published online: 22 May 2013

### DOI: 10.12921/cmst.2013.19.02.115-121

### OAI: oai:lib.psnc.pl:463

### Abstract:

We studied the percolation and jamming of elongated objects using the Random Sequential Adsorption (RSA) technique. The objects were represented by linear sequences of beads forming needles. The positions of the beads were restricted to vertices of two-dimensional square lattice. The external field that imposed ordering of the objects was introduced into the model. The percolation and the jamming thresholds were determined for all systems under consideration. The influence of the chain length and the ordering on both thresholds was calculated and discussed. It was shown that for a strongly ordered system containing needles the ratio of percolation and jamming thresholds

cp/cjis almost independent on the needle lengthd.

### Key words:

jamming, Monte Carlo method, percolation, random sequential adsorption

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