Abstract
The impact of impenetrable obstacles on the energetics and equilibrium structure of strongly repulsive directed polymers is investigated. As a result of the strong interactions, regions of severe polymer depletion and excess are found in the vicinity of the obstacle, and the associated free-energy cost is found to scale quadratically with the average polymer density. The polymer-polymer interactions are accounted for via a sequence of transformations: from the 3D line liquid to a 2D fluid of Bose particles to a 2D composite fermion fluid and, finally, to a 2D one-component plasma. The results presented here are applicable to a range of systems consisting of noncrossing directed lines.
| Original language | English |
|---|---|
| Article number | 096401 |
| Pages (from-to) | 1-5 |
| Number of pages | 5 |
| Journal | Physical Review Letters |
| Volume | 111 |
| Issue number | 9 |
| DOIs | |
| Publication status | Published - 26 Aug 2013 |
ASJC Scopus subject areas
- General Physics and Astronomy
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