Critical behavior of branched polymers of even functionality neard=4
- 1 December 1988
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 38 (11) , 5840-5846
- https://doi.org/10.1103/physreva.38.5840
Abstract
We present an exact new model of branched polymers of even functionality. Surprisingly, our model belongs to the universality class of the O(n) model where n is the activity for loops: Branchings do not affect the universality class and the upper critical dimension is 4. However, in the dilute limit, the model undergoes a first-order transition. These results are contrary to current belief.Keywords
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