Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/3943
Title: PERCOLATION, THE SPECIAL THETA' POINT, AND THE THETA-THETA' UNIVERSALITY PUZZLE
Authors: VANDERZANDE, Carlo 
STELLA, AL
SENO, F
Issue Date: 1991
Publisher: AMERICAN PHYSICAL SOC
Source: PHYSICAL REVIEW LETTERS, 67(20). p. 2757-2760
Abstract: Results for d-2 percolation allow one to determine exactly the critical exponents for a polymer undergoing the special surface transition, while its bulk is at the THETA' point. Gamma-l = 8/7 and phi-s = 8/21 are the entropic and the crossover surface exponents, respectively. On the other hand, exact enumerations analysis leads to conjecture gamma-l = 4/7 at an ordinary THETA' point. This strongly supports universality of THETA and THETA' points. Similar exact results are obtained for a multicritical walk in the presence of correlated percolation vacancies.
Notes: UNIV BOLOGNA,DIPARTMENTO FIS,I-40126 BOLOGNA,ITALY. UNIV BOLOGNA,INST NAZL FIS NUCL,I-40126 BOLOGNA,ITALY. CTR INTERUNIV STRUTTURA MAT,PADUA,ITALY. UNIV PADUA,DIPARTMENTO FIS,I-35100 PADUA,ITALY.VANDERZANDE, C, LIMBURG UNIV CENTRUM,B-3610 DIEPENBEEK,BELGIUM.
Document URI: http://hdl.handle.net/1942/3943
DOI: 10.1103/PhysRevLett.67.2757
ISI #: A1991GP27700003
Type: Journal Contribution
Appears in Collections:Research publications

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