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Universal amplitude ratios in the two-dimensional q-state Potts model and percolation from quantum field theory

Abstract:

We consider the scaling limit of the two-dimensional q-state Potts model for q ≤ 4. We use the exact scattering theory proposed by Chim and Zamolodchikov to determine the one-and two-kink form factors of the energy, order and disorder operators in the model. Correlation functions and universal combinations of critical amplitudes are then computed within the two-kink approximation in the form factor approach. Very good agreement is found whenever comparison with exact results is possible. We f...

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Published

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Theoretical Physics
Role:
Author
Journal:
NUCLEAR PHYSICS B More from this journal
Volume:
519
Issue:
3
Pages:
551-578
Publication date:
1998-05-25
DOI:
ISSN:
0550-3213
Language:
English
Keywords:
Pubs id:
pubs:27350
UUID:
uuid:d0af0777-d56a-42cb-92a0-7b9e1fb12f20
Local pid:
pubs:27350
Source identifiers:
27350
Deposit date:
2012-12-19

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