Critical exponents for the FPL 2 model
作者： Bernard Nienhuis , David Dei Cont
DOI:
关键词: Mathematical analysis 、 Bethe ansatz 、 Critical exponent 、 Scaling 、 Square lattice 、 Cartan matrix 、 Mathematics 、 Scaling dimension 、 Central charge 、 Charge (physics)
摘要: Starting from the Bethe ansatz solution we derive a set of coupled non-linear integral equations for fully packed double loop model (FPL 2 ) on square lattice. As an application find exact expressions central charge and scaling dimension corresponding to simplest excitation. We study numerically low-lying excitations more general perturbations ground state discover that dimensions are well described by Cartan matrix sl4.
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