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Universal amplitude ratios in the two-dimensional Ising model

G. Delfino
(
- Montpellier U.
)

Oct, 1997

8 pages

Published in:

Phys.Lett.B 419 (1998) 291-295,
Phys.Lett.B 518 (2001) 330-330 (erratum)

e-Print:

hep-th/9710019 [hep-th]

DOI:

10.1016/S0370-2693(97)01457-3,
10.1016/S0370-2693(01)01065-6 (erratum)

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Abstract:

We use the results of integrable field theory to determine the universal amplitude ratios in the two-dimensional Ising model. In particular, the exact values of the ratios involving amplitudes computed at nonzero magnetic field are provided.

Note:

9 pages; a factor 8/15 included in the amplitude A_c and the ratio R_A, typos corrected

Ising model
dimension: 2
field theory: integrability
scattering amplitude: ratio
universality

References(22)

Figures(0)

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