The composite operator T\bar{T}, obtained from the components of the energy-momentum tensor, enjoys a quite general characterization in two-dimensional quantum field theory also away from criticality. We use the form factor bootstrap supplemented by asymptotic conditions to determine its matrix elements in the sinh-Gordon model. The results extend to the breather sector of the sine-Gordon model and to the minimal models M_{2/(2N+3)} perturbed by the operator phi_{1,3}.
The composite operator T(T)over-bar in sinh-Gordon and a series of massive minimal models / Delfino, Gesualdo; Niccoli, G.. - In: JOURNAL OF HIGH ENERGY PHYSICS. - ISSN 1029-8479. - 2006:05(2006), pp. 1-28. [10.1088/1126-6708/2006/05/035]
The composite operator T(T)over-bar in sinh-Gordon and a series of massive minimal models
Delfino, Gesualdo;
2006-01-01
Abstract
The composite operator T\bar{T}, obtained from the components of the energy-momentum tensor, enjoys a quite general characterization in two-dimensional quantum field theory also away from criticality. We use the form factor bootstrap supplemented by asymptotic conditions to determine its matrix elements in the sinh-Gordon model. The results extend to the breather sector of the sine-Gordon model and to the minimal models M_{2/(2N+3)} perturbed by the operator phi_{1,3}.| File | Dimensione | Formato | |
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