Non-integrable Quantum Field Theories as Perturbations of Certain Integrable Models

Details Non-integrable Quantum Field Theories as Perturbations of Certain Integrable Models Non-integrable Quantum Field Theories as Perturbations of Certain Integrable Models

1996-03-04

arxiv.org/abs/hep-th/9603011v1

Nucl.Phys.B473:469-508,1996

Physics

High Energy Physics

High Energy Physics - Theory

60 pages, latex, 9 figures

Scientific paper

10.1016/0550-3213(96)00265-9

We approach the study of non--integrable models of two--dimensional quantum field theory as perturbations of the integrable ones. By exploiting the knowledge of the exact $S$-matrix and Form Factors of the integrable field theories we obtain the first order corrections to the mass ratios, the vacuum energy density and the $S$-matrix of the non-integrable theories. As interesting applications of the formalism, we study the scaling region of the Ising model in an external magnetic field at $T \sim T_c$ and the scaling region around the minimal model $M_{2,7}$. For these models, a remarkable agreement is observed between the theoretical predictions and the data extracted by a numerical diagonalization of their Hamiltonian.

Affiliated with

Also associated with

No associations

Rating

Non-integrable Quantum Field Theories as Perturbations of Certain Integrable Models does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Non-integrable Quantum Field Theories as Perturbations of Certain Integrable Models, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Non-integrable Quantum Field Theories as Perturbations of Certain Integrable Models will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-73367