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17 papers · 2 filters
Branes in the Euclidean AdS_3
B. Ponsot, V. Schomerus, J. Teschner
In this work we propose an exact microscopic description of maximally symmetric branes in a Euclidean background. As shown by Bachas and Petropoulos, the most important suc…
Mutually local fields from form factors
O. A. Castro-Alvaredo, A. Fring
We compare two different methods of computing form factors. One is the well established procedure of solving the form factor consistency equations and the other is to represent the…
The "Bootstrap Program" for Integrable Quantum Field Theories in 1+1 Dim
H. Babujian, M. Karowski
The purpose of the "bootstrap program" is to construct integrable quantum field theories in 1+1 dimensions in terms of their Wightman functions explicitly. As an input the integrab…
Boundary Liouville Field Theory: Boundary Three Point Function
B. Ponsot, J. Teschner
Liouville field theory is considered on domains with conformally invariant boundary conditions. We present an explicit expression for the three point function of boundary fields in…
Bootstrap Methods in 1+1-Dimensional Quantum Field Theories: The Homogeneous Sine-Gordon Models
Olalla A. Castro-Alvaredo
The bootstrap program for 1+1-dimensional integrable Quantum Field Theories (QFT's) is developed to a large extent for the Homogeneous sine-Gordon (HSG) models. This program can be…
Functional Closure of Schwinger-Dyson Equations in Quantum Electrodynamics, Part 1: Generation of Connected and One-Particle Irreducible Feynman Diagrams
Axel Pelster, Hagen Kleinert, Michael Bachmann
Using functional derivatives with respect to free propagators and interactions we derive a closed set of Schwinger-Dyson equations in quantum electrodynamics. Its conversion to gra…