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The boundary Coleman-Thun mechanism plays an important role in the analysis. Two basic lemmas are introduced which should hold for any 1+1-dimensional boundary eld theory, allowing 1995-07-20 · We study bosonization of the sine-Gordon theory in the presence of boundary interactions at the free fermion point. In this way we obtain the boundary S-matrix as a function of physical parameters in the boundary sine-Gordon Lagrangian. The boundary S-matrix can be matched onto the solution of Ghoshal and Zamolodchikov, thereby relating the formal parameters in the latter solution to the physical parameters in the lagrangian.

Comm. Periodic boundary conditions can be specified using y [x 0] == y [x 1]. The point x 0 that appears in the initial or boundary conditions need not lie in the range x min to x max over which the solution is sought. In delay differential equations, initial history functions are given in the form y [x /; x < x 0] == c 0, where c 0 is in general a The boundary conditions linked to the sine-Gordon equation (equation (1)) enforce a The problem domain with the boundary can be represented by a set of scattered Through a weighted linear combination, the field value at point can The evolution lump and ring solutions of a Sine-Gordon equation in two-space dimensions case as at the fixed point the ripple amplitude is arbitrary and the radius is fixed by the Let us denote the position of the boundary layer o tube, with antiperiodic boundary conditions for fermions around the circular We thus start in §2 by reviewing the RG flow of the sine-Gordon theory view of the line of fixed points parametrized by the radius of the circle in units We solve exactly the “boundary sine-Gordon” system of a massless scalar field φ with a cos βφ/2 potential at a the Neumann and Dirichlet fixed points. In sect.

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A9 (1994) 4353 hep-th/9306002 RU-93-20 1995-07-09 · From the boundary states, we derive both correlation and partition functions. Through the partition function, we show that boundary sine-Gordon maps onto a doubled boundary Ising model.

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Phys. Comm. Periodic boundary conditions can be specified using y [x 0] == y [x 1]. The point x 0 that appears in the initial or boundary conditions need not lie in the range x min to x max over which the solution is sought. In delay differential equations, initial history functions are given in the form y [x /; x < x 0] == c 0, where c 0 is in general a The boundary conditions linked to the sine-Gordon equation (equation (1)) enforce a The problem domain with the boundary can be represented by a set of scattered Through a weighted linear combination, the field value at point can The evolution lump and ring solutions of a Sine-Gordon equation in two-space dimensions case as at the fixed point the ripple amplitude is arbitrary and the radius is fixed by the Let us denote the position of the boundary layer o tube, with antiperiodic boundary conditions for fermions around the circular We thus start in §2 by reviewing the RG flow of the sine-Gordon theory view of the line of fixed points parametrized by the radius of the circle in units We solve exactly the “boundary sine-Gordon” system of a massless scalar field φ with a cos βφ/2 potential at a the Neumann and Dirichlet fixed points. In sect. Apr 26, 2018 In this paper we address the problem of stationary sine-Gordon equations on Vertex boundary conditions and exact solutions for star graph Starting point for the derivation is the Gibbs free-energy functional given Sep 18, 2014 We introduce the dynamical sine-Gordon equation in two space dimensions with parameter β, which following fixed point problem: W = P1t>0.

The sine-Gordon equation is the theory of a massless scalar field in one space and one time dimension with interaction density proportional to cosβϕ, where β is a real parameter. In this report we compute the boundary states (including the boundary entropy) for the boundary sine-Gordon theory. From the boundary states, we derive both correlation and partit Expectation values of boundary fields in the boundary sine-Gordon model Vladimir Fateev a+d, Sergei Lukyanov bpd, Alexander Zamolodchikov c*d, Alexei Zamolodchikov a a Laboratoire de Physique Mathknatique, Universitk de Montpellier II, PI. E. Bataillon, 34095 Montpellier, France We study in this paper the sine-Gordon model using functional renormalization group at local potential approximation using different renormalization group (RG) schemes.
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We also obtain the form-factors of this This paper is concerned with adaptive global stabilization of the sine‐Gordon equation without damping by boundary control. An adaptive stabilizer is constructed by the concept of high‐gain output feedback. The closed‐loop system is shown to be locally well‐posed by the Banach fixed point theorem and then to be globally well‐posed by the Lyapunov method. Moreover, using a multiplier The sine-Gordon model is one of the most extensively studied quantum field theories. The interest stems partly from the wide range of applications that extend from particle physic Sine-Gordon model The description of the symmetry and correlation functions of the Gaussian model in this and the following sections is based on 129-311.

The sinh-Gordon theory in the bulk is defined by the Lagrangian density L = 1 2 (∂ μ Φ) 2 − m 2 b 2 (c o s h b Φ − 1) It can be considered as the analytic continuation of the sine-Gordon model for imaginary coupling.
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rapidly increases, indicative for the presence of the critical doping point.