Quantum interferences in attosecond physics - Lund

57. R(r1 − r2) = 〈 16 Feb 2012 The sine-Gordon model is discussed and analyzed within the framework of the renormalization group theory. A perturbative renormalization Known Bethe ansatz results about the sine–Gordon factorized scattering are reinterpreted in terms of perturbed conformal field theory. We obtain an exact 25 Feb 2021 The beta functions are calculated for the sine-Gordon model with multiple cosine interactions. The second-order correction in the renormalization Sine-Gordon models. C-function. Results.

We analyse the renormalizability of the sine-Gordon model by the example of the two-point Green function up to second order in alpha_r(M), the dimensional coupling constant defined at the normalization scale M, and to all orders in beta^2, the dimensionless coupling constant. We analyse the renormalizability of the sine–Gordon model by the example of the two–point causal Green function up to second order in αr(M 2), the dimensional coupling constant defined at the normalization scale M, and to all orders in β 2, the dimensionless coupling constant. A momentum space renormalization is presented for the sine-Gordon model with an arbitrary cut-off function. In contrast to previous work the present method reproduces the slope of the critical line as found from the Kosterlitz renormalization of the equivalent Coulomb gas and is also applicable to the case of a sharp cut-off function. The functional renormalization group treatment is presented for the two-dimensional sine-Gordon model including a bilocal term in the potential, which contributes to the flow at the tree level.

Renormalization group flow for general SU (2) coset models.

Spectra and Dynamics of Excitations in Long-Range - DiVA

photons, and Klein-Gordon mesons and per-form a series of calculations designed to implementingthe renormalization program and evaluating effects of radia-tive corrections, Search and compare hundreds of new car vehicle categories and models. Danika Gordon This book helps remind kids that through every day actions of being kind, helpful and Shop W.B. Seeing Sine and Cosine. references ↑ Near parabolic renormalization for unisingular holomorphic maps by Arnaud Cheritat The sine-Gordon model is discussed and analyzed within the framework of the renormalization group theory. A perturbative renormalization group procedure is carried out through a decomposition of the sine-Gordon field in slow and fast modes.

gordon-shapiro model — Svenska översättning - TechDico

Non-perturbative renormalization of the sine-Gordon model. The variational approach to the sine-Gordon model. WKB formula for the mass of quantum breather.

The RG behavior of ˜SG theory is com-pletely di erent(and somewhat much more simpler) than SG theory, and it shows that relevance of tunneling be-tween double-layer edge modes changes according to bulk topological structure. We analyse the renormalizability of the sine–Gordon model by the example of the two–point causal Green function up to second order in αr(M2), the dimensional coupling constant defined at the normalization scale M, and to all orders in β2, the dimensionless coupling constant. We show that all divergences can be removed by the renormalization of the dimensional coupling constant using the 2018-01-01 · In this paper, we investigate the renormalization group theory for the 2D generalized sine-Gordon model by using the dimensional regularization method to regularize the divergence [50-52]. Here the generalized sine-Gordon model is a sine-Gordon model that includes high frequency cosine potential terms such as cos(n[theta]) for an integer n. We renormalize the (1+1)-dimensional sine-Gordon model by placing it on a Euclidean lattice, and study the renormalization group flow. We start with a compactified theory with controllable vortex activity. In the continuum limit the theory has a phase in which the kink current is anomalous, with divergence given by the vortex density.
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Sine-Gordon Model. Re-scaled Action for the sine-Gordon model. Renormalization group flows equations of the sine-Gordon model.

The fractional charge appears in the model during renormalization as a repulsion beyond the cutoff. Multi-particle production cancels on mass shell. The exact solution shows once again the equivalence of the Thirring model and the quantum sine-Gordon model.
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gordon-shapiro model — Svenska översättning - TechDico

SUMMARY OF THE LECTURES.