Renormalization Group
Pfeffer, Tobias (2019): Homotopy and renormalization group approaches for strongly correlated systems. Dissertation, LMU München: Fakultät für Physik
... exact renormalization group theory developed by Kosterlitz [20] for the 2D classical XY ...perturbative renormalization group of Kane and Fisher describing the effect of an isolated impurity ...
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Renormalization group analysis of a turbulent compressible fluid near d = 4: Crossover between local and non-local scaling regimes
... The renormalization group approach to such problems has been successful in verifying Kolmogorov scal- ing and provides an efficient tool for a calculation of universal ...theoretic renormalization ...
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Stochastic Navier–Stokes Equation with Colored Noise: Renormalization Group Analysis
... A very powerful method to study the various statistical models of turbulence is provided by the field theoretic renormalization group; see the monographs [10, 11] and references therein. In a num- ber of ...
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Irreversibility of the renormalization group flow in non-unitary quantum field theory
... The theoretical understanding of quantum critical phenomena is one of the cornerstones of modern theoretical physics. It has been known for some time that such phenomena, both classical and quantum, are characterized by ...
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Application of the functional renormalization group method to classical free energy models
... wavelength smaller than 2π/Λ have already been incorporated into the original free energy. Applying the renormalization group process will incorporate density fluctuations of larger wavelengths 2π/Q by ...
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Numerical Calculation of Scaling Exponents of Percolation Process in the Framework of Renormalization Group Approach
... The renormalization group theory is used to the study of the directed bond per- colation (Gribov process) near its second-order phase transition between absorbing and active ...the renormalization ...
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The hadronic light-by-light contribution to the muon anomalous magnetic moment and renormalization group for EFT
... two facts. The dependence of any observable on the subtraction scale µ vanishes, µ dF/dµ = 0 and ultraviolet divergences in QFT are local. In renormalizable QFT leading logarithms can be described by a running coupling. ...
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The Renormalization Group Theory Combined to the Ms-GEC Method to Study Active Fractal Structures with Incorporated PIN Diodes
... Due to their self-similarity and infinite complexities, fractal geome- tries [1] allow for small, multiband and broadband structures design [2– 4]. Moreover, static behavior is no longer preferred and active struc- tures ...
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Deviation pattern approach for optimizing perturbative terms of QCD renormalization group invariant observables
... of renormalization group-induced estimates, in the context of optimization procedures, for the Brodsky-Lepage-Mackenzie approach to gen- erate higher-order contributions to QCD perturbative ...
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Are Causal Facts Really Explanatorily Emergent? Ladyman and Ross on Higher-level Causal Facts and Renormalization Group Explanation\ud
... In their Every Thing Must Go, Ladyman and Ross defend a novel version of Neo- Russellian metaphysics of causation, which falls into three claims: (1) there are no fundamental physical causal facts (orthodox Russellian ...
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Form factor π0γ*γ in lightcone sum rules combined with renormalization-group summation vs experimental data.
... We considered the lightcone sum-rule description of the pion-photon transition form fac- tor in combination with the renormalization group of QCD and compared the obtained TFF predictions with the ...
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Using a Renormalization Group to Create Ideal Hierarchical Network Architecture with Time Scale Dependency
... This paper discusses one part of a research project that is examining such gimmicks and focuses on the design of in- formation communication networks as large-scale and com- plex systems. In other words, the aim of this ...
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Effects of Random Environment on a Self-Organized Critical System: Renormalization Group Analysis of a Continuous Model
... theoretic renormalization group we show that, depending on the relation between the exponent ξ and the spatial dimension d, the system reveals different types of large-scale, long-time scaling behaviour, ...
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Functional renormalization group approach to the four-body problem
... the renormalization group behavior of the rele- vant four-body interactions with an approximate, but sim- ple and physically intuitive model which allows only for pointlike three- and four-body ...
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Functional renormalization group and conformal invariance in cold atoms
... derived first by Wetterich in [8]. Here STr stands for a gen- eralized supertrace which sums over momenta, Matsubara frequencies, internal indices and fields (taking fermions with a minus sign) and the second functional ...
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Similarity renormalization group evolution of N N interactions within a subtractive renormalization scheme
... The renormalization group (RG) techniques have been successfully applied to analyze the scale dependence and the power counting scheme of NN iteractions in the con- text of ChEFT [5–7] and to derive ...
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Renormalization Group in Non-Relativistic Quantum Statistics
... field-theoretic renormalization-group (RG) analysis of the effective model and obtained results which differ from those of both the early microscopic approach and models E and ...
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A Note on Higher Order Renormalization Group Method
... Perturbation methods are amongst the most powerful in applied mathematics and engineering [1,2] and have been applied to diverse problems (e.g. [3-11]). A relatively new method is the Renormalization Group ...
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Renormalization group flow with unstable particles
... Phys.Lett. B222, 97 (1989); N.E. Mavromatos, J.L. Mi- ramontes and J.M. Sanchez de Santos, Phys.Rev. D40, 535 (1989); I. Jack and H. Osborn, Nucl.Phys. B343, 647 (1990); G.M. Shore, Phys.Lett. B253, 380 (1991); A. ...
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Renormalization Group Limit of Anderson Models
... This paper focuses on the rigorous mathematical treat- ment of the Anderson localization phenomena, very impor- tant in physics of solid state, mostly for the respective Green functions. The physical foundations of this ...
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