Results 11 to 20 of about 23,387 (277)

Renormalization scheme dependence and renormalization group summation [PDF]

open access: yesCanadian Journal of Physics, 2018
We consider logarithmic contributions to the free energy, instanton effective action, and Laplace sum rules in QCD that are a consequence of radiative corrections. Upon summing these contributions by using the renormalization group, all dependence on the renormalization scale parameter μ cancels.
Chishtie, F.A., McKeon, D.G.C.
openaire   +3 more sources

Automatic differentiable numerical renormalization group

open access: yesPhysical Review Research, 2022
Machine learning techniques have recently gained prominence in physics, yielding a host of new results and insights. One key concept is that of backpropagation, which computes the exact gradient of any output of a program with respect to any input.
Jonas B. Rigo, Andrew K. Mitchell
doaj   +1 more source

Holographic Renormalization Group [PDF]

open access: yesProgress of Theoretical Physics, 2003
95 pages, 6 figures. Typos are corrected.
Fukuma, Masafumi   +2 more
openaire   +2 more sources

On ambiguities and divergences in perturbative renormalization group functions [PDF]

open access: yes, 2021
There is an ambiguity in choosing field-strength renormalization factors in the MS ¯ $$ \overline{\mathrm{MS}} $$ scheme starting from the 3-loop order in perturbation theory.
Thomsen, Anders Eller   +3 more
core   +1 more source

Neural Monte Carlo renormalization group

open access: yesPhysical Review Research, 2021
The key idea behind the renormalization group (RG) transformation is that properties of physical systems with very different microscopic makeups can be characterized by a few universal parameters.
Jui-Hui Chung, Ying-Jer Kao
doaj   +1 more source

Global renormalization group [PDF]

open access: yesPhysical Review D, 1998
LaTex, 39 pages. Final version, to appear in Phys.
Alexandre J., Branchina V., Polonyi J.
openaire   +5 more sources

Ward-constrained melonic renormalization group flow

open access: yesPhysics Letters B, 2020
In recent years, interesting investigations of the nonperturbative renormalization group equations for tensorial group field theories have been performed in the truncation method, while completely discarding the Ward identities from their analysis.
Vincent Lahoche, Dine Ousmane Samary
doaj   +1 more source

Higher logarithms and ε-poles for the MS-like renormalization prescriptions

open access: yesJournal of High Energy Physics, 2023
We consider a version of dimensional regularization (reduction) in which the dimensionful regularization parameter Λ is in general different from the renormalization scale μ.
N. P. Meshcheriakov   +2 more
doaj   +1 more source

New developments in the Renormalization Group [PDF]

open access: yes, 2021
In the first part of the thesis, we review the basics of the Exact Renormalization Group. In the central part, we design a specific choice of renormalization scheme in the context of Functional Renormalization Group to achieve the nonperturbative ...
BALDAZZI, ALESSIO
core  

Leading all-loop quantum contribution to the effective potential in general scalar field theory

open access: yesJournal of High Energy Physics, 2023
The RG equation for the effective potential in the leading log (LL) approximation is constructed which is valid for an arbitrary scalar field theory in 4 dimensions.
D. I. Kazakov   +2 more
doaj   +1 more source

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