Results 101 to 110 of about 161,407 (287)

Functional renormalization group flow of massive gravity

European Physical Journal C: Particles and Fields, 2020
We apply the functional renormalization group equation to a massive Fierz–Pauli action in curved space and find that, even though a massive term is a modification in the infrared sector, the mass term modifies the value of the non-gaussian fixed point in
Maximiliano Binder, Iván Schmidt
doaj   +1 more source

Wilson Loop Renormalization Group Flows

, 2011
The locally BPS Wilson loop and the pure gauge Wilson loop map under AdS/CFT duality to string world-sheet boundaries with standard and alternate quantizations of the world-sheet fields.
AA Migdal, AA Migdal, AJ Amsel, AM Polyakov, AM Polyakov, AM Polyakov, AM Polyakov, DJ Gross, G Parisi, IR Klebanov, J Gomis, J McGreevy, James Sully, JM Maldacena, Joseph Polchinski, LF Alday, N Drukker, N Drukker, N Drukker, N Sakai, O Andreev, O Andreev, S Hollands, S-J Rey, V Dotsenko, WA Bardeen, Y Makeenko, Y Makeenko   +27 more
core   +1 more source

Elucidating the Role of Chain Stiffness in Conformational Behaviors of Conjugated Polymers in Dilute Solution via Coarse‐Grained Modeling

Journal of Polymer Science, EarlyView.
Chain conformations and persistence lengths of conjugated polymers with varying backbone stiffness under different sovlent qualities and temperature conditions. ABSTRACT Conjugated polymers (CPs) are characteristically distinguished by their rigid π‐conjugated backbone and flexible side chains, which play a crucial role in determining their ...
Liujing Wang, Lan Xu, Long Chen, Zhuang Wu, Zhaofan Li, Wenjie Xia   +5 more
wiley   +1 more source

General quartic β-function at three loops

Journal of High Energy Physics
We determine the three-loop MS ¯ $$ \overline{\textrm{MS}} $$ quartic β-function for the most general renormalisable four-dimensional theories. A general parametrisation of the β-function is compared to known β-functions for specific theories to fix all ...
Tom Steudtner, Anders Eller Thomsen
doaj   +1 more source

Renormalization of Long-wavelength Solution of Einstein Equation

, 1999
Using the renormalization group method, we improved the first order solution of the long-wavelength expansion of the Einstein equation. By assuming that the renormalization group transformation has the property of Lie group, we can regularize the secular
Nambu, Yasusada, Yamaguchi, Yoshiyuki Y.
core   +1 more source

Unraveling Non‐Cubic Atomic Ordering in Surfactant‐Free AuAg Decahedral Nanoparticles by Pair Distribution Function (PDF) Analysis

Particle &Particle Systems Characterization, EarlyView.
The atomic arrangement of few‐nm‐wide surfactant‐free noble metal (AuAg) decahedral nanoparticles is characterized using a structural refinement based on Pair Distribution Function (PDF) derived from Precession Electron Diffraction (PED). The results indicate that the measured structure is not well described by the classical Bagley body‐centered ...
Leonardo M. Corrêa, Murilo Moreira, Varlei Rodrigues, Daniel Ugarte   +3 more
wiley   +1 more source

Renormalization group in super-renormalizable quantum gravity

European Physical Journal C: Particles and Fields, 2018
One of the main advantages of super-renormalizable higher derivative quantum gravity models is the possibility to derive exact beta functions, by making perturbative one-loop calculations.
Leonardo Modesto, Lesław Rachwał, Ilya L. Shapiro   +2 more
doaj   +1 more source

Unification of Conformal and Fuzzy Gravities With Internal Interactions Resulting in SO(10) and a Possible Probe Through Stochastic Gravitational Wave Background

Fortschritte der Physik, EarlyView.
Abstract The unification of conformal and fuzzy gravities with internal interactions is based on the facts that i) the tangent group of a curved manifold and the manifold itself do not necessarily have the same dimensions and ii) both gravitational theories considered here have been formulated in a gauge theoretic way.
Gregory Patellis, Danai Roumelioti, Stelios Stefas, George Zoupanos   +3 more
wiley   +1 more source

Renormalization group procedure for potential −g/r2

Physics Letters B, 2018
Schrödinger equation with potential −g/r2 exhibits a limit cycle, described in the literature in a broad range of contexts using various regularizations of the singularity at r=0. Instead, we use the renormalization group transformation based on Gaussian
S.M. Dawid, R. Gonsior, J. Kwapisz, K. Serafin, M. Tobolski, S.D. Głazek   +5 more
doaj   +1 more source

Properties of Renormalization Group Transformations

, 1997
We describe some properties of Renormalization Group transformations. Especially we show why some of the RG transformations have redundant eigenoperators with eigenvalues that cannot be determined by simple dimensional analysis and give the corresponding
Bell, Bietenholz, Bietenholz, Blatter, DeGrand, DeGrand, Farchioni, Hasenfratz, Hasenfratz, Kadanoff, Niedermayer, Niedermayer, Peter Kunszt, Wiese, Wilson, Wilson, Wilson   +16 more
core   +1 more source