Chern simons modified gravity jackiw
WebJun 15, 2010 · Chern-Simons modified gravity is a four-dimensional, effective theory that descends both from string theory and loop quantum gravity, and that corrects the Einstein-Hilbert action by adding the product of a scalar field and the parity-violating, Pontryagin density. The Chern-Simons modification deforms the gravitational field of spinning black ... WebQUANTUM PHASE SHIFT IN CHERN-SIMONS MODIFIED GRAVITY K.K. Nandi1 ,2 3,a, I.R. Kizirgulov,b, ... Schwarzschild and Chern-Simons mod-ified gravity. However the …
Chern simons modified gravity jackiw
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WebFeb 7, 2024 · The Chern-Simons amended gravity theory appears as a low-energy effective theory of string theory. The effective theory includes an anomaly-cancelation correction to the Einstein-Hilbert action. The… Expand 1 PDF Tachyonic instability of Reissner-Nordström-Melvin black holes in Einstein-Maxwell-scalar theory Hengyu Xu, … WebNov 14, 2003 · Chern-Simons modification of general relativity R. Jackiw and S.-Y. Pi Phys. Rev. D 68, 104012 – Published 14 November 2003 More PDF Export Citation …
WebThe modification is visible in the intensity of gravitational radiation: the two polarizations of a gravity wave carry intensities that are suppressed or enhanced by the extension. … WebWe have considered the holographic dark energy and modified holographic Ricci dark energy models to analyze the time-dependent gravitational constant G(t) and cosmological constant Λ(t) in the context of Chern–Simons modified gravity theory. The FRW metric is used to examine the physical and kinematical properties of these models, …
WebMar 12, 2024 · We are interested in standing waves of a modified Schrödinger equation coupled with the Chern–Simons gauge theory. By applying a constraint minimization of Nehari-Pohozaev type, we prove the existence of radial ground state solutions. We also investigate the nonexistence for nontrivial solutions. Keywords WebMar 30, 2014 · Abstract and Figures In this paper, we study the dynamics of the Chern-Simons Inflation Model proposed by Alexander, Marciano and Spergel. According to this model, inflation begins when a...
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WebChern-Simons gravity (CSG) is a (2+1)-dimensional gauge model for gravity [1,2], which is in essence different from general relativity (GR). Such an approach has been … mark\u0027s feed store bardstown rd louisville kyWebConsequently diffeomorphism symmetry breaking is hidden in the modified theory: the Schwarzschild metric is a solution; gravitational waves possess two polarizations, each … mark\u0027s feed store bardstown roadWebA. Jawad and A. Sohail , Cosmological evolution of modified QCD ghost dark energy in dynamical Chern-Simons gravity, Astrophys. Space Sci. 55 (2015) 359. Google … naylor\\u0027s ace hardwareWebA Chern-Simons modified gravity in D = 4 dimensions proposed by Jackiw and Pi [ 1, 2] has attracted a lot of attention recently [ 3]. The Jackiw-Pi model is derived from an action that consists of the usual Einstein-Hilbert term plus a topological term with a cosmic scalar field θ appearing as a Lagrange multiplier. naylor\\u0027s ace hardware oakland mdWeb1 Introduction A Chern-Simons modified gravity in D = 4 dimensions proposed by Jackiw and Pi [ 1, 2] has attracted a lot of attention recently [ 3]. The Jackiw-Pi model is derived … naylor\\u0027s ace hardware cumberland mdWebAug 1, 2009 · We investigate a slowly rotating black hole in four-dimensional extended Chern-Simons modified gravity. We obtain an approximate solution that reduces to the … naylor\\u0027s auto repair hayward wiWebSep 27, 2011 · We analyze a holographic model with a pure gauge and a mixed gauge-gravitational Chern-Simons term in the action. These are the holographic implementations of the usual chiral and the mixed gauge-gravitational anomalies in four dimensional field theories with chiral fermions. We discuss the holographic renormalization and show that … mark\u0027s feed store catering prices