Chern simons modified general relativity pdf

Moreover, the almost simultaneous detection of gws. Pdf dynamical chernsimons modified gravity and friedmann. Chernsimons modified general relativity chernsimons modified general relativity alexander, stephon. The chernsimons theory is a 3dimensional topological quantum field theory of schwarz type developed by edward witten. Chern simons modified gravity is an effective extension of general relativity that captures leadingorder, gravitational parity violation. The chernsimons modified gravity represents an inter esting modification of general relativity, in which the ein steinhilbert action is extended. Chernsimons modified gravity is an effective extension of general relativity that captures leadingorder. This implies that such terms in the action do not affect birkhoffs theorem or any previously known spherically symmetric solutions. Title general relativity solutions in modified gravity. Pdf we study the conditions for the consistency of the friedmannrobertson walker frw metric with the dynamical chernsimons modified gravity. We formulate chernsimons modified gravity, and we provide a derivation of the modified field equations by embedding the 3dcs theory into the 4dgr. Chernsimons modification of general relativity inspirehep.

We construct the conserved charges mass and angular momentum of the chern simons modified general relativity in asymptotically flat and antide sitter ads spacetimes. This entails choosing an embedding coordinate v an external quantity, which we. Pdf chernsimons modification of general relativity semantic. Chernsimons modified general relativity sciencedirect. General relativity is extended by promoting the threedimensional gravitational chern simons term to four dimensions. It is named after mathematicians shiingshen chern and james harris simons who invented chernsimons 3form. Cosmological analysis of dynamical chernsimons modified.

New tsallis agegraphic dark energy in chernsimons modified gravity. The purpose of this paper is to study the cosmological evolution of the universe in the framework of dynamical chernsimons modified gravity. General relativity is extended by promoting the threedimensional gravitational chernsimons term to four dimensions. Cosmological analysis of modified holographic ricci dark. In this paper, we study the cosmological analysis of the modified holographic ricci dark energy model and reconstruct different scalar field models in the context of chernsimons modified gravity. Pdf on the chernsimons state in general relativity and. On the chern simons state in general relativity and modified gravity theories article pdf available in journal of physics conference series 5451. Chernsimons modified gravity is an effective extension of general relativity that captures leadingorder, gravitational parity. It was discovered firstly by a mathematical physicist albert schwarz. Chernsimons modified gravity is an effective extension of general relativity that captures leadingorder, gravitational parity violation. The maxwellchernsimons gravity, and its cosmological implications. Such an effective theory is motivated by anomaly cancelation in particle physics and string theory. Chernsimons modified general relativity request pdf. General relativity is extended by promoting the threedimensional gravita tional chernsimons term to four dimensions.

We take pilgrim dark energy model with hubble and event horizons in interacting scenario with cold dark matter. Chernsimons modified general relativity, physics reports. Particles and fields 772 november 2007 with 38 reads how we measure reads. The equation of state parameter in this case also favors the fact that dark energy is. Chernsimons modification of general relativity core. We investigate the deceleration parameter, which shows that the universe is in the accelerating expansion phase. Chernsimons modified general relativity inspirehep. The theory is identical to one in which the embedding coordinate is itself a dynamical variable, rather than a fixed, external quantity. In the chernsimons theory, the action is proportional to the integral of the chernsimons 3. Chernsimons modification of general relativity semantic scholar. For this scenario, we discuss cosmological parameters such as hubble and equation of state and cosmological plane like 3 dimensions. Chern simons modified gravity csmg is a wellknown effective extension of general relativity gr that considers nonminimal coupling between a gravitational scalar degree of freedom and the.