Chern simons modified general relativity pdf

Chernsimons modification of general relativity semantic scholar. The maxwellchernsimons gravity, and its cosmological implications. The equation of state parameter in this case also favors the fact that dark energy is. Cosmological analysis of dynamical chernsimons modified. Pdf we study the conditions for the consistency of the friedmannrobertson walker frw metric with the dynamical chernsimons modified gravity. General relativity is extended by promoting the threedimensional gravitational chernsimons term to four dimensions. The chernsimons theory is a 3dimensional topological quantum field theory of schwarz type developed by edward witten.

We investigate the deceleration parameter, which shows that the universe is in the accelerating expansion phase. Chernsimons modified general relativity request pdf. For this scenario, we discuss cosmological parameters such as hubble and equation of state and cosmological plane like 3 dimensions. We formulate chernsimons modified gravity, and we provide a derivation of the modified field equations by embedding the 3dcs theory into the 4dgr. Pdf on the chernsimons state in general relativity and. This implies that such terms in the action do not affect birkhoffs theorem or any previously known spherically symmetric solutions. On the chern simons state in general relativity and modified gravity theories article pdf available in journal of physics conference series 5451. Title general relativity solutions in modified gravity. General relativity is extended by promoting the threedimensional gravita tional chernsimons term to four dimensions. Moreover, the almost simultaneous detection of gws. We construct the conserved charges mass and angular momentum of the chern simons modified general relativity in asymptotically flat and antide sitter ads spacetimes.

Chernsimons modified gravity is an effective extension of general relativity that captures leadingorder, gravitational parity violation. New tsallis agegraphic dark energy in chernsimons modified gravity. Chernsimons modification of general relativity inspirehep. Chernsimons modified gravity is an effective extension of general relativity that captures leadingorder.

Chernsimons modified general relativity, physics reports. The theory is identical to one in which the embedding coordinate is itself a dynamical variable, rather than a fixed, external quantity. Chernsimons modified general relativity inspirehep. 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. It is named after mathematicians shiingshen chern and james harris simons who invented chernsimons 3form. Chern simons modified gravity is an effective extension of general relativity that captures leadingorder, gravitational parity violation. We take pilgrim dark energy model with hubble and event horizons in interacting scenario with cold dark matter. It was discovered firstly by a mathematical physicist albert schwarz. Particles and fields 772 november 2007 with 38 reads how we measure reads. Chernsimons modified general relativity chernsimons modified general relativity alexander, stephon. Chernsimons modified general relativity sciencedirect. Cosmological analysis of modified holographic ricci dark.

The purpose of this paper is to study the cosmological evolution of the universe in the framework of dynamical chernsimons modified gravity. Chernsimons modified gravity is an effective extension of general relativity that captures leadingorder, gravitational parity. Pdf dynamical chernsimons modified gravity and friedmann. Pdf chernsimons modification of general relativity semantic.

The chernsimons modified gravity represents an inter esting modification of general relativity, in which the ein steinhilbert action is extended. General relativity is extended by promoting the threedimensional gravitational chern simons term to four dimensions. Such an effective theory is motivated by anomaly cancelation in particle physics and string theory. In the chernsimons theory, the action is proportional to the integral of the chernsimons 3. This entails choosing an embedding coordinate v an external quantity, which we. Chernsimons modification of general relativity core.