Dynamic Scalar Torsion and an Oscillating Universe

Abstract

For the Poincare gauge theory of gravity we consider the dynamical scalar torsion mode in a cosmological context. We explore in particular the possibility of using dynamical torsion to explain the current state of the accelerating Universe. With certain suitable sets of chosen parameters, this model can give a (qualitatively) proper description of the current universe without a cosmological constant, and the universe described is oscillating with a period of the Hubble time.

13 pages, 12 eps figures, an invited talk to 2006 International Symposium on Cosmology and Particle Astrophysics, Taipei, Taiwan, 15-17 Nov 2006

References in corpus (17)

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• Measurements of Omega and Lambda from 42 High-Redshift Supernovae
• The Cosmological Constant and Dark Energy
• Cosmological Imprint of an Energy Component with General Equation of State
• Cosmological Constant - the Weight of the Vacuum
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• Torsion Gravity: a Reappraisal
• Solving the Coincidence Problem: Tracking Oscillating Energy
• Hamiltonian analysis of Poincaré gauge theory scalar modes
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• Fermion Helicity Flip Induced by Torsion Field
• Oscillating dark energy: a possible solution to the problem of eternal acceleration
• Matching torsion Lambda - term with observations
• Single Field Baryogenesis
• Effects of a torsion field on Big Bang nucleosynthesis

Cited by in corpus (23)

• Beyond Einstein-Cartan gravity: Quadratic torsion and curvature invariants with even and odd parity including all boundary terms
• Torsion Cosmology and the Accelerating Universe
• Dark spinors with torsion in cosmology
• Poincare gauge theory of gravity: Friedman cosmology with even and odd parity modes. Analytic part
• Cosmological dynamics with propagating Lorentz connection modes of spin zero
• The particle spectrum of parity-violating Poincaré gravitational theory
• Revisiting the Stability of Quadratic Poincaré Gauge Gravity
• Torsion cosmological dynamics
• Analytical approach of late-time evolution in a torsion cosmology
• Poincaré Gauge Theory With Coupled Even And Odd Parity Dynamic Spin-0 Modes: Dynamic Equations For Isotropic Bianchi Cosmologies
• Cosmological Perturbation Theory in Metric-Affine Gravity
• Statefinder diagnostic in a torsion cosmology
• Einstein-Proca theory from the Einstein-Cartan formulation
• Poincaré gauge theory with even and odd parity dynamic connection modes: isotropic Bianchi cosmological models
• Constraining Torsion in Maximally symmetric (sub)spaces
• Stability of Poincaré gauge theory with cubic order invariants
• Cosmological Dark sector from a Mimetic-Metric-Torsion perspective
• Mimetic-Metric-Torsion with induced Axial mode and Phantom barrier crossing
• The torsion cosmology in Kaluza-Klein theory
• Cosmological Constant, Inflaton, and Dark Matter all Naturally Originated from Poincaré Gauge Gravity
• Teleparallel Poincaré Cosmology and $\Lambda$CDM Model
• Wormholes in Poincarè gauge theory of gravity
• New effective theories of gravitation and their phenomenological consequences