Matches in DBpedia 2015-10 for { <http://dbpedia.org/resource/Asymptotic_safety_in_quantum_gravity> ?p ?o }
- Asymptotic_safety_in_quantum_gravity abstract "Asymptotic safety (sometimes also referred to as nonperturbative renormalizability) is a concept in quantum field theory which aims at finding a consistent and predictive quantum theory of the gravitational field. Its key ingredient is a nontrivial fixed point of the theory's renormalization group flow which controls the behavior of the coupling constants in the ultraviolet (UV) regime and renders physical quantities safe from divergences. Although originally proposed by Steven Weinberg to find a theory of quantum gravity, the idea of a nontrivial fixed point providing a possible UV completion can be applied also to other field theories, in particular to perturbatively nonrenormalizable ones. In this respect, it is similar to Quantum triviality.The essence of asymptotic safety is the observation that nontrivial renormalization group fixed points can be used to generalize the procedure of perturbative renormalization. In an asymptotically safe theory the couplings do not need to be small or tend to zero in the high energy limit but rather tend to finite values: they approach a nontrivial UV fixed point. The running of the coupling constants, i.e. their scale dependence described by the renormalization group (RG), is thus special in its UV limit in the sense that all their dimensionless combinations remain finite. This suffices to avoid unphysical divergences, e.g. in scattering amplitudes. The requirement of a UV fixed point restricts the form of the bare action and the values of the bare coupling constants, which become predictions of the asymptotic safety program rather than inputs.As for gravity, the standard procedure of perturbative renormalization fails since Newton's constant, the relevant expansion parameter, has negative mass dimension rendering general relativity perturbatively nonrenormalizable. This has driven the search for nonperturbative frameworks describing quantum gravity, including asymptotic safety which — in contrast to other approaches—is characterized by its use of quantum field theory methods, without depending on perturbative techniques, however. At the present time, there is accumulating evidence for a fixed point suitable for asymptotic safety, while a rigorous proof of its existence is still lacking.".
- Asymptotic_safety_in_quantum_gravity wikiPageExternalLink 1188567.
- Asymptotic_safety_in_quantum_gravity wikiPageExternalLink C09025.
- Asymptotic_safety_in_quantum_gravity wikiPageExternalLink lrr-2006-5.
- Asymptotic_safety_in_quantum_gravity wikiPageExternalLink mg19826542.300-four-radical-routes-to-a-theory-of-everything.html.
- Asymptotic_safety_in_quantum_gravity wikiPageExternalLink index.html.
- Asymptotic_safety_in_quantum_gravity wikiPageExternalLink www.scholarpedia.org.
- Asymptotic_safety_in_quantum_gravity wikiPageExternalLink Asymptotic_Safety_in_quantum_gravity.
- Asymptotic_safety_in_quantum_gravity wikiPageExternalLink S0370157301000989.
- Asymptotic_safety_in_quantum_gravity wikiPageID "37596615".
- Asymptotic_safety_in_quantum_gravity wikiPageLength "40165".
- Asymptotic_safety_in_quantum_gravity wikiPageOutDegree "121".
- Asymptotic_safety_in_quantum_gravity wikiPageRevisionID "666318081".
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Action_(physics).
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Astrophysics.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Asymptotic_freedom.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Background_independence.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Beta_function_(physics).
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Black_hole.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Black_holes.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink CERN.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Cambridge_University_Press.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Category:Concepts_in_physics.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Category:Fixed_points_(mathematics).
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Category:Physical_cosmology.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Category:Quantum_field_theory.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Category:Renormalization_group.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Category:Scaling_symmetries.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Category:Theoretical_physics.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Causal_Dynamical_Triangulations.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Causal_dynamical_triangulation.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Causal_sets.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Christof_Wetterich.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Classical_scaling_dimension.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Coarse-grained.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Cosmological_constant.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Coupling_constant.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Coupling_constants.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Critical_exponent.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Critical_exponents.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Critical_phenomena.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Cutoff_(physics).
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Degrees_of_freedom_(physics_and_chemistry).
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Diffeomorphism_invariance.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Effective_action.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Effective_field_theory.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Einstein_field_equation.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Einstein_field_equations.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Einstein–Hilbert_action.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Euclidean_quantum_gravity.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Faddeev–Popov_ghost.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Fine-structure_constant.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Fine_structure_constant.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Fractal.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Fractal_cosmology.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Functional_derivative.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Functional_integration.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Functional_renormalization_group.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Gauge_fixing.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Gauge_theory.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink General_covariance.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink General_relativity.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Giorgio_Parisi.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Granularity.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Gravitation.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Gravitational_constant.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Gravity.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Gross-Neveu_model.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Gross–Neveu_model.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Higgs_boson.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Inflation_(cosmology).
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Infrared_limit.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Kenneth_G._Wilson.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Loop_integral.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Loop_quantum_gravity.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Macroscopic_scale.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Metric_tensor.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Momenta.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Momentum.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Newtons_constant.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Non-linear_sigma_model.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Perimeter_Institute.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Perimeter_Institute_for_Theoretical_Physics.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Perturbation_theory_(quantum_mechanics).
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Physical_cosmology.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Physics_Reports.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Physics_applications_of_asymptotically_safe_gravity.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Planck_scale.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Quantum_electrodynamics.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Quantum_field_theory.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Quantum_gravity.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Quantum_triviality.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Regge_Calculus.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Regge_calculus.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Renormalization.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Renormalization_group.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink S-Matrix.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink S-matrix.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Scalar_curvature.
- Asymptotic_safety_in_quantum_gravity wikiPageWikiLink Scalar_field_theory.