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Proposed model of gravity
(DGP) model is a model of gravity proposed by Gia Dvali, Gregory Gabadadze, and Massimo Porrati in 2000. The model is popular among some model builders
DGP_model
Mathematical model of the Big Bang
galileon [ko] theories (see Galilean invariance), brane cosmologies, the DGP model, and massive gravity and its extensions such as bimetric gravity.[citation
Lambda-CDM_model
Georgian physicist (born 1964)
contributions stand his pioneering works on Large extra dimensions and the DGP model of modified gravity. Dvali was born on 30 May 1964 in Tbilisi, Georgia
Giorgi_Dvali
Field theory in physics that aims to unify the fundamental forces and particles
of the known fundamental forces are mediated by fields. In the Standard Model of particle physics, three of these result from the exchange of gauge bosons
Unified_field_theory
Extra-dimensional model of the universe
on RS graviton production.[clarification needed] Physics portal ADD model DGP model Goldberger–Wise mechanism Kaluza–Klein theory Scientific importance
Randall–Sundrum_model
Contraction of an astronomical object due to the influence of its gravity
white dwarfs in a close binary system; the so-called double-degenerate model. When the combined mass exceeds the Chandrasekhar limit, a Type Ia supernova
Gravitational_collapse
Georgian American physicist (born 1964)
collaborated with Gia Dvali and Massimo Porrati to propose the DGP model of gravity. This model, which assumes the existence of a 4+1-dimensional Minkowski
Gregory_Gabadadze
Approach to quantum gravity using discrete spacetime
contributions. The best model for dynamics at the moment is a classical model in which elements are added according to probabilities. This model, due to David Rideout
Causal_sets
Kinetic theory of gravity
corpuscles) impacting all material objects from all directions. According to this model, any two material bodies partially shield each other from the impinging
Le Sage's theory of gravitation
Le_Sage's_theory_of_gravitation
Theory proposed by Roger Penrose
includes the original twistor string and extends to give a number of new models and formulae. As string theories they have the same critical dimensions
Twistor_theory
Attraction of masses and energy
craft. The physical models of gravity, like all physical models, are expressed mathematically. Physicists use several different models, depending on the
Gravity
Classical statement of gravity as force
Newton's 1713 General Scholium in the second edition of Principia explains his model of gravity, translated in this case by Samuel Clarke: I have explained the
Newton's law of universal gravitation
Newton's_law_of_universal_gravitation
Analogies between Maxwell's and Einstein's field equations
Williams developed a rigorous proof that validated Penrose's mechanism. Her model showed how the Lense–Thirring effect could account for the observed high
Gravitoelectromagnetism
Theory of gravity in which the graviton has nonzero mass
Horndeski's theory Bimetric gravity – Proposed theories of gravity DGP model – Proposed model of gravity Scalar–tensor theory – Theory in physics with scalars
Massive_gravity
Hypothetical elementary particle that mediates gravity
bosons. All three forces appear to be accurately described by the Standard Model of particle physics. In the classical limit, a successful theory of gravitons
Graviton
Topics referred to by the same term
urban plan of Singapore's Urban Redevelopment Authority DGP gravity, in physics, a brane world model Data generating process, in statistics Dynamic Graphics
DGP
Toy model of general relativity
The Callan–Giddings–Harvey–Strominger (CGHS) model is a toy model of general relativity in 1 spatial and 1 time dimension. It is named after Curtis Callan
CGHS_model
Hypothetical physical concept
the Standard Model of physics, a unification of all forces except gravity. The lone fundamental force not built into the Standard Model is gravity. General
Theory_of_everything
Theory in modern physics that describes gravity as an entropic force
between gravity and entropy. In 2009, Erik Verlinde proposed a conceptual model that describes gravity as an entropic force. He argues (similar to Jacobson's
Entropic_gravity
Attempt to find a consistent theory of quantum gravity
first demonstrated explicitly for the non-linear sigma model and for a variant of the Gross–Neveu model. As for gravity, the first studies concerning this
Asymptotic_safety
Description of gravity using discrete values
that these theories make on how the universe works. General relativity models gravity as curvature of spacetime: in the slogan of John Archibald Wheeler
Quantum_gravity
Theory of gravity
metric formalism, for the model f ( R ) = α R 2 {\displaystyle f(R)=\alpha R^{2}} (also known as pure R 2 {\displaystyle R^{2}} model), the third polarization
F(R)_gravity
Theory extending Einstein gravity
1016/j.physletb.2020.135773. Salvio, Alberto (1 July 2019). "Quasi-Conformal Models and the Early Universe". The European Physical Journal C. 79 (9) 750. arXiv:1907
Quadratic_gravity
Tensor field in Riemannian geometry
dynamical triangulation Asymptotic safety in quantum gravity Causal sets DGP model Rainbow gravity theory Unified-field-theoric Kaluza–Klein theory Supergravity
Riemann_curvature_tensor
Proposed theories of gravity
physics. The many successful, high precision predictions of the standard model of cosmology has led astrophysicists to conclude it and thus general relativity
Alternatives to general relativity
Alternatives_to_general_relativity
Theory of gravitation as curved spacetime
In addition, general relativity has provided the basis for cosmological models of an expanding universe. Widely acknowledged as a theory of extraordinary
General_relativity
Theory of gravity
symmetric case, although they differ somewhat in the disc case needed for modelling spiral or lenticular galaxies. However, the difference is only 10–15%
AQUAL
Restatement of Newton's law of universal gravitation
dynamical triangulation Asymptotic safety in quantum gravity Causal sets DGP model Rainbow gravity theory Unified-field-theoric Kaluza–Klein theory Supergravity
Gauss's_law_for_gravity
Early attempts to explain gravity
such models are no longer regarded as viable theories within the mainstream scientific community because general relativity is now the standard model to
Mechanical explanations of gravitation
Mechanical_explanations_of_gravitation
it is usually said that Lovelock theory resembles string-theory-inspired models of gravity. This is because a quadratic term is present in the low energy
Lovelock_theory_of_gravity
Unified field theory
the Standard Model, SU(3) × SU(2) × U(1). However, an attempt to convert this interesting geometrical construction into a bona-fide model of reality flounders
Kaluza–Klein_theory
Classical theory of gravitation
the black hole cosmology, quantum cosmology, static universe, and cyclic model. Singularity theorems which are premised on and formulated within the setting
Einstein–Cartan_theory
in Lorentz's model, the value for the perihelion advance of Mercury was much too low. Meanwhile, Max Abraham developed an alternative model of gravity in
History of gravitational theory
History_of_gravitational_theory
dynamical triangulation Asymptotic safety in quantum gravity Causal sets DGP model Rainbow gravity theory Unified-field-theoric Kaluza–Klein theory Supergravity
Chasles'_theorem_(gravity)
Concept in physics
dynamical triangulation Asymptotic safety in quantum gravity Causal sets DGP model Rainbow gravity theory Unified-field-theoric Kaluza–Klein theory Supergravity
Nonsymmetric gravitational theory
Nonsymmetric_gravitational_theory
Physics theory
neither a theory nor a model, it is just an idea that, despite more than a decade of work, never developed into a proper model. rainbow gravity has not
Rainbow_gravity_theory
Theory of gravity
dynamical triangulation Asymptotic safety in quantum gravity Causal sets DGP model Rainbow gravity theory Unified-field-theoric Kaluza–Klein theory Supergravity
Degenerate Higher-Order Scalar-Tensor theories
Degenerate_Higher-Order_Scalar-Tensor_theories
Relativistic generalization of Mordehai Milgrom's MOND paradigm
f ( R ) {\displaystyle f(R)} theory, but ruling out a particular TeVeS model predicting E G = 0.22 {\displaystyle E_{G}=0.22} . This estimate should
Tensor–vector–scalar_gravity
Theory of quantum gravity
by the neutron-star merger GW170817 contravene predictions made by this model of gravity. Some have revised the theory to account for this. Hořava originally
Hořava–Lifshitz_gravity
dynamical triangulation Asymptotic safety in quantum gravity Causal sets DGP model Rainbow gravity theory Unified-field-theoric Kaluza–Klein theory Supergravity
Bi-scalar tensor vector gravity
Bi-scalar_tensor_vector_gravity
Gravity theories that are invariant under Weyl transformations
potentials around a gravitational force in this model. By adding a suitable gravitational term to the Standard Model action in curved spacetime, the theory develops
Conformal_gravity
Model of gravity with dilation
physics, Jackiw–Teitelboim gravity, also known as JT gravity or the R=T model, is a theory of gravity with a dilaton in one spatial and one time dimension
Jackiw–Teitelboim_gravity
dynamical triangulation Asymptotic safety in quantum gravity Causal sets DGP model Rainbow gravity theory Unified-field-theoric Kaluza–Klein theory Supergravity
Gravity_filtration
Hypothesis proposing a modification of Newton's laws
which proposed a relativistic model of MOND that is compatible with cosmic microwave background observations; this model requires multiple extra fields
Modified_Newtonian_dynamics
Formulation of general relativity
of theories. Loop quantum cosmology (LQC) is a finite, symmetry reduced model of loop quantum gravity. Problem of time ^ Bergmann, P. (1966). "Hamilton–Jacobi
Canonical_quantum_gravity
Scientific device
dynamical triangulation Asymptotic safety in quantum gravity Causal sets DGP model Rainbow gravity theory Unified-field-theoric Kaluza–Klein theory Supergravity
Air_track
Idea in quantum gravity
allows one to create a theory of gravity with torsion from a world crystal model of spacetime in which the lattice spacing is of the order of a Planck length
Induced_gravity
Conformal anomaly free CGHS model
The Russo–Susskind–Thorlacius model or RST model in short is a modification of the CGHS model to take care of conformal anomalies and render it analytically
RST_model
Approach to quantum gravity utilizing Wick rotations
bath) to the underlying thermal movements of molecules. If we attempt to model the bath volume with the different gradients of temperature we would have
Euclidean_quantum_gravity
Physical theory with matter as quantum fields but gravity as a classical field
dynamical triangulation Asymptotic safety in quantum gravity Causal sets DGP model Rainbow gravity theory Unified-field-theoric Kaluza–Klein theory Supergravity
Semiclassical_gravity
Attempt to describe spacetime and associated phenomena in terms of geometry
broken model. The concepts of geometrodynamics have motivated work to use the Kerr-Newman metric to create a relativistic but non-quantum model for the
Geometrodynamics
1922 theory, now obsolete
argued that different tidal predictions can be obtained by a more realistic model of the galaxy. Reinhardt and Rosenblum claimed that the disproof of Whitehead's
Whitehead's theory of gravitation
Whitehead's_theory_of_gravitation
Theories of higher-dimensional general relativity
physics, including string theory, M-theory, and brane world scenarios. These models are used to explore theoretical aspects of gravity and spacetime in contexts
Higher-dimensional Einstein gravity
Higher-dimensional_Einstein_gravity
Theory in particle physics
n<4} . Universal extra dimensions Kaluza–Klein theory Randall–Sundrum model DGP model For a pedagogical introduction, see Shifman, M. (2010). "Large Extra
Large_extra_dimensions
Theory of quantum gravity merging quantum mechanics and general relativity
is a theory of quantum gravity that incorporates matter of the Standard Model into the framework established for the intrinsic quantum gravity case. It
Loop_quantum_gravity
Modified theory of gravity developed by John Moffat
dynamical triangulation Asymptotic safety in quantum gravity Causal sets DGP model Rainbow gravity theory Unified-field-theoric Kaluza–Klein theory Supergravity
Scalar–tensor–vector_gravity
Class of models of gravitation treating gravitons as composite particles
In theoretical physics, composite gravity refers to models that attempted to derive general relativity in a framework where the graviton is constructed
Composite_gravity
Theory of gravity
nontrivial in 4+1D or greater, and as such, only applies to extra dimensional models. In 3+1D, it reduces to a topological surface term. This follows from the
Gauss–Bonnet_gravity
Nonpertubative field theoretic approach to quantum gravity
particle physics, astrophysics and cosmology, for instance. The Standard Model in combination with asymptotic safety might be valid up to arbitrarily high
Physics applications of asymptotically safe gravity
Physics_applications_of_asymptotically_safe_gravity
Modern theory of gravitation that combines supersymmetry and general relativity
non-gravitational supersymmetric theories such as the Minimal Supersymmetric Standard Model. Supergravity is the gauge theory of local supersymmetry. Since the supersymmetry
Supergravity
Approximation method for general relativity in physics
masses with electric charge, and fluids with anisotropic stresses. A simple model of the Solar System uses only the gravity of the Sun and ignores its rotation
Parameterized post-Newtonian formalism
Parameterized_post-Newtonian_formalism
Proposed theories of gravity
Boulware–Deser ghost nondynamical. Alternatives to general relativity DGP model Scalar–tensor theory Rosen, Nathan (1940), "General Relativity and Flat
Bimetric_gravity
Geometric algebra approach to gravity
dynamical triangulation Asymptotic safety in quantum gravity Causal sets DGP model Rainbow gravity theory Unified-field-theoric Kaluza–Klein theory Supergravity
Gauge_theory_gravity
Proposed theory of gravitation
feature of some theories, such as the weak mixing angle of the Standard Model. Brans–Dicke theory is "less stringent" than general relativity in another
Brans–Dicke_theory
Linear perturbations to solutions of nonlinear Einstein field equations
spacetime. As a consequence, linearized gravity is an effective method for modeling the effects of gravity when the gravitational field is weak. The usage
Linearized_gravity
Aspect of theoretical physics
= 4 supersymmetric Yang–Mills theory and the perturbative topological B model string theory in twistor space. It was initially proposed by Edward Witten
Twistor_string_theory
Predecessor to the theory of relativity
gravitational effects arise from the curvature of the metric. In a spacetime model in Nordström's theory (but not in general relativity), this depends only
Nordström's theory of gravitation
Nordström's_theory_of_gravitation
General relativity in 2+1 dimensions
for a positive one. This theory can be exactly solved, making it a toy model for quantum gravity. In this formulation the action can be written using
(2+1)-dimensional topological gravity
(2+1)-dimensional_topological_gravity
Classical field theory describing gravitation
gravity into a gauge field theory like the other forces in the Standard Model of particle physics. Ryoyu Utiyama established the basis of a gauge theory
Poincaré_gauge_theory
Theory of gravity on antimatter
an error margin of about 20%. Difficulties in creating quantum gravity models have led to the idea that antimatter may react with a slightly different
Gravitational interaction of antimatter
Gravitational_interaction_of_antimatter
Theory of fundamental physics
studies in SVT. An ultimate goal of this research is to develop scientific models that unify quantum mechanics (which describes three of the four known fundamental
Superfluid_vacuum_theory
Hypothetical gravitational particle
dynamical triangulation Asymptotic safety in quantum gravity Causal sets DGP model Rainbow gravity theory Unified-field-theoric Kaluza–Klein theory Supergravity
Pressuron
Models of the universe which deviate from then-current scientific consensus
our universe 5D instead of the 4D of General Relativity. The DGP model is one of the models in this category, claimed to be able to explain dark energy
Non-standard_cosmology
Hypothetical particle
than Brans–Dicke in vacuum in that we have a dilaton potential. CGHS model R = T model Quantum gravity List of hypothetical particles Berman, David S.; Perry
Dilaton
Theory of gravity
parallelism. The first fiber bundle formulation was provided by Cho. This model was later studied by Schweizer et al., Nitsch and Hehl, Meyer;[citation
Teleparallelism
Hypothetical approach to quantum gravity with emergent spacetime
with its spin foam formulations. For example, the Lorentzian Barrett–Crane model is essentially a non-perturbative prescription for computing path integrals
Causal dynamical triangulation
Causal_dynamical_triangulation
Comformal theory of gravity
Hoyle and Jayant Narlikar that originally fits into the quasi steady state model of the universe. The gravitational constant G is arbitrary and is determined
Hoyle–Narlikar theory of gravity
Hoyle–Narlikar_theory_of_gravity
Italian physicist
covariant model of infrared modification of gravity (the so-called DGP model), and studying many novel and subtle features of this class of models. Porrati
Massimo_Porrati
Theory of gravity
S2CID 118419505. Edholm, James (6 February 2017). "UV completion of the Starobinsky model, tensor-to-scalar ratio, and constraints on nonlocality". Physical Review
Infinite_derivative_gravity
Dehnen, H.; Frommert, H. (1991). "Higgs-Field Gravity within the Standard Model". International Journal of Theoretical Physics. 30 (7): 995–998. Bibcode:1991IJTP
Scalar theories of gravitation
Scalar_theories_of_gravitation
Fringe theory of physics
how the combined structure and dynamics of all gravitational and Standard Model particle fields are part of the E8 Lie algebra. The theory is presented
An Exceptionally Simple Theory of Everything
An_Exceptionally_Simple_Theory_of_Everything
Theory of gravity
dynamical triangulation Asymptotic safety in quantum gravity Causal sets DGP model Rainbow gravity theory Unified-field-theoric Kaluza–Klein theory Supergravity
Yilmaz_theory_of_gravitation
High resolution LCD monitors
72, and 41 Hz refresh. This model's internal refresh rate is always 41 Hz. The T221 9503-DG5/DGP(glossy)/DGM(matte) model was the final version, introduced
IBM_T220/T221_LCD_monitors
Director General of Uttrakhand Police
Director General of Police (DGP) of Uttarakhand Police who served from December 2023 until November 2024. He served as acting DGP of the Himalayan state.
Abhinav Kumar (police officer)
Abhinav_Kumar_(police_officer)
For the static mass distribution, the theory then converts to the AQUAL model of gravity with the critical acceleration of a 0 = 4 2 κ c 2 ℓ {\displaystyle
Gauge_vector–tensor_gravity
Indian police officer
Gupta as new DGP of A.P." The Hindu. The Hindu bureau. 6 May 2024. Retrieved 9 May 2024. "Who is Harish Kumar Gupta? Andhra Pradesh's New DGP Officer Appointed
Harish_Kumar_Gupta
Former State Police Chief of Kerala
officer who served as the State Police Chief and Director General of Police (DGP) of Kerala. He assumed charge on 27 June 2023, succeeding Anil Kant, and
Sheikh_Darvesh_Saheb
385–421. doi:10.1016/j.jfineco.2003.05.003. https://stats.stackexchange.com/questions/443320/what-does-a-data-generating-process-dgp-actually-mean v t e
Data_generating_process
Indian Police Service officer
Abhayanand was appointed as DGP Bihar on 25 August 2011. He took charge as the 48th DGP of the state on 31 August 2011. He served as the DGP of Bihar from 2011
Abhayanand
DAMA/NaI DBrn DCOMP DEAP DEEP2 Redshift Survey DELPHI experiment DESY DGLAP DGP model DIDO (nuclear reactor) DIII-D (tokamak) DNA condensation DNG metamaterial
Index_of_physics_articles_(D)
Camera equipment brand
Wireless Flash Transceiver is the winner of Japan's Digital Camera Grand Prix (DGP) Gold Award 2015. "Cactus Laser Trigger - Digital Photo, May 2013" (JPG)
Cactus (camera equipment brand)
Cactus_(camera_equipment_brand)
Bright light which impairs vision
distance from the line of sight of the viewer. The Daylight Glare Probability (DGP) is a measure glare from real daylight condition in side-lit room within
Glare_(vision)
Law enforcement agency of the Indian state of Uttar Pradesh
Pradesh. The Uttar Pradesh Police is headed by the Director General of Police (DGP) for the state of Uttar Pradesh, who is the highest-ranking (DG) IPS officer
Uttar_Pradesh_Police
Law enforcement organisation in and for Punjab, India
started a video conferencing service to redress problems of NRIs. The present DGP of the Punjab Police is Gaurav Yadav. He is an Indian Police Service (IPS)
Punjab_Police_(India)
2026 Indian film by Aditya Dhar
(based on Asif Ali Zardari) Himanshu Gokhani as DGP Sanjay Kumar, Uttar Pradesh Police (based on DGP Prashant Kumar) Akshaye Khanna as Rehman Dakait (archival
Dhurandhar:_The_Revenge
One of the All India Civil Services (IPS)
below those mentioned in the current WoP. Rank insignia of DGP is similar to Additional DGP. The Senior Superintendent of Police (SSP) is a post, not a
Indian_Police_Service
Indian politician (born 1965)
appointment of a separate Chief Secretary and a Director General of Police (DGP) for the Kuki-inhabited areas. She was nominated to the peace panel in June
Nemcha_Kipgen
Military operation in India in the 1980s
months. The operation was commanded by Kanwar Pal Singh Gill, who was the DGP of Punjab. About 300 National Security Guards commandos stormed the Golden
Operation_Black_Thunder
Indian police chief
of 1968 batch. He was Director-General and Inspector-General of Police (DGP) in the state of Andhra Pradesh, India. After a stint with the Indian Army
Noel_Swaranjit_Sen
Model named for the London School of Economics
involves viewing econometric models as reductions from some unknown data generation process (DGP). A complex DGP is typically modelled as the starting point
LSE_approach_to_econometrics
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