Theoretical aspects of massive gravity

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August undefined, 2024

Webb18 maj 2011 · Theoretical Aspects of Massive Gravity Authors: Kurt Hinterbichler Abstract Massive gravity has seen a resurgence of interest due to recent progress which has … Webb22 juli 2024 · As observed in Figure 5, the numerical results from the present cases agree well with the theoretical results from all of the cases simulated under different gravity fields. However, upon close examination of the wave crest, the wave traveling distance and the trailing oscillatory waves, some discrepancies are detected between the numerical …

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WebbTheoretical Aspects of Massive Gravity Kurt Hinterbichlera;1 a Center for Particle Cosmology, Department of Physics and Astronomy, University of Pennsylvania, 209 … Webb(AG) at the Geometric Foundations of Gravity conference in Tartu in August 2024. 1 Introduction As is well known [1, 2, 3], ghost-free models of massive gravity were … dataframe object has no attribute set_value

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Webb16 nov. 2024 · A Note on the Uniqueness of the dRGT Massive Gravity Theory. The D = 3 Case Máximo Bañados Gravitation and Cosmology 24 , 321–330 ( 2024) Cite this article 36 Accesses 1 Altmetric Metrics Abstract We revisit the problem of gravity coupled to a background metric ημν, looking for ghost-free interactions. WebbIn theoretical physics, massive gravity is a theory of gravity that modifies general relativity by endowing the graviton with a nonzero mass. In the classical theory, this means that … Webb13 sep. 2004 · We briefly discuss what kind of cosmology can one expect in massive gravity and argue that the allowed values of the graviton mass may be quite large, … dataframe object has no attribute tail

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Massive gravity solution of black holes and entropy bounds

WebbRegular Article - Theoretical Physics Holographic aspects of a higher curvature massive gravity Shahrokh Parvizi1,a, Mehdi Sadeghi2,b 1 Department of Physics, School of Sciences, Tarbiat Modares University, P.O. Box 14155-4838, Tehran, ... WebbIn metric formalism, the simplest four-dimensional action in f ( R ) gravity is: A = c 4 16 π G ∫ d 4 x - g f ( R ) + L matter. (1) where g is the determinant of the metric g μ ν , and L matter is the standard perfect fluid matter Lagrangian. Varying the action Equation ( 1) with respect to the metric tensor, we obtain the field equations ... dataframe object has no attribute strftimeWebb18 maj 2011 · Theoretical Aspects of Massive Gravity. Kurt Hinterbichler. Massive gravity has seen a resurgence of interest due to recent progress which has overcome its … bit of company attire crossword

"WebbTheoretical Aspects of Massive Gravity Kurt Hinterbichlera, 1 a Center for Particle Cosmology, Department of Physics and Astronomy, University of Pennsylvania, 209 South 33rd Street, Philadelphia, PA 19104, USA arXiv:1105.3735v2 [hep-th] 2 Oct 2011 Abstract Massive gravity has seen a resurgence of interest due to recent progress which " - Theoretical aspects of massive gravity

Theoretical aspects of massive gravity

Beyond Positivity Bounds and the Fate of Massive Gravity

WebbWe describe the freedom of choosing a square root in massive gravity from algebraic point of view. This contribution is based on the talk given by one of us (AG) ... Hinterbichler, Theoretical aspects of massive gravity, Rev. Mod. Phys. 84 (2012) 671–710. Crossref, ... WebbIn this work, we shortly review the role and properties of hyperons in finite and infinite nuclear systems such as hypernuclei and neutron stars. Particularly, we describe different production mechanisms of hypernuclei, discuss some aspects of their γ-ray spectroscopy and their weak decay modes, and give a few strokes on their theoretical description. We …

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WebbThese are usually referred to as massive gravity, ... Edvard Mörtsell develops phenomenological aspects, and subsequent observational tests, ... He has worked extensively on theoretical problems involving black holes, including the black hole information paradox. His past work also includes boundary conformal field theory, ... Webb27 maj 2013 · All theoretical MDA relations comprise one free parameter of the dimension of an acceleration, Milgrom's constant a_M. I find that the "simple mu" function provides a good fit to the data free of...

Webb13 okt. 2024 · In the context of massive gravity theories, we study holographic flows driven by a relevant scalar operator and interpolating between a UV 3-dimensional CFT and a … WebbThis thesis is dedicated to the study of theories of massive gravity. The formulation of higher spin gauge field theories, along with a Chern-Simons (CS) like term for fields of higher spins is presented. Through this setup, general features of theories describing massless/massive fields of higher spin in arbitrary dimensions is discussed. In 2+1 …

Webb18 maj 2011 · Massive gravity has seen a resurgence of interest due to recent progress which has overcome its traditional problems, yielding an avenue for addressing … Webb1 jan. 2011 · The present thesis explores the theoretical and phenomenological aspects of theories of massive gravity in three and four spacetime dimensions. We start with investigating cosmology of a...

WebbAbstract: General relativity describes gravity in terms of an interacting massless spin-2 field—the graviton. This 100-year-old theory has been spectacularly successful in explaining observations. However, theoretical exploration and the cosmological constant problem motivate the study of alternative theories of gravity.

Webbför 2 dagar sedan · The recent analysis suggests that the dark matter was lumpy enough to fit with the standard model of cosmology, which relies on Einstein’s theory of gravity. Eric Baxter, an astronomer at the ... bit of colour crossword clueWebbTheoretical Aspects of Massive Gravity Kurt Hinterbichlera;1 a Center for Particle Cosmology, Department of Physics and Astronomy, University of Pennsylvania, 209 … dataframe object has no attribute isnullWebbof massive gravity emerge from a higher-dimensional theory of general relativity, leading to the Dvali–Gabadadze–Porrati model (DGP), cascading gravity, and ghost-free massive gravity. We then explore their theoretical and phenomenological consistency, proving the absence of ... III Phenomenological Aspects of Ghost-free Massive Gravity 118 bit of company attire crossword clueWebb1 okt. 2024 · In contrast to the standard theory of mass-varying massive gravity where the graviton mass asymptotically approaches zero at late times, hence making the contribution of massive gravity to the late-time cosmic expansion minimum, the MTMVMG can provide good descriptions both in the massless and massive sectors. dataframe object has no attribute str 意味Webb12 apr. 2024 · In this paper, we review and connect the three essential conditions needed by the collapse model to achieve a complete and exact formulation, namely the theoretical, the experimental, and the ontological ones. These features correspond to the three parts of the paper. In any empirical science, the first two features are obviously connected but, as … bit of comedyWebb17 apr. 2024 · We constrain effective field theories by going beyond the familiar positivity bounds that follow from unitarity, analyticity, and crossing symmetry of the scattering amplitudes. As interesting... bit of coinWebb7 apr. 2024 · 13 April 2024 Astronomy Now. The original Event Horizon Telescope image of the supermassive black hole at the heart of galaxy M87 (left) was the first to capture the shadow of a black hole’s event horizon. Researchers have reconstructed that image using machine learning to sharpen details (right). dataframe object has no attribute withcolumn