5,335,365 Hits in 4.8 sec

Parametrizing and constraining scalar corrections to general relativity

Leo C. Stein, Kent Yagi
2014 Physical Review D  
correction to the action, and parametrizing the scalar hair (multipole structure) that compact objects and black holes attain.  ...  We parametrize a large class of corrections to general relativity which include a long-ranged gravitational scalar field as a dynamical degree of freedom in two ways: parametrizing the structure of the  ...  In EDGB, correction 3 (scalar energy loss) dominates, giving a −1 pN correction relative to GR [11] , while in dCS all the correction terms contribute at the same order, +2 pN relative to GR [12, 27]  ... 
doi:10.1103/physrevd.89.044026 fatcat:ca5nzgmwxrb5zmipz6aehp2kvi

"Relative Effects of Play and Gymnastics": Correction

Constance T. Dowd, Ada Hart Arlitt
1926 Journal of Applied Psychology  
In order to correct this we are re- printing Table 1 of the article by Miss Constance T. Dowd and Dr. Ada Hart Arlitt on ‘‘Relative Effects of Play and Gymnastics.”  ...  A CORRECTION Attention of subscribers and readers of the JouRNAL or APPLIED PsycHo.oey is called to a regrettable and serious error made in the September issue for 1925, page 222.  ... 
doi:10.1037/h0068672 fatcat:ng2qeu6novalvidupylv6nsaba

Galaxy rotation curves from general relativity with renormalization group corrections

Davi C Rodrigues, Patricio S Letelier, Ilya L Shapiro
2010 Journal of Cosmology and Astroparticle Physics  
We consider the application of quantum corrections computed using renormalization group arguments in the astrophysical domain and show that, for the most natural interpretation of the renormalization group  ...  At face value, the model based on quantum corrections clearly leads to better fits than these two alternative theories.  ...  Erwin de Blok and Dr. Gianfranco Gentile for providing data on their samples of galaxies. DCR and PSL thank Dr. Christiane F. Martins for useful comments on galaxy rotation curves.  ... 
doi:10.1088/1475-7516/2010/04/020 fatcat:7t5xauot45agngjuhb3u32xkfi

Invariant space-time intervals, clock synchronisation and correct application of Lorentz transformations in special relativity [article]

2008 arXiv   pre-print
It is shown how the spurious predictions of length contraction and relativity of simultaneity arise from the use of inconsistent synchronisation procedures for spatially separated clocks.  ...  Space-like and time-like invariant space-time intervals are used to analyse measurements of spatial and temporal distances.  ...  Acknowledgements I would like to acknowledge discussions with B.Echenard, and correspondence with M.Grünewald, Y.Keilman and D.Utterback, concerning an earlier version of this paper.  ... 
arXiv:physics/0601131v4 fatcat:wrnmurz7ufe7thnd6k7vltiide

Correction to: The rotation problem

R. Michael Jones
2020 General Relativity and Gravitation  
Table 4 Possible approximate values of C I from (110) and C II from (115) in "Appendix G" The parameter is defined in (22). The parameters 1 , 2 , and 3 are defined in (4).  ...  The constant of integration 4 is defined in (78), and its most probable value is zero.  ... 
doi:10.1007/s10714-020-02711-0 fatcat:ufgcbutah5bdbcksjpzkdomgae

The Redshift Periodicity of Galaxies as a Probe of the Correctness of General Relativity

Valerio Faraoni
1997 General Relativity and Gravitation  
Recent theoretical work determines the correct coupling constant of a scalar field to the Ricci curvature of spacetime in general relativity.  ...  As a result, these observations contain important information on the problem whether general relativity is the correct theory of gravity in the region of the universe at redshifts z<0.5.  ...  Pritchet and R. De Propris for stimulating discussions, and a referee for suggestions leading to improvements in the manuscript.  ... 
doi:10.1023/a:1010248313712 fatcat:bvha75ti7jcjvolubmeo3khi2a

Brane World Corrections to Newton's Law

K. A. Bronnikov, S. A. Kononogov, V. N. Melnikov
2006 General Relativity and Gravitation  
After a brief general exposition, we review in more detail the predicted corrections to Newton's law of gravity in diverse brane world models.  ...  We consider various configurations in 5 dimensions (flat, de Sitter and AdS branes in Einstein and Einstein-Gauss-Bonnet theories, with and without induced gravity and possible incomplete graviton localization  ...  [6] , also predict Newton's law violations and the values of post-Newtonian parameters other than in general relativity.  ... 
doi:10.1007/s10714-006-0300-7 fatcat:syq5ophqs5dj3dhlymarufl7sa

Logarithmic corrections in black hole entropy product formula

Parthapratim Pradhan
2016 General Relativity and Gravitation  
It has been examined by giving some specific examples for non-rotating and rotating black hole.  ...  It has been shown by explicit and exact calculation that whenever we have taken the effects of stable thermal fluctuations the entropy product formula should not be mass-independent nor does it quantized  ...  Introduction There has recently been some ongoing intense interest in the thermodynamic product formula both in the general relativity community [1, 2] and in the String/M-theory community [3, 4] to  ... 
doi:10.1007/s10714-016-2084-8 fatcat:g364ujgmefagvnxzrofdya7dvi

Power-Law entropy corrected holographic dark energy model

Ahmad Sheykhi, Mubasher Jamil
2011 General Relativity and Gravitation  
Indeed, the power-law corrections to entropy appear in dealing with the entanglement of quantum fields in and out the horizon.  ...  We investigate the cosmological implications of this model and calculate some relevant cosmological parameters and their evolution.  ...  Wei and B. Wang for helpful discussions. This work has been supported by Research Institute for Astronomy and Astrophysics of Maragha, Iran.  ... 
doi:10.1007/s10714-011-1190-x fatcat:65ghqtb7wbfvvd36b5gpwk4pc4

Relative Dispersion in Fully Developed Turbulence: The Richardson's Law and Intermittency Corrections

G. Boffetta, I. M. Sokolov
2002 Physical Review Letters  
Relative dispersion in fully developed turbulence is investigated by means of direct numerical simulations.  ...  Ott and J. Mann J. Fluid Mech. 422, 207 (2000)]. By means of exit-time statistics it is shown that the deviations from Richardson's law are a consequence of Eulerian intermittency.  ...  The improvement with respect to Fig. 3 demonstrates that the exponents in (7) are corrected in comparison to dimensional prediction.  ... 
doi:10.1103/physrevlett.88.094501 pmid:11864014 fatcat:xk7cpktpobha7kiv45jjeazfm4

Relativity, Doppler shifts, and retarded times in deriving the correction for the finite speed of light: a comment on 'Second-order Doppler-shift corrections in free-fall absolute gravimeters' [article]

V D Nagornyi, Y M Zanimonskiy, Y Y Zanimonskiy
2011 arXiv   pre-print
In the article (Rothleitner and Francis 2011 Metrologia 48 187-195) the correction due to the finite speed of light in absolute gravimeters is analyzed from the viewpoint of special relativity.  ...  In our comments we discuss these and other problems we found with the suggested treatment of the correction.  ...  of special relativity, if ever applicable, to absolute gravimeters.  ... 
arXiv:1105.0617v3 fatcat:74g33xied5dzbkvyqy2ouxnxgy

Relative Entropy in 2D Quantum Field Theory, Finite-Size Corrections, and Irreversibility of the Renormalization Group

José Gaite
1998 Physical Review Letters  
The relation of thermodynamic quantities with the complex components of the stress tensor is also established and hence the entropic c theorems are proposed as analogues of Zamolodchikov's c theorem for  ...  In the cylinder geometry, interpreted as finite-temperature field theory, one can define from the relative entropy a monotonic quantity similar to Zamolodchikov's c function.  ...  Relative Entropy in 2D Quantum Field Theory, Finite-Size Corrections, and Irreversibility of the Renormalization Group The relative entropy in two-dimensional field theory is studied for its application  ... 
doi:10.1103/physrevlett.81.3587 fatcat:vczrzccn3fhrhdllrnsiomluci

Curvature corrections and Kac–Moody compatibility conditions

Thibault Damour, Amihay Hanany, Marc Henneaux, Axel Kleinschmidt, Hermann Nicolai
2006 General Relativity and Gravitation  
We then heuristically explore the extent to which this remark can be generalized to all over-extended algebras by determining which curvature corrections are compatible with their weight structure, and  ...  by comparing these curvature terms with known results on the quantum corrections for the corresponding gravitational theories.  ...  The first correction terms compatible with this weight pattern are R 3 (tree) and R 5 (tree and one-loop).  ... 
doi:10.1007/s10714-006-0317-y fatcat:abshrg4v25g7dpd6m2yj5jrmfa

Cosmic accelerated expansion and the entropy-corrected holographic dark energy

H. Mohseni Sadjadi, Mubasher Jamil
2011 General Relativity and Gravitation  
By considering the logarithmic correction to the energy density, we study the behavior of Hubble parameter in the holographic dark energy model.  ...  We assume that the universe is dominated by interacting dark energy and matter and the accelerated expansion of the universe, which may be occurred in the early universe or late time, is studied.  ...  ThenḢ > 0 and the correction terms will become relevant at late time.  ... 
doi:10.1007/s10714-011-1155-0 fatcat:25axbno2crdlvg3aswoxfp4o7m

Leading-order corrections to charged rotating AdS black holes thermodynamics

Sudhaker Upadhyay
2018 General Relativity and Gravitation  
In this paper, we consider a charged rotating AdS black holes in four dimensions and study the effects of leading-order thermal corrections on the thermodynamics of such system explicitly.  ...  The holographic duality between the charged rotating AdS black holes and Van der Waals fluid is also emphasized through the P-v diagram.  ...  Φ denote the horizon angular velocity measured relative to a frame that is nonrotating at infinity, angular momentum, the physical mass (or energy) and the electric potential measured at infinity with  ... 
doi:10.1007/s10714-018-2459-0 fatcat:ujnudkyduvdj5ojdydpkmsz6ca
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