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Cosmography and Large Scale Structure by f(R)-Gravity : New Results
Joint Authors
Salzano, Vincenzo
Capozziello, Salvatore
Source
Issue
Vol. 2009, Issue 2009 (31 Dec. 2009), pp.1-34, 34 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2010-03-25
Country of Publication
Egypt
No. of Pages
34
Main Subjects
Abstract EN
The so-called f(R)-gravity has recently attracted a lot of interest since it could be, in principle, able to explain the accelerated expansion of the Universe without adding unknown forms of dark energy/dark matter but, more simply, extending the General Relativity by generic functions of the Ricci scalar.
However, apart several phenomenological models, there is no final f(R)-theory capable of fitting all the observations and addressing all the issues related to the presence of dark energy and dark matter.
An alternative approach could be to “reconstruct” the form of f(R) starting from data without imposing particular classes of model.
Besides, adopting the same philosophy, we take into account the possibility that galaxy cluster masses, estimated at X-ray wavelengths, could be explained, without dark matter, reconstructing the weak-field limit of analytic f(R) models.
The corrected gravitational potential, obtained in this approximation, is used to estimate the total mass of a sample of 12 well-shaped clusters of galaxies.
American Psychological Association (APA)
Capozziello, Salvatore& Salzano, Vincenzo. 2010. Cosmography and Large Scale Structure by f(R)-Gravity : New Results. Advances in Astronomy،Vol. 2009, no. 2009, pp.1-34.
https://search.emarefa.net/detail/BIM-455398
Modern Language Association (MLA)
Capozziello, Salvatore& Salzano, Vincenzo. Cosmography and Large Scale Structure by f(R)-Gravity : New Results. Advances in Astronomy No. 2009 (2009), pp.1-34.
https://search.emarefa.net/detail/BIM-455398
American Medical Association (AMA)
Capozziello, Salvatore& Salzano, Vincenzo. Cosmography and Large Scale Structure by f(R)-Gravity : New Results. Advances in Astronomy. 2010. Vol. 2009, no. 2009, pp.1-34.
https://search.emarefa.net/detail/BIM-455398
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-455398