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Biases on cosmological parameters by general relativity effects
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Biases on cosmological parameters by general relativity effects
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| dc.contributor.author | López Honórez, Laura | |
| dc.contributor.author | Mena Requejo, Olga | |
| dc.contributor.author | Rigolin, Stefano | |
| dc.date.accessioned | 2014-07-24T10:55:07Z | |
| dc.date.available | 2014-07-24T10:55:07Z | |
| dc.date.issued | 2012 | |
| dc.identifier.citation | Lopez-Honorez, L. Mena Requejo, Olga Rigolin, Stefano 2012 Biases on cosmological parameters by general relativity effects Physical Review D 85 2 023511 | |
| dc.identifier.uri | http://hdl.handle.net/10550/37304 | |
| dc.description.abstract | General relativistic corrections to the galaxy power spectrum appearing at the horizon scale, if neglected, may induce biases on the measured values of the cosmological parameters. In this paper, we study the impact of general relativistic effects on non standard cosmologies such as scenarios with a time dependent dark energy equation of state, with a coupling between the dark energy and the dark matter fluids or with non-Gaussianities. We then explore whether general relativistic corrections affect future constraints on cosmological parameters in the case of a constant dark energy equation of state and of non-Gaussianities. We find that relativistic corrections on the power spectrum are not expected to affect the foreseen errors on the cosmological parameters nor to induce large biases on them. | |
| dc.language.iso | eng | |
| dc.relation.ispartof | Physical Review D, 2012, vol. 85, num. 2, p. 023511 | |
| dc.subject | Física | |
| dc.title | Biases on cosmological parameters by general relativity effects | |
| dc.type | journal article | es_ES |
| dc.date.updated | 2014-07-24T10:55:07Z | |
| dc.identifier.doi | 10.1103/PhysRevD.85.023511 | |
| dc.identifier.idgrec | 084361 | |
| dc.rights.accessRights | open access | es_ES |
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