J-PAS: forecasts for dark matter-dark energy elastic couplings
We consider a cosmological model where dark matter and dark energy feature a coupling that only affects their momentum transfer in the corresponding Euler equations. We perform a fit to cosmological observables and confirm previous findings within these scenarios that favour the presence of a coupli...
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| Veröffentlicht in: | Journal of cosmology and astroparticle physics 2021-07, Vol.2021 (7), p.22, Article 022 |
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| creator | Figueruelo, David Aparicio Resco, Miguel Teppa Pannia, Florencia A. Beltrán Jiménez, Jose Bettoni, Dario Maroto, Antonio L. Abramo, L. Raul Alcaniz, Jailson Benitez, Narciso Bonoli, Silvia Carneiro, Saulo Cenarro, Javier Cristóbal-Hornillos, David Dupke, Renato A. Ederoclite, Alessandro López-Sanjuan, Carlos Marín-Franch, Antonio Marra, Valerio Mendes de Oliveira, Claudia Moles, Mariano Sodré , Laerte Taylor, Keith Varela, Jesús Vázquez Ramió, Héctor |
| description | We consider a cosmological model where dark matter and dark energy feature a coupling that only affects their momentum transfer in the corresponding Euler equations. We perform a fit to cosmological observables and confirm previous findings within these scenarios that favour the presence of a coupling at more than 3a. This improvement is mainly driven by cluster counts from Planck Sunyaev-Zeldovich data that we include as a certain prior. We subsequently perform a forecast for future J-PAS data and find that clustering measurements will permit to clearly discern the presence of an interaction within a few percent level with the uncoupled case at more than 10o(-) when the complete survey, covering 8500 sq. deg., is considered. We found that the inclusion of weak lensing measurements will not help to further constrain the coupling parameter. For completeness, we compare to forecasts for DESI and Euclid, which provide similar discriminating power. |
| doi_str_mv | 10.1088/1475-7516/2021/07/022 |
| format | Article |
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Raul ; Alcaniz, Jailson ; Benitez, Narciso ; Bonoli, Silvia ; Carneiro, Saulo ; Cenarro, Javier ; Cristóbal-Hornillos, David ; Dupke, Renato A. ; Ederoclite, Alessandro ; López-Sanjuan, Carlos ; Marín-Franch, Antonio ; Marra, Valerio ; Mendes de Oliveira, Claudia ; Moles, Mariano ; Sodré , Laerte ; Taylor, Keith ; Varela, Jesús ; Vázquez Ramió, Héctor</creator><creatorcontrib>Figueruelo, David ; Aparicio Resco, Miguel ; Teppa Pannia, Florencia A. ; Beltrán Jiménez, Jose ; Bettoni, Dario ; Maroto, Antonio L. ; Abramo, L. Raul ; Alcaniz, Jailson ; Benitez, Narciso ; Bonoli, Silvia ; Carneiro, Saulo ; Cenarro, Javier ; Cristóbal-Hornillos, David ; Dupke, Renato A. ; Ederoclite, Alessandro ; López-Sanjuan, Carlos ; Marín-Franch, Antonio ; Marra, Valerio ; Mendes de Oliveira, Claudia ; Moles, Mariano ; Sodré , Laerte ; Taylor, Keith ; Varela, Jesús ; Vázquez Ramió, Héctor</creatorcontrib><description>We consider a cosmological model where dark matter and dark energy feature a coupling that only affects their momentum transfer in the corresponding Euler equations. We perform a fit to cosmological observables and confirm previous findings within these scenarios that favour the presence of a coupling at more than 3a. This improvement is mainly driven by cluster counts from Planck Sunyaev-Zeldovich data that we include as a certain prior. We subsequently perform a forecast for future J-PAS data and find that clustering measurements will permit to clearly discern the presence of an interaction within a few percent level with the uncoupled case at more than 10o(-) when the complete survey, covering 8500 sq. deg., is considered. We found that the inclusion of weak lensing measurements will not help to further constrain the coupling parameter. 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Raul</creatorcontrib><creatorcontrib>Alcaniz, Jailson</creatorcontrib><creatorcontrib>Benitez, Narciso</creatorcontrib><creatorcontrib>Bonoli, Silvia</creatorcontrib><creatorcontrib>Carneiro, Saulo</creatorcontrib><creatorcontrib>Cenarro, Javier</creatorcontrib><creatorcontrib>Cristóbal-Hornillos, David</creatorcontrib><creatorcontrib>Dupke, Renato A.</creatorcontrib><creatorcontrib>Ederoclite, Alessandro</creatorcontrib><creatorcontrib>López-Sanjuan, Carlos</creatorcontrib><creatorcontrib>Marín-Franch, Antonio</creatorcontrib><creatorcontrib>Marra, Valerio</creatorcontrib><creatorcontrib>Mendes de Oliveira, Claudia</creatorcontrib><creatorcontrib>Moles, Mariano</creatorcontrib><creatorcontrib>Sodré , Laerte</creatorcontrib><creatorcontrib>Taylor, Keith</creatorcontrib><creatorcontrib>Varela, Jesús</creatorcontrib><creatorcontrib>Vázquez Ramió, Héctor</creatorcontrib><title>J-PAS: forecasts for dark matter-dark energy elastic couplings</title><title>Journal of cosmology and astroparticle physics</title><addtitle>J COSMOL ASTROPART P</addtitle><addtitle>J. Cosmol. Astropart. Phys</addtitle><description>We consider a cosmological model where dark matter and dark energy feature a coupling that only affects their momentum transfer in the corresponding Euler equations. We perform a fit to cosmological observables and confirm previous findings within these scenarios that favour the presence of a coupling at more than 3a. This improvement is mainly driven by cluster counts from Planck Sunyaev-Zeldovich data that we include as a certain prior. We subsequently perform a forecast for future J-PAS data and find that clustering measurements will permit to clearly discern the presence of an interaction within a few percent level with the uncoupled case at more than 10o(-) when the complete survey, covering 8500 sq. deg., is considered. We found that the inclusion of weak lensing measurements will not help to further constrain the coupling parameter. 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| subjects | Astronomical models Astronomy & Astrophysics Clustering Cosmology Couplings Dark energy dark energy theory Dark matter dark matter theory Euler-Lagrange equation Momentum transfer Physical Sciences Physics Physics, Particles & Fields Science & Technology Sunyaev-Zeldovich effect |
| title | J-PAS: forecasts for dark matter-dark energy elastic couplings |
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