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T1  - Euclid : Constraining dark energy coupled to electromagnetism using astrophysical and laboratory data 
SN  -  /  
UR  - http://hdl.handle.net/10138/336706 
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A1  - Euclid Collaboration; Martinelli, M.; Kurki-Suonio, H. 
A2  -  
PB  -  
Y1  - 2021 
LA  - eng 
AB  - In physically realistic, scalar-field-based dynamical dark energy models (including, e.g., quintessence), one naturally expects the scalar field to couple to the rest of the model's degrees of freedom. In particular, a coupling to the electromagnetic sector leads to a time (redshift) dependence in the fine-structure constant and a violation of the weak equivalence principle. Here we extend the previous Euclid forecast constraints on dark energy models to this enlarged (but physically more realis... 
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KW  - 114 Physical sciences; 115 Astronomy, Space science 
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