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We consider a quintessence model with Yukawa interaction between dark energyand dark matter and constrain this model by employing the recent cosmologicaldata including the updated cosmic microwave background (CMB) measurements fromPlanck 2015, the weak gravitational lensing measurements from Kilo DegreeSurvey (KiDS) and redshift-space distortions. We find that an interaction inthe dark sector is compatible with observations. The updated Planck data cansignificantly improve the constraints compared with the previous results fromPlanck 2013, while the KiDS data has less constraining power than Planck. TheYukawa interaction model is found to be moderately favored by Planck and ableto alleviate the discordance between weak lensing measurements and CMBmeasurements as previously inferred from the standard Lambda cold dark mattermodel. N-body simulations for Yukawa interaction model is also performed. Wefind that using the halo density profile is plausible to improve theconstraints significantly in the future.

Testing a quintessence model with Yukawa interaction from cosmological observations and N-body simulations