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Paper IPM / Astronomy / 17439  


Abstract:  
In this paper, we introduce the postMinkowskian approximation of EnergyMomentumSquared Gravity (EMSG). This approximation is used to study the gravitational energy flux in the context of EMSG. As an application of our results, we investigate the EMSG effect on the first time derivative of the orbital period of the binary pulsars. Utilizing this postKeplerian parameter, the free parameter of the EMSG theory, fÃ¢?Â²0, is estimated for six known binary pulsars. Taking the binaries that have the most accurate observations, it turns out that Ã¢??6Ã?10Ã¢??37ms2kgÃ¢??1 Download TeX format 

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